CN108316366A - A kind of multi-functional foundation pit model assay systems equipment and its application method - Google Patents
A kind of multi-functional foundation pit model assay systems equipment and its application method Download PDFInfo
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- CN108316366A CN108316366A CN201810225173.1A CN201810225173A CN108316366A CN 108316366 A CN108316366 A CN 108316366A CN 201810225173 A CN201810225173 A CN 201810225173A CN 108316366 A CN108316366 A CN 108316366A
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- main tank
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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Abstract
The present invention relates to multi-functional foundation pit model assay systems equipment, including model casing system and handling soil and loading system；The model casing system includes main tank, water tank and Double layer iron ladder；Main tank is made of steel plate, organic glass, angle steel and being bolted, main tank both sides assembly steel plate and ribbing, and junction sets sealing strip, and transparent organic glass whole plate, which is embedded in steel plate, is used as watch window；The handling soil and loading system include mound field, the native channel of handling, excavator, packaged type girder steel frame and pressue device；Mound field by steel plate, angle steel, be bolted and form, the native channel of mound field one end connection handling.The beneficial effects of the invention are as follows：The easy to operate, high degree of automation of the present invention, structure function diversification, can carry out the indoor model test of excavation of foundation pit effect on environment, can detect ess-strain, the pore water pressure of the soil body, can carry out dynamic load and static loading.
Description
Technical field
The present invention relates to a kind of excavation models testing equipment field, more particularly to a kind of multi-functional foundation pit model assay systems
Equipment and its application method.
Background technology
Model test is that according to certain principle of similitude specific engineering geological problems are carried out with a kind of method of reduced scale research,
By in scale smaller or waiting than being tested accordingly on model, obtaining related data and checking design defect, it has also become work
One of journey field research means the most main.China's economic strength is more and more richer, this be unable to do without the quick hair of urban construction
Exhibition, high type, heavy type, large size buildings or structures be even more to emerge one after another, also increase the difficulty of construction technology, base pit engineering be for
Ensure that ground excavates soil-baffling structure and ground needed for safety and stability of the underground space of formation during Underground Construction downwards
The measures such as lower water management, environmental protection, importance are self-evident.However in urban construction domestic at present, foundation pit is opened
Digging inevitably has an impact periphery subway tunnel, buildings or structures, pipeline etc..Existing data is mostly with case history
Carry out influence of the excavation of foundation pit to periphery under a certain given area geological conditions of analytic explanation, and this respect at present temporarily almost without
The development of corresponding indoor model test, so relevant research has great importance.
Invention content
The purpose of the present invention is overcoming deficiency in the prior art, a kind of multi-functional foundation pit model assay systems equipment is provided
And its application method.
This multi-functional foundation pit model assay systems equipment, including model casing system and handling soil and loading system；
The model casing system includes main tank, water tank and Double layer iron ladder；Main tank is by steel plate, organic glass, angle steel and bolt
Connection composition, main tank both sides assembly steel plate and ribbing, junction set sealing strip, and transparent organic glass whole plate, which is embedded in steel plate, to be made
For watch window；Water tank setting main tank both sides and with partition panel and separate card slot separated with main tank, water tank by steel plate, angle steel and
It is bolted composition；Double layer iron ladder is set on rear side of main tank；It is laid with concrete bed under entire babinet, concrete bed both sides are opened
If draining water channel；Water-level observation hole is mounted equidistant in main tank and water tank both sides；Right side tank outer wall is equipped with display system；
The handling soil and loading system include mound field, the native channel of handling, excavator, packaged type girder steel frame and pressurization
Device；Mound field by steel plate, angle steel, be bolted and form, the native channel of mound field one end connection handling；The native channel of handling is belt
The native channel of formula handling loads and unloads native channel upper end and is arranged belt pulley, and plane, which also serves as, on belt pulley unloads native platform, loads and unloads native channel lower end
Mound field eminence is mounted with concrete pier；Packaged type girder steel frame is by steel column, fixed I-steel girder and moveable I-steel
Crossbeam forms, and I-shaped gooseneck slides side and the linear guide is housed；Excavator can move up dynamic in I-shaped gooseneck；Pressue device includes
Hydraulic jack and load plate are equipped each with hydraulic jack on I-shaped gooseneck, and load plate is fixed in hydraulic jack lower end,
Hydraulic jack can slide on I-shaped gooseneck.
As preferred：Pre-buried prefabricated tunnel model and laying monitoring element in the main tank.
As preferred：The Double layer iron ladder height is consistent with main tank.
As preferred：The steel column bottom is equipped with concrete pouring weight, and fixed part angle steel is bolted.
As preferred：Data operation system is equipped on rear side of the mound field, the data operation system includes that computer is shown
Device, fiber grating monitoring system, water pressure data monitoring system and handling soil and Loading Control System.
As preferred：The excavator is small-sized excavator, is moved up in I-shaped gooseneck dynamic.
The application method of this multi-functional foundation pit model assay systems equipment, includes the following steps：
1) using the native channel of handling the soil body is filled to main tank quantification；
2) the pre-buried prefabricated test model in main tank lays monitoring element, opens both sides water tank sluice gate whenever necessary；
3) adjustment I-shaped gooseneck position is directed at pressing position；
4) start pressue device, proceed by simulation test, check display data；
5) experiment finishes, and stores data, site clearing.
The beneficial effects of the invention are as follows：
(1) easy to operate, high degree of automation of the invention, structure function diversification, can carry out excavation of foundation pit to environment shadow
Loud indoor model test can detect ess-strain, the pore water pressure of the soil body, can carry out dynamic load and static loading, energy
Under the conditions of excavation simulation, the stress strain response of detection periphery tunnel, house, underground utilities etc. can monitor tunnel, pipeline and room
The parameters such as structural internal force, strain, sedimentation, horizontal displacement, ground settlement, soil horizontal displacement, the pore water pressure in room etc..
(2) present invention energy automatic data collection, system integration processing, reduces manual operation error, makes the data of acquisition
It is more acurrate.
(3) model casing good airproof performance of the invention, strength and stiffness are big, will not deform, and can guarantee that stablizing for experiment carries out.
(4) transparent organic glass is used, can directly be observed filling soil body situation and follow-up test.
Description of the drawings
Fig. 1 is overall structure of the present invention；
Fig. 2 is partial structural diagram of the present invention.
Reference sign：1-main tank；2-water tanks；3-display systems；4-concrete beds；5-draining water channels；
6-water-level observation holes；7-watch windows；8-Double layer irons ladder；9-mound fields；The native channