CN105043884B - Pipe gallery tube coupling load carrying capacity test device and application method - Google Patents
Pipe gallery tube coupling load carrying capacity test device and application method Download PDFInfo
- Publication number
- CN105043884B CN105043884B CN201510528952.5A CN201510528952A CN105043884B CN 105043884 B CN105043884 B CN 105043884B CN 201510528952 A CN201510528952 A CN 201510528952A CN 105043884 B CN105043884 B CN 105043884B
- Authority
- CN
- China
- Prior art keywords
- tube coupling
- pipe gallery
- gallery tube
- vertical
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of pipe gallery tube coupling load carrying capacity test device and application method,It is related to a kind of device and application method for Urban Underground pipe gallery tube coupling load carrying capacity test,The structure of the experimental rig is mainly by pipe gallery tube coupling,Test stand,Vertical bearing plate,Vertical jack,Vertical chute,Land plate,Level jack and horizontal concrete chute etc. are formed,It can carry out vertical load experiment and the horizontal loading test of pipe gallery tube coupling simultaneously,And hydraulic test load can be rationally,Dummy level soil pressure exactly,Meet the actual loading situation of pipe gallery tube coupling,Improve the accuracy of pipe gallery tube coupling load carrying capacity test detection,Ensure the reasonable proper use of and structure safety of pipe gallery tube coupling,The assembling and use of experimental rig can be preferably completed in conjunction with corresponding application method,Therefore there is simple structure,It is easy to use,Method is reasonable,The advantages that data are reliable,With higher economic benefit and social benefit.
Description
Technical field
The present invention relates to a kind of Urban Underground pipe gallery tube coupling load carrying capacity test field, it is comprehensive to refer in particular to Urban Underground
Close piping lane tube coupling load carrying capacity test device and application method.
Background technology
China's Urban Underground has nearly 30 kinds points of the major class pipeline of feedwater, heating power, combustion gas, electric power, telecommunications, rainwater, sewage etc. seven
Belong to different division managements, the accurate pipeline layout figure of State-level neither one or database, cause unit construction to be done things in his own way,
There is pipeline " fighting " unavoidably, the problems such as road excavates repeatedly.Recently, country starts to pay attention to and builds Urban Underground synthesis comprehensively
Piping lane construction, will all pipelines concentrate in underground pipe gallery body, Daily Round Check and Maintain etc. is all by the well that comes in and goes out in underground
Complete, so as to effectively solve " road slide fastener " problem, and piping erosion and quake evaluation can be resisted, pipeline performance is also safer
It is stable.Therefore, underground pipe gallery construction will change the situation of urban construction in the past " on important place, lightly under ", indicate China
The transformation of urban construction and development mode, " the underground utilities revolution " of China is opened, and will be to urban development, economic growth, hundred
Surname life etc. is all many-sided to produce far-reaching and active influence.
At present, the more advanced construction mode of Urban Underground pipe gallery is the pipe gallery tube coupling of prefabricated standard, assembling
The non-standard structure cast-in-place construction such as formula installation and pipeline outlet, ventilating opening, dog-house.Pipe gallery tube coupling category importantly descends work
Journey, structure stress is complicated, therefore all needs to do bearingtest before embedding underground, to ensure construction quality.Existing pipe gallery
Tube coupling load test method can be summarized as two classes：First, merely do vertical bearing capacity experiment；Second, done in laboratory it is vertical and
Horizontal bearing capacity is tested, but horizontal bearing capacity experiment is without the actual loading situation of reasonably analog synthesis piping lane tube coupling.It is above-mentioned
The defects of two class test methods, have impact on the accuracy of pipe gallery tube coupling load carrying capacity test detection to a certain extent, enter
And cause the reasonable employment and structure safety of pipe gallery tube coupling.
The content of the invention
The defects of it is an object of the invention to overcome prior art and a kind of simple structure is provided, easy to use, method is closed
Reason, the reliable pipe gallery tube coupling load carrying capacity test device of data and application method.
The technical problem of the present invention is achieved through the following technical solutions：
A kind of pipe gallery tube coupling load carrying capacity test device, including test stand and the pipe gallery that is placed in test stand
Tube coupling, described pipe gallery tube coupling top are provided with vertical bearing plate, installed between vertical bearing plate and test stand inner top surface
Multiple vertical jack, the plurality of vertical jack promotes vertical bearing plate for vertical movement jointly, and drives vertical bearing plate
Apply vertical test load in the top surface of pipe gallery tube coupling or depart from the top surface of pipe gallery tube coupling and unload and exit experiment；Institute
The pipe gallery tube coupling both sides stated are respectively equipped with land plate, pacify between every block of land plate and test stand medial surface
Multiple level jacks are filled, the plurality of level jack promotes land plate to move horizontally jointly, and drives land
Plate applies hydraulic test load in the side of pipe gallery tube coupling or departs from the side of pipe gallery tube coupling and unload and exit experiment；
Between the top surface of described vertical bearing plate and pipe gallery tube coupling, between the side of land plate and pipe gallery tube coupling,
Geotextiles are equipped between the bottom surface of pipe gallery tube coupling and the inner bottom surface of test stand.
Described pipe gallery tube coupling load carrying capacity test device has two vertical test loadsValue andIndividual level
Finder charge~Value；
Two described vertical test loadsValue and two vertical test loadsThe distance between valueWith away from
FromDetermined by design,For left vertical finder chargeIt is worth to the distance of pipe gallery tube coupling dividing plate center line,For Right vertical finder chargeIt is worth to the distance of pipe gallery tube coupling dividing plate center line；
DescribedIndividual hydraulic test load~Value, whereinIt is described for positive integerIndividual hydraulic test lotus
Load is determined by the equivalent method of pipe gallery tube coupling buried depth soil pressure, when the embedding place's horizontal earth pressure of pipe gallery tube coupling
It is along the Distribution Value curve of depth,；By pipe gallery tube coupling top surface to bottom surface
Total height is divided intoSection, every section of height calculate since pipe gallery tube coupling top surface, then each section of horizontal earth pressure makes a concerted effort to be worthIt is equivalent to be used as finder charge~Value,For 1~In any one positive integer value, correspondinglyThe horizontal soil of section
Pressure resultant force application point is highly,For 1~Middle correspondence~One positive integer value of value, hydraulic test load~Value also needs to meet that formula is calculated as below：
Formula one,
Formula two,
In formula,
--- pipe gallery tube coupling is embedded in~I.e.~It is deep
In degreeSection horizontal earth pressure makes a concerted effort to be worth（）,For 1~In any one positive integer value；
--- pipe gallery tube couplingSection horizontal earth pressure make a concerted effort be worth application point to pipe gallery tube coupling top surface it
Between distance（）,For 1~Middle correspondenceA positive integer value；
--- the distance between earth's surface or road surface top surface to pipe gallery tube coupling top surface（）；
--- the total height of pipe gallery tube coupling top surface to bottom surface（）；
--- the distance of earth's surface or road surface top surface to the embedding place of piping lane tube coupling along change in depth（）, span is~Between；
--- the hop count of pipe gallery tube coupling top surface to bottom surface total height decile；
--- the unit weight of the embedding place's soil of pipe gallery tube coupling（）；
--- the embedding place's earth lateral pressure coefficient of pipe gallery tube coupling（Dimensionless）,Value except with soil strength variation and close
Degree has outside the Pass, also relevant with resistance to shear of soil history, and is determined according to actual soil body situation；
--- Distribution Value curve of the embedding place's horizontal earth pressure of pipe gallery tube coupling along depth,
It is relevant with the stress at the embedding place of pipe gallery tube coupling；
It is calculated by more thanValue,For 1~In any one positive integer value, be used as every section of pipe gallery tube coupling
Hydraulic test load~Value, distribution curve of the embedding place's horizontal earth pressure of analog synthesis piping lane tube coupling along depth, the actual loading of general every section of 50~100cm of height energy of pipe gallery tube coupling preferably analog synthesis piping lane tube coupling
Situation；Require that the compression rigidity of vertical bearing plate and land plate is firm less than the Vertical Compression of pipe gallery tube coupling respectively simultaneously
Degree and horizontal compression rigidity, so that vertical bearing plate and land plate can enough deform when being pressurized and be close to pipe gallery tube coupling
Outer wall, can in the case that the horizontal rigidity of the particularly horizontal compression ratio of rigidity pipe gallery tube coupling of land plate is small
Preferably distribution curve of the dummy level soil pressure along depth。
Described pipe gallery tube coupling is the prefabricated standard tube coupling of Urban Underground pipe gallery, its section be rectangle or circle or
Dome-shaped, inside are provided with single cabin or double cabins or more cabins, and the pipe gallery tube coupling pours integral top plate, both sides by armored concrete
Web, bottom plate and the internal dividing plate composition for being used to separate cabin.
There is the characteristic point of stress and strain during described pipe gallery tube coupling stress, strain need to be pasted at characteristic point
Piece, and record strain sheet data automatically by computer system, to calculate corresponding stress；Also need fixing crack Width detecting instrument
To detect the fracture width at the characteristic point of pipe gallery tube coupling, and record fracture width data automatically by computer system.
The characteristic point of described pipe gallery tube coupling refers to that pipe gallery tube coupling can reflect pipe gallery under load action
The point of tube coupling structure stress situation, pipe gallery tube coupling structure is calculated in the design phase by finite element software, and is determined
The predetermined portion that the load carrying capacity test stage must be detected, it includes：
A --- at the top plate top surface at the top of pipe gallery tube coupling dividing plate；
B, C --- at the top board undersurface of pipe gallery tube coupling dividing plate both sides；
D, G --- the web medial surface of the half height of pipe gallery tube coupling one；
E, F --- the dividing plate both sides of the half height of pipe gallery tube coupling one；
H, I --- at the plate top surface of pipe gallery tube coupling dividing plate both sides.
Described pipe gallery tube coupling load carrying capacity test detection draws the crack of the stress and record at each characteristic point
Width data can obtain equation below compared with the calculating stress under design load effect and fracture width data：
Formula three,
Formula four,
In formula,
--- the stress under finder charge effect（）；
--- the calculating stress under design load effect（）；
--- the fracture width under finder charge effect（）；
--- the calculating fracture width under design load effect（）；
--- the ratio of stress and the calculating stress under design load effect under finder charge effect；
--- the ratio of fracture width and the calculating fracture width under design load effect under finder charge effect；
WithIllustrate that pipe gallery tube coupling bearing capacity is not less than the bearing capacity of design requirement, it is full
Sufficient design requirement, it is up-to-standard, it can be delivered for use；It is on the contraryWithIllustrate that pipe gallery tube coupling carries
Ability is smaller than the bearing capacity of design requirement, is unsatisfactory for design requirement, off quality, it is impossible to be delivered for use.
Described vertical bearing plate bottom surface is set to make the identical cambered surface being close to, vertical bearing plate with pipe gallery tube coupling top surface
Top surface is set to the plane for multiple vertical jack installations；Described land plate medial surface be set to outside pipe gallery tube coupling
The cambered surface being close to of coincideing is made in side, and land plate lateral surface is set to the plane for the installation of multiple level jacks.
Described vertical bearing plate both sides are respectively equipped with vertical chute, and the both ends of the vertical bearing plate slide respectively to be arranged on
In the vertical chute；Described land plate both sides are respectively equipped with horizontal concrete chute, and the both ends of the land plate are slided respectively
Move and be arranged in the horizontal concrete chute.
Described test stand is the experimental rig skeleton of testing inspection pipe gallery tube coupling bearing capacity, by crossbeam, longeron, is stood
The tower structure that post and bottom girder plate weld form, in being internally formed for pipe gallery tube coupling installation for tower structure
Test space, described bottom girder plate bottom surface set multiple movable pulleys.
A kind of application method of pipe gallery tube coupling load carrying capacity test device, it comprises the following steps：
Step 1: make crossbeam, longeron, column, bottom girder plate, movable pulley, vertical bearing plate, vertical chute, land
The all parts of plate, horizontal concrete chute, and electric welding combination suite is carried out to the part of correlation, after making derusting rust-proofing processing, then it is right
Associated components or external member carry out being assembled into test stand；
Step 2: in 1~2 layer of bottom girder plate upper berth geotextiles, pipe gallery tube coupling is hung in test stand, and make integrated pipe
The bottom surface abutting contact of corridor tube coupling is in geotextiles；
Step 3: geotextiles are covered with pipe gallery tube coupling top surface and both sides, by vertical bearing plate and the level of both sides
Bearing plate is close to corresponding geotextiles；
Step 4: opening computer system, start vertical jack and level jack applies finder charge, finder charge
The mode for taking classification to apply is carried out：
1. apply two vertical test loadsValue and hydraulic test load~Value each 20%, hold lotus 10~
15min, and record stress and fracture width data at each characteristic point holding computer in the lotus time；
2. apply two vertical test loadsValue and hydraulic test load~Value each 50%, hold lotus 10~
15min, and record stress and fracture width data at each characteristic point holding computer in the lotus time；
3. apply two vertical test loadsValue and hydraulic test load~Each the 100% of value, holds lotus
30min, and record stress and fracture width data at each characteristic point holding computer in the lotus time；
Step 5: the pipe gallery tube coupling testing inspection that step 4 Computer system-computed goes out at each characteristic point is obtained
The stress and fracture width data gone out is drawn compared with design-calculated stress and fracture width dataWithValue；
Step 6: draw conclusion (of pressure testing)：WithIllustrate that pipe gallery tube coupling bearing capacity is not less than
The bearing capacity of design requirement, meet design requirement, it is up-to-standard, it can be delivered for use；It is on the contraryWith
Illustrate that pipe gallery tube coupling bearing capacity is smaller than the bearing capacity of design requirement, be unsatisfactory for design requirement, it is off quality, it is impossible to hand over
Pay and use.
Compared with prior art, experimental rig of the invention can carry out simultaneously pipe gallery tube coupling vertical load experiment and
Horizontal loading test, and hydraulic test load can rationally, dummy level soil pressure exactly, meet the reality of pipe gallery tube coupling
Border stressing conditions, improve the accuracy of pipe gallery tube coupling load carrying capacity test detection, it is ensured that pipe gallery tube coupling rationally just
Really use and structure is safe, the assembling and use of experimental rig can be preferably completed in conjunction with corresponding application method, therefore have
Simple structure, the advantages that easy to use, method is reasonable, data are reliable, there is higher economic benefit and social benefit.
Brief description of the drawings
Fig. 1 is the pipe gallery tube coupling bearing capacity loading test schematic diagram of the present invention.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is that pipe gallery tube coupling tests stress diagram.
Fig. 4 is finder charge and application point rated figure.
Embodiment
The embodiment of the present invention will be elaborated again by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Fig. 4,1. pipe gallery tube couplings, 11. top plates, 12. webs, 13. dividing plates, 14. bottom plates, 2. experiments
It is frame, 21. crossbeams, 22. longerons, 23. columns, 24. bottom girder plates, 25. movable pulleys, 3. vertical bearing plates, 4. vertical chutes, 5. vertical
Jack, 6. land plates, 7. horizontal concrete chutes, 8. level jacks, 9. geotextiles.
Pipe gallery tube coupling load carrying capacity test device and application method, as shown in Figure 1 and Figure 2, the carrying of pipe gallery tube coupling
Ability test device includes pipe gallery tube coupling 1 and test stand 2, and it is mainly used in City Buried Pipeline construction and Daily Round Check dimension
The urban infrastructure construction of shield, preferably to complete the assembling and use of experimental rig in conjunction with corresponding application method.
Described pipe gallery tube coupling 1 is the prefabricated standard tube coupling of Urban Underground pipe gallery, and its section is rectangle or circle
Or dome-shaped, inside are provided with single cabin or the various structures pattern such as double cabins or more cabins, the pipe gallery tube coupling 1 is poured by armored concrete
Build integral top plate 11, two coxostermums 12, bottom plate 14 and the internal dividing plate 13 for being used to separate cabin to collectively constitute, the present embodiment master
To use the double cabin dome-shaped pipe gallery tube couplings of assembled.
Described test stand 2 is the experimental rig skeleton of the bearing capacity of testing inspection pipe gallery tube coupling 1, mainly by crossbeam
21st, longeron 22, column 23, bottom girder plate 24 and movable pulley 25 etc. form, and movable pulley 25 is steel spherical structure, and quantity sets more
It is individual, the bottom surface of bottom girder plate 24 is installed in so that experimental rig to be supported on the ground, so as to which motoring ring test device is moved freely and adjusted
Whole position；Described crossbeam 21, longeron 22, column 23, bottom girder plate 24 form frame-type knot by I-steel or channel-section steel are welded
Structure, the tower structure are internally formed the test space for being available for pipe gallery tube coupling 1 to lay；Meanwhile paving 1 is needed on bottom girder plate 24
~2 layers of geotextiles 9, when pipe gallery tube coupling 1 is hung in test stand 2, the bottom surface abutting contact of pipe gallery tube coupling 1 is set to exist
In geotextiles 9.
The top of described pipe gallery tube coupling 1 is provided with vertical bearing plate 3, in vertical bearing plate and the inner top surface of test stand 2, i.e.
Multiple vertical jack 5 are installed, vertical bearing plate 3 and multiple vertical jack 5 are mainly used in vertical lotus between the bottom surface of crossbeam 21
Carry experiment；Wherein, vertical bearing plate 3 is made for steel material, and its bottom surface is set to and the top surface of pipe gallery tube coupling 1, i.e. top plate 11
Top surface matches the cambered surface being close to, and sets geotextiles 9 between the cambered surface and the top surface of pipe gallery tube coupling 1, and vertical bearing plate 3
Top surface be available for the planes that multiple vertical jack 5 are installed, specifically vertical one end of jack 5 is fixed on the crossbeam of test stand 2
21 bottoms, another end in contact is in the plane of the vertical top surface of bearing plate 3；Meanwhile it is respectively equipped with vertically in the vertical both sides of bearing plate 3
Chute 4, the vertical chute are made of steel material, and its end face is concave shape, and activity is embedded in respectively at the both ends of vertical bearing plate 3
In the vertical chute 4 of both sides, and Vertical slippage can be carried out, between the spill of vertical chute 4 and the end of vertical bearing plate 3
When leaving minim gap to facilitate filling lubricant to be lubricated, therefore starting the vertical application of jack 5 vertical test load, with regard to energy
Promote vertical bearing plate 3 for vertical movement, and drive vertical bearing plate 3 to apply vertical test load in pipe gallery tube coupling 1
Top surface departs from the top surface of pipe gallery tube coupling 1 and unloads and exit experiment, applies vertical pressure to the top surface of pipe gallery tube coupling 1
Power, to play a part of to the Vertical loading of pipe gallery tube coupling 1.
The described both sides of pipe gallery tube coupling 1 are respectively equipped with land plate 6, in every block of land plate 6 and test stand 2
Medial surface, multiple level jacks 8 are respectively mounted between the medial surface of column 23, land plate 6 and multiple level jacks 8 are led
It is used for horizontal loading test；Wherein, land plate 6 is made for steel material, and its medial surface is set to and pipe gallery tube coupling 1
Lateral surface, the i.e. lateral surface of web 12 are matched the cambered surface being close to, and soil is set between the cambered surface and the lateral surface of pipe gallery tube coupling 1
Work cloth 9, and the lateral surface of land plate 6 is set to the plane for the installation of multiple level jacks 8, specifically level jack 8
One end is fixed on the column 23 of test stand 2, and another end in contact is in the plane of land plate 6；Meanwhile in land plate
6 both sides are respectively equipped with horizontal concrete chute 7, and the horizontal concrete chute is made of steel material, and its end face is concave shape, land plate 6
Both ends be movably embedded into respectively in the horizontal concrete chute 7 of both sides, and horizontal sliding can be carried out, in the spill and water of horizontal concrete chute 7
Minim gap is left between the end of flat bearing plate 6 to facilitate filling lubricant to be lubricated, therefore is started level jack 8 and applied
During hydraulic test load, with regard to land plate 6 can be promoted to move horizontally, and land plate 6 is driven to apply hydraulic test lotus
It is loaded in the side of pipe gallery tube coupling 1 or departs from the side of pipe gallery tube coupling 1 and unload and exit experiment, to pipe gallery tube coupling
1 side applies horizontal pressure force, to play a part of to the horizontal addload of pipe gallery tube coupling 1.
Between described vertical bearing plate 3 and the top surface of pipe gallery tube coupling 1, land plate 6 and pipe gallery tube coupling 1
Side between, pad puts geotextiles 9 between the inner bottom surface of the bottom surface of pipe gallery tube coupling 1 and test stand 2, mainly cause integrated pipe
Contacted between corridor tube coupling 1 and vertical bearing plate 3 or land plate 6 well, and carrying out vertical load experiment or horizontal loading
During experiment can uniform force, while when also avoiding pressure-loaded due to the outside concrete surface bumps of pipe gallery tube coupling 1 not
Flat, local compression and damage pipe gallery tube coupling 1.
The vertical test load of described pipe gallery tube coupling loading testValue and hydraulic test load~Value
Determination method is as shown in Figure 3, shown in Fig. 4：
Two vertical test loads of described pipe gallery tube coupling load carrying capacity test deviceValue and two vertical examinations
Test loadThe distance between valueAnd distanceDetermined by design,For left vertical finder chargeIt is worth to comprehensive
The distance of the center line of 1 dividing plate of piping lane tube coupling 13 is closed,For Right vertical finder chargeIt is worth to the dividing plate of pipe gallery tube coupling 1
The distance of 13 center lines；
Described pipe gallery tube coupling load carrying capacity test deviceIndividual hydraulic test load~Value, whereinFor positive integer, such as the present embodimentFor 4 when,~Value is exactly、、、, by that analogy；DescribedIndividual hydraulic test load is determined by the equivalent method of the buried depth soil pressure of pipe gallery tube coupling 1, when pipe gallery tube coupling
Distribution Value curve of the embedding place's horizontal earth pressure along depth be,；By pipe gallery
Tube coupling top surface to the total height of bottom surface is divided intoSection, every section of height calculate since pipe gallery tube coupling top surface, then each section
Horizontal earth pressure makes a concerted effort to be worthIt is equivalent to be used as finder charge~Value,For 1~In any one positive integer value, phase
Ying DiSection horizontal earth pressure point of resultant force be highly,For 1~Middle correspondence~One of value is just whole
Numerical value, hydraulic test load~Value also needs to meet that formula is calculated as below：
Formula one,
Formula two,
In formula,
--- pipe gallery tube coupling is embedded in~I.e.~It is deep
In degreeSection horizontal earth pressure makes a concerted effort to be worth（）,For 1~In any one positive integer value；
--- pipe gallery tube couplingSection horizontal earth pressure make a concerted effort be worth application point to pipe gallery tube coupling top surface it
Between distance（）,For 1~Middle correspondenceA positive integer value；
--- the distance between earth's surface or road surface top surface to pipe gallery tube coupling top surface（）；
--- the total height of pipe gallery tube coupling top surface to bottom surface（）；
--- the distance of earth's surface or road surface top surface to the embedding place of piping lane tube coupling along change in depth（）, span is~Between；
--- the hop count of pipe gallery tube coupling top surface to bottom surface total height decile；
--- the unit weight of the embedding place's soil of pipe gallery tube coupling（）；
--- the embedding place's earth lateral pressure coefficient of pipe gallery tube coupling（Dimensionless）,Value except with soil strength variation and close
Degree has outside the Pass, also relevant with resistance to shear of soil history, and is determined according to actual soil body situation；
--- Distribution Value curve of the embedding place's horizontal earth pressure of pipe gallery tube coupling along depth,It is relevant with the stress at the embedding place of pipe gallery tube coupling；Pipe gallery tube coupling is buried underground in the soil body, its by
Power epidemic situation comparison is complicated, and relatively common has earth pressure at rest, active earth pressure, passive earth pressure, earth resistance and earthquake earth pressure
Deng according to the actual conditions of engineering by specification or relevant requirement determination.
It is calculated by more thanValue,For 1~In any one positive integer value, be used as every section of pipe gallery tube coupling 1
Hydraulic test load~Value, distribution curve of the embedding place's horizontal earth pressure of analog synthesis piping lane tube coupling along depth, the actual loading of general every section of 50~100cm of height energy of pipe gallery tube coupling 1 preferably analog synthesis piping lane tube coupling
Situation；Require that the compression rigidity of vertical bearing plate 3 and land plate 6 is less than the Vertical Compression of pipe gallery tube coupling respectively simultaneously
Rigidity and horizontal compression rigidity, so that vertical bearing plate 3 and land plate 6 can enough deform when being pressurized and be close to pipe gallery
The small situation of the horizontal rigidity of the horizontal compression ratio of rigidity pipe gallery tube coupling of the outer wall of tube coupling 1, particularly land plate 6
Under, being capable of preferably distribution curve of the dummy level soil pressure along depth。
The vertical jack 5 of the described load carrying capacity test device of pipe gallery tube coupling 1, level jack 8 are hydraulic pressure
Jack, and loading test is automatically controlled by computer control system, strain need to be pasted at the characteristic point of pipe gallery tube coupling 1
Piece, and record strain sheet data automatically by computer system, to calculate corresponding stress；Fixing crack is also needed in position
Width detecting instrument records crack automatically to detect the fracture width at the characteristic point of pipe gallery tube coupling 1 by computer system
Width data.
The characteristic point of above-mentioned pipe gallery tube coupling 1 refers to that pipe gallery tube coupling can reflect pipe gallery pipe under load action
The point of nodule structure force-bearing situation, the structure of pipe gallery tube coupling 1 are calculated in the design phase by finite element software, and determine to hold
The predetermined portion that loading capability experimental stage must detect, is generally comprised：
At the top surface of top plate 11 at the top of A --- pipe gallery tube coupling dividing plate 13；
B, C --- at the bottom surface of 13 both sides top plate of pipe gallery tube coupling dividing plate 11；
D, the medial surface of web 12 of G --- the half height of pipe gallery tube coupling one；
E, the both sides of dividing plate 13 of F --- the half height of pipe gallery tube coupling one；
H, I --- at the top surface of 13 both sides bottom plate of pipe gallery tube coupling dividing plate 14.
The described load carrying capacity test of pipe gallery tube coupling 1 detection draws the crack of the stress and record at each characteristic point
Vertical finder charge under width data acts on design loadValue,Individual hydraulic test load~It is worth the stress calculated
Compared with fracture width data, equation below can be obtained：
Formula three,
Formula four,
In formula,
--- the stress under finder charge effect（）；
--- the calculating stress under design load effect（）；
--- the fracture width under finder charge effect（）；
--- the calculating fracture width under design load effect（）；
--- the ratio of stress and the calculating stress under design load effect under finder charge effect；
--- the ratio of fracture width and the calculating fracture width under design load effect under finder charge effect；
WithIllustrate that pipe gallery tube coupling bearing capacity is not less than the bearing capacity of design requirement, it is full
Sufficient design requirement, it is up-to-standard, it can be delivered for use；It is on the contraryWithIllustrate that pipe gallery tube coupling carries
Ability is smaller than the bearing capacity of design requirement, is unsatisfactory for design requirement, off quality, it is impossible to be delivered for use.
The application method of described pipe gallery tube coupling load carrying capacity test device mainly comprises the following steps：
Step 1: make crossbeam 21, longeron 22, column 23, bottom girder plate 24, movable pulley 25, vertical bearing plate 3, vertical cunning
Groove 4, land plate 6, all parts of horizontal concrete chute 7, and electric welding combination suite is carried out to the part of correlation, it is anti-to make derusting
After rust processing, then associated components or external member are carried out being assembled into test stand；
Step 2: in 1~2 layer of 24 upper berth of bottom girder plate geotextiles 9, pipe gallery tube coupling 1 is hung in test stand 2, and is made
The bottom surface abutting contact of pipe gallery tube coupling 1 is in geotextiles 9；
Step 4: opening computer system, start vertical jack 5 and level jack 8 applies finder charge, test lotus
The mode for taking classification to apply is carried to carry out：
1. apply two vertical test loadsValue and hydraulic test load~Value each 20%, hold lotus 10~
15min, and record stress and fracture width data at each characteristic point holding computer in the lotus time；
2. apply two vertical test loadsValue and hydraulic test load~Value each 50%, hold lotus 10~
15min, and record stress and fracture width data at each characteristic point holding computer in the lotus time；
3. apply two vertical test loadsValue and hydraulic test load~Each the 100% of value, holds lotus 30min,
And record stress and fracture width data at each characteristic point holding computer in the lotus time；
Step 5: the testing inspection of pipe gallery tube coupling 1 that step 4 Computer system-computed is gone out at each characteristic point
The stress and fracture width data drawn is drawn compared with design-calculated stress and fracture width dataWith
Value；
Step 6: draw conclusion (of pressure testing)：WithIllustrate that the bearing capacity of pipe gallery tube coupling 1 is not small
In the bearing capacity of design requirement, meet design requirement, it is up-to-standard, it can be delivered for use；It is on the contraryWith
Illustrate that the bearing capacity of pipe gallery tube coupling 1 is smaller than the bearing capacity of design requirement, be unsatisfactory for design requirement, it is off quality, it is impossible to
It is delivered for use.
Pipe gallery tube coupling load carrying capacity test device and use is described in detail with a specific embodiment again in the present invention
Method.
Embodiment
The double storehouse dome-shaped pipe gallery tube coupling bearing capacity loading test calculated examples of assembled：
Pipe gallery tube coupling is double cabins ogival section, and size isMm, cracking load be less than
0.2mm fracture widths, vertical test loadValue refers to single concentrated force vertical test payload values.Pipe gallery tube coupling is embedding
Locate distribution curve of the horizontal earth pressure along depth, i.e., distribution curve of the horizontal earth pressure along depth is in straight
The distribution of line shape.The unit weight 14 of cohesive soil, Stationary side coefficient of earth pressure, crowd 5, ground earthing
10, crowd and ground earthing are converted into uniform thickness earth pillar and are highly, by pipe gallery pipe
Section heightIt is divided into 4 sections, every section of 0.8m, the relevant data of pipe gallery tube coupling bearing capacity loading test, which calculate, see the table below：
Piping lane tube coupling bearing capacity loading test tables of data
In table
--- crowd and ground earthing are converted into uniform thickness earth pillar height（）；
--- crowd and ground earthing are converted into uniform thickness earth pillar heightTop surface is to pipe gallery tube couplingSection bottom
The distance in face（）,For 1~In any one positive integer value；
--- crowd and ground earthing are converted into uniform thickness earth pillar heightThe following pipe gallery tube coupling of top surface
TheSection bottom surface horizontal earth pressure Distribution Value（）,For 1~Middle correspondenceA positive integer value；
--- pipe gallery tube coupling is embedded in~I.e.~It is deep
In degreeSection horizontal earth pressure makes a concerted effort to be worth（）,For 1~In any one positive integer value, i.e., take respectively~
In any one positive integer value；
--- pipe gallery tube couplingThe application point that section horizontal earth pressure makes a concerted effort to be worth is to pipe gallery tube coupling top
Between distance（）,For 1~Middle correspondenceA positive integer value；
Vertical test load , hydraulic test load（Soil pressure is made a concerted effort）It is that pipe gallery tube coupling edge is long
It is every to spend directionNumerical value, as pipe gallery tube coupling length is(), then the vertical test load in table 、
Hydraulic test load（Soil pressure is made a concerted effort）Value is multiplied by, side is the application of vertical test load, hydraulic test load
Value.
Embodiment of the present invention is only illustrative of the invention and is not intended to limit the scope of the invention；It should additionally manage
Solution, after the content of the invention lectured has been read, those skilled in the art can make various changes or modifications to the present invention, this
A little equivalent form of values are equally fallen within the application appended claims limited range.
Claims (9)
1. a kind of pipe gallery tube coupling load carrying capacity test device, including test stand（2）With the integrated pipe being placed in test stand
Corridor tube coupling（1）；Described pipe gallery tube coupling（1）Top is provided with vertical bearing plate（3）, in vertical bearing plate and test stand（2）
Multiple vertical jack are installed between inner top surface（5）, the plurality of vertical jack promotes vertical bearing plate jointly（3）Make vertical move
It is dynamic, and drive vertical bearing plate（3）Apply vertical test load in pipe gallery tube coupling（1）Top surface or depart from pipe gallery pipe
Section（1）Top surface and unload and exit experiment；Described pipe gallery tube coupling（1）Both sides are respectively equipped with land plate（6）, every
Block land plate and test stand（2）Multiple level jacks are respectively mounted between medial surface（8）, the plurality of level jack is common
Promote land plate（6）Move horizontally, and drive land plate（6）Apply hydraulic test load in pipe gallery tube coupling
（1）Side or depart from pipe gallery tube coupling（1）Side and unload and exit experiment；Described vertical bearing plate（3）With synthesis
Piping lane tube coupling（1）Top surface between, land plate（6）With pipe gallery tube coupling（1）Side between, pipe gallery tube coupling
（1）Bottom surface and test stand（2）Inner bottom surface between be equipped with geotextiles（9）, it is characterised in that described pipe gallery tube coupling
Load carrying capacity test device has two vertical test loadsValue andIndividual hydraulic test load~Value；It is described
Two vertical test loadsValue and two vertical test loadsThe distance between valueAnd distanceBy designing
It is determined thatFor left vertical finder chargeIt is worth to pipe gallery tube coupling（1）Dividing plate（13）The distance of center line,For the right side
Side vertical test loadIt is worth to pipe gallery tube coupling（1）Dividing plate（13）The distance of center line；DescribedIndividual hydraulic test lotus
Carry~Value, whereinIt is described for positive integerIndividual hydraulic test load is by pipe gallery tube coupling（1）Buried depth
Locate the equivalent method of soil pressure to determine, when Distribution Value curve of the embedding place's horizontal earth pressure of pipe gallery tube coupling along depth is,；By pipe gallery tube coupling（1）Top surface to the total height of bottom surface is divided intoSection,
Every section of height calculates since pipe gallery tube coupling top surface, then each section of horizontal earth pressure makes a concerted effort to be worthIt is equivalent to be used as experiment lotus
Carry~Value,For 1~In any one positive integer value, correspondinglyThe horizontal earth pressure point of resultant force of section is high
Spend and be,For 1~Middle correspondence~One positive integer value of value, hydraulic test load~Value also needs to accord with
Formula is calculated as below in conjunction：
Formula one,
Formula two,
In formula,
--- pipe gallery tube coupling（1）It is embedded in~I.e.~In depth
Section horizontal earth pressure makes a concerted effort to be worth,；For 1~In any one positive integer value；
--- pipe gallery tube coupling（1）TheThe application point that section horizontal earth pressure makes a concerted effort to be worth is to pipe gallery tube coupling（1）Top surface
The distance between,；For 1~Middle correspondenceA positive integer value；
--- earth's surface or road surface top surface to pipe gallery tube coupling（1）The distance between top surface,；
--- pipe gallery tube coupling（1）Top surface to bottom surface total height,；
--- earth's surface or road surface top surface to piping lane tube coupling（1）Distance of the embedding place along change in depth,；Span is~Between；
--- pipe gallery tube coupling（1）Top surface to bottom surface total height decile hop count；
--- pipe gallery tube coupling（1）The unit weight of embedding place's soil,；
--- pipe gallery tube coupling（1）Embedding place's earth lateral pressure coefficient, dimensionless；Value except with soil strength variation and density
Have outside the Pass, it is also relevant with resistance to shear of soil history, and determined according to actual soil body situation；
--- pipe gallery tube coupling（1）Distribution Value curve of the embedding place's horizontal earth pressure along depth,
With pipe gallery tube coupling（1）The stress at embedding place is relevant；
It is calculated by more thanValue,For 1~In any one positive integer value, as pipe gallery tube coupling（1）Every section
Hydraulic test load~Value, analog synthesis piping lane tube coupling（1）Distribution curve of the embedding place's horizontal earth pressure along depth, pipe gallery tube coupling（1）The actual loading situation of every section of height 50~100cm analog synthesis piping lane tube coupling；Together
When require vertical bearing plate respectively（3）With land plate（6）Compression rigidity be less than pipe gallery tube coupling（1）Vertical Compression
Rigidity and horizontal compression rigidity, so that vertical bearing plate（3）With land plate（6）It can enough be deformed during compression and be close to integrate
Piping lane tube coupling（1）Outer wall, land plate（6）Horizontal compression ratio of rigidity pipe gallery tube coupling（1）Horizontal rigidity it is small
In the case of, distribution curve of the dummy level soil pressure along depth。
2. pipe gallery tube coupling load carrying capacity test device according to claim 1, it is characterised in that described integrated pipe
Corridor tube coupling（1）It is the prefabricated standard tube coupling of Urban Underground pipe gallery, its section is rectangle or circle or dome-shaped, and inside is provided with single
Cabin or double cabins or more cabins, the pipe gallery tube coupling are poured integral top plate by armored concrete（11）, two coxostermums（12）, bottom plate
（14）With the internal dividing plate for being used to separate cabin（13）Composition.
3. pipe gallery tube coupling load carrying capacity test device according to claim 2, it is characterised in that described integrated pipe
Corridor tube coupling（1）There is the characteristic point of stress and strain during stress, foil gauge need to be pasted at characteristic point, and by computer system certainly
Dynamic record strain sheet data, to calculate corresponding stress；Fixing crack Width detecting instrument is also needed to detect pipe gallery tube coupling
（1）Characteristic point at fracture width, and record fracture width data automatically by computer system.
4. pipe gallery tube coupling load carrying capacity test device according to claim 3, it is characterised in that described integrated pipe
Corridor tube coupling（1）Characteristic point refer to that pipe gallery tube coupling can reflect pipe gallery tube coupling structure stress situation under load action
Point, pipe gallery tube coupling structure are calculated in the design phase by finite element software, and determine that the load carrying capacity test stage must
The predetermined portion that must be detected, it includes：
A --- pipe gallery tube coupling（1）Dividing plate（13）The top plate at top（11）At top surface；
B, C --- pipe gallery tube coupling（1）Dividing plate（13）Both sides top plate（11）At bottom surface；
D, G --- pipe gallery tube coupling（1）The web of one half height（12）Medial surface；
E, F --- pipe gallery tube coupling（1）The dividing plate of one half height（13）Both sides；
H, I --- pipe gallery tube coupling（1）Dividing plate（13）Both sides bottom plate（14）At top surface.
5. pipe gallery tube coupling load carrying capacity test device according to claim 3, it is characterised in that described integrated pipe
Corridor tube coupling（1）Load carrying capacity test detection draws the fracture width data and design load of the stress and record at each characteristic point
Calculating stress under effect compares with fracture width data, can obtain equation below：
Formula three,
Formula four,
In formula,
--- the stress under finder charge effect,；
--- the calculating stress under design load effect,；
--- the fracture width under finder charge effect,；
--- the calculating fracture width under design load effect,；
--- the ratio of stress and the calculating stress under design load effect under finder charge effect；
--- the ratio of fracture width and the calculating fracture width under design load effect under finder charge effect；
WithIllustrate pipe gallery tube coupling（1）Bearing capacity is not less than the bearing capacity of design requirement, meets to set
Meter requires, up-to-standard, can be delivered for use；It is on the contraryWithIllustrate pipe gallery tube coupling（1）Bearing capacity
It is smaller than the bearing capacity of design requirement, design requirement is unsatisfactory for, it is off quality, it is impossible to be delivered for use.
6. pipe gallery tube coupling load carrying capacity test device according to claim 1, it is characterised in that described vertically holds
Pressing plate（3）Bottom surface is set to and pipe gallery tube coupling（1）Top surface makees the cambered surface being close to of coincideing, vertical bearing plate（3）Top surface is set to supply
Multiple vertical jack（5）The plane of installation；Described land plate（6）Medial surface is set to and pipe gallery tube coupling（1）Outside
Make the cambered surface being close to of coincideing, land plate in side（6）Lateral surface is set to supply multiple level jacks（8）The plane of installation.
7. pipe gallery tube coupling load carrying capacity test device according to claim 1, it is characterised in that described vertically holds
Pressing plate（3）Both sides are respectively equipped with vertical chute（4）, the vertical bearing plate（3）Both ends slide respectively installed in described vertical sliding
Groove（4）It is interior；Described land plate（6）Both sides are respectively equipped with horizontal concrete chute（7）, the land plate（6）Both ends difference
Sliding is arranged on the horizontal concrete chute（7）It is interior.
8. pipe gallery tube coupling load carrying capacity test device according to claim 1, it is characterised in that described test stand
（2）It is testing inspection pipe gallery tube coupling（1）The experimental rig skeleton of bearing capacity, by crossbeam（21）, longeron（22）, column（23）
With bottom girder plate（24）The tower structure being welded, in being internally formed for the pipe gallery tube coupling for tower structure（1）
The test space of installation, described bottom girder plate（24）Bottom surface sets multiple movable pulleys（25）.
9. a kind of application method of pipe gallery tube coupling load carrying capacity test device, it is characterised in that this method includes following step
Suddenly：
Step 1: make crossbeam（21）, longeron（22）, column（23）, bottom girder plate（24）, movable pulley（25）, vertical bearing plate
（3）, vertical chute（4）, land plate（6）, horizontal concrete chute（7）All parts, and to correlation part carry out electric welding group
External member is synthesized, after making derusting rust-proofing processing, then associated components or external member are carried out being assembled into test stand；
Step 2: in bottom girder plate（24）1~2 layer of upper berth geotextiles（9）, by pipe gallery tube coupling（1）Hang in test stand（2）It is interior,
And make pipe gallery tube coupling（1）Bottom surface abutting contact in geotextiles（9）On；
Step 3: in pipe gallery tube coupling（1）Top surface and both sides are covered with geotextiles（9）, by vertical bearing plate（3）With both sides
Land plate（6）It is close to corresponding geotextiles（9）；
Step 4: opening computer system, start vertical jack（5）And level jack（8）Apply finder charge, test lotus
The mode for taking classification to apply is carried to carry out：
1. apply two vertical test loadsValue and hydraulic test load~Each the 20% of value, holds 10~15min of lotus,
And record stress and fracture width data at each characteristic point holding computer in the lotus time；
2. apply two vertical test loadsValue and hydraulic test load~Each the 50% of value, holds 10~15min of lotus,
And record stress and fracture width data at each characteristic point holding computer in the lotus time；
3. apply two vertical test loadsValue and hydraulic test load~Each the 100% of value, holds lotus 30min, and
Stress and fracture width data at each characteristic point are recorded holding computer in the lotus time；
Step 5: the pipe gallery tube coupling testing inspection that step 4 Computer system-computed goes out at each characteristic point is drawn
Stress and fracture width data are drawn compared with design-calculated stress and fracture width dataWithValue；
Step 6: draw conclusion (of pressure testing)：WithIllustrate pipe gallery tube coupling bearing capacity not less than design
It is required that bearing capacity, meet design requirement, it is up-to-standard, can be delivered for use；It is on the contraryWithExplanation
Pipe gallery tube coupling bearing capacity is smaller than the bearing capacity of design requirement, is unsatisfactory for design requirement, off quality, it is impossible to which delivery makes
With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528952.5A CN105043884B (en) | 2015-08-26 | 2015-08-26 | Pipe gallery tube coupling load carrying capacity test device and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528952.5A CN105043884B (en) | 2015-08-26 | 2015-08-26 | Pipe gallery tube coupling load carrying capacity test device and application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105043884A CN105043884A (en) | 2015-11-11 |
| CN105043884B true CN105043884B (en) | 2017-11-10 |
Family
ID=54450602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510528952.5A Active CN105043884B (en) | 2015-08-26 | 2015-08-26 | Pipe gallery tube coupling load carrying capacity test device and application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105043884B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781569A (en) * | 2016-03-28 | 2016-07-20 | 北京市政建设集团有限责任公司 | Large-diameter shield tunnel comprehensive pipe gallery and construction method thereof |
| CN109030236A (en) * | 2018-10-18 | 2018-12-18 | 吉林建筑大学 | A kind of Urban Underground comprehensive pipe gallery structure fire-resistance behavior experimental rig and test method |
| CN109060512B (en) * | 2018-10-25 | 2023-12-08 | 吉林建筑大学 | Assembled superposed pipe gallery quasi-static force loading test device and test method |
| CN109855986B (en) * | 2019-01-14 | 2021-07-13 | 内蒙古科技大学 | Shear test method for pipe joint of rectangular pipe-jacking tunnel |
| CN112648434B (en) * | 2019-10-10 | 2024-05-07 | 中国电力科学研究院有限公司 | Hole-outlet device of push bench and use method thereof |
| CN112033813A (en) * | 2020-08-17 | 2020-12-04 | 中铁二十二局集团第三工程有限公司 | Comprehensive pipe gallery cable support bearing capacity test method |
| CN113654922B (en) * | 2021-08-03 | 2023-10-31 | 华侨大学 | Joint torsion resistance model testing device of cementing prestress assembly type pipe gallery |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD143939A1 (en) * | 1979-05-24 | 1980-09-17 | Siegfried Uhlig | WEARING LAYER CLOTHING FOR TUNNEL |
| CN2420639Y (en) * | 2000-05-29 | 2001-02-21 | 交通部重庆公路科学研究所 | vertical external loadiing executor for channel wall rock stability analysis |
| CN102620982A (en) * | 2012-03-28 | 2012-08-01 | 三峡大学 | Concrete beam reverse loading test device |
| CN103033374A (en) * | 2011-09-29 | 2013-04-10 | 同济大学 | Test device of vertical structure model of shield tunnel |
| CN103061782A (en) * | 2013-01-28 | 2013-04-24 | 中铁隧道勘测设计院有限公司 | Large-section earth pressure balancing rectangular jacking pipe joint of motor vehicle tunnel and method for constructing large-section earth pressure balancing rectangular jacking pipe |
| CN104405408A (en) * | 2014-10-20 | 2015-03-11 | 上海市城市建设设计研究总院 | Annular partitioning structure of assembled type rectangular shield tunnel lining |
| CN104458243A (en) * | 2014-12-28 | 2015-03-25 | 上海隧道工程股份有限公司 | Level test loading device for rectangular shield segment |
| CN104458242A (en) * | 2014-12-28 | 2015-03-25 | 上海隧道工程股份有限公司 | Rectangular shield segment test loading device |
| CN104502137A (en) * | 2015-01-16 | 2015-04-08 | 招商局重庆交通科研设计院有限公司 | Tunnel lining structure uniform load test system and sealing method thereof |
| CN104533470A (en) * | 2014-11-03 | 2015-04-22 | 同济大学 | Standing type mechanical loading device for three-ring prototype irregular shield segment |
| CN104614244A (en) * | 2015-02-13 | 2015-05-13 | 武汉科技大学 | High-stress roadway stability similarity simulation test device and method |
| CN205015228U (en) * | 2015-08-26 | 2016-02-03 | 宁波交通工程建设集团有限公司 | Utility tunnel tube coupling bearing capacity test device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0376998A (en) * | 1989-08-17 | 1991-04-02 | Mitsui Constr Co Ltd | Constructing method of tunnel lining |
| JPH0518192A (en) * | 1991-02-13 | 1993-01-26 | Ishikawajima Constr Materials Co Ltd | Construction method for tunnel and lining segment |
-
2015
- 2015-08-26 CN CN201510528952.5A patent/CN105043884B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD143939A1 (en) * | 1979-05-24 | 1980-09-17 | Siegfried Uhlig | WEARING LAYER CLOTHING FOR TUNNEL |
| CN2420639Y (en) * | 2000-05-29 | 2001-02-21 | 交通部重庆公路科学研究所 | vertical external loadiing executor for channel wall rock stability analysis |
| CN103033374A (en) * | 2011-09-29 | 2013-04-10 | 同济大学 | Test device of vertical structure model of shield tunnel |
| CN102620982A (en) * | 2012-03-28 | 2012-08-01 | 三峡大学 | Concrete beam reverse loading test device |
| CN103061782A (en) * | 2013-01-28 | 2013-04-24 | 中铁隧道勘测设计院有限公司 | Large-section earth pressure balancing rectangular jacking pipe joint of motor vehicle tunnel and method for constructing large-section earth pressure balancing rectangular jacking pipe |
| CN104405408A (en) * | 2014-10-20 | 2015-03-11 | 上海市城市建设设计研究总院 | Annular partitioning structure of assembled type rectangular shield tunnel lining |
| CN104533470A (en) * | 2014-11-03 | 2015-04-22 | 同济大学 | Standing type mechanical loading device for three-ring prototype irregular shield segment |
| CN104458243A (en) * | 2014-12-28 | 2015-03-25 | 上海隧道工程股份有限公司 | Level test loading device for rectangular shield segment |
| CN104458242A (en) * | 2014-12-28 | 2015-03-25 | 上海隧道工程股份有限公司 | Rectangular shield segment test loading device |
| CN104502137A (en) * | 2015-01-16 | 2015-04-08 | 招商局重庆交通科研设计院有限公司 | Tunnel lining structure uniform load test system and sealing method thereof |
| CN104614244A (en) * | 2015-02-13 | 2015-05-13 | 武汉科技大学 | High-stress roadway stability similarity simulation test device and method |
| CN205015228U (en) * | 2015-08-26 | 2016-02-03 | 宁波交通工程建设集团有限公司 | Utility tunnel tube coupling bearing capacity test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105043884A (en) | 2015-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105043884B (en) | Pipe gallery tube coupling load carrying capacity test device and application method | |
| CN108333054A (en) | Tunnel threedimensional model bracket loading test platform and the test method observed for tunnel defect | |
| CN103996348B (en) | The cross-over tunnel construction indoor model test device on operation tunnel impact up and down | |
| CN104183182B (en) | Rolling Stone Model for Movement Law testing apparatus and method | |
| Jiao et al. | Buckling behaviors of thin-walled cylindrical shells under localized axial compression loads, Part 1: Experimental study | |
| Siriwardane | Vibration measurement-based simple technique for damage detection of truss bridges: A case study | |
| CN102621010A (en) | Multifunctional testing machine for deep surrounding rock anchoring performance | |
| CN104897491B (en) | Paving steel bridge deck fatigue cracking experimental rig and method | |
| CN202599766U (en) | Multifunctional test machine for anchorage performance of deep surrounding rock | |
| Beben | Field performance of corrugated steel plate road culvert under normal live-load conditions | |
| CN107782606A (en) | A kind of experimental rig and its application method of the local buckling behavior of double steel plate combined concrete shear wall steel plate | |
| CN106501014A (en) | Vertical load testing machine for domain tunnel structure | |
| CN105588802B (en) | It is a kind of for simulating the three-dimensional experiment system and experimental method of roadway surrounding rock plastic zone | |
| CN109629461A (en) | A method of it does not break off a friendship and carries out cast-in-situ box girder reset and bearing replacement | |
| CN109556965A (en) | Shield duct piece simulation on Mechanical experimental rig | |
| CN205691429U (en) | A kind of tunnel net shell indoor model test device | |
| CN102866070B (en) | Loading method for bearing strength test for secondary lining concrete structure of tunnel | |
| CN104420694B (en) | The general installation method of benzene hydrogenation engineering tower | |
| CN106596290A (en) | Rock structural surface on-site hydraulic coupling direct shearing test structure device and construction method thereof | |
| CN106546483A (en) | Two-dimentional mechanical models for soil and rock assay device and method | |
| CN105203387B (en) | Pipeline-soil model experimental rig under the influence of place sedimentation and tomography | |
| CN112146912A (en) | Tunnel multi-catastrophe comprehensive simulation test system | |
| CN104464477B (en) | Tunnel teaching experiment model | |
| CN205015228U (en) | Utility tunnel tube coupling bearing capacity test device | |
| CN109060512B (en) | Assembled superposed pipe gallery quasi-static force loading test device and test method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |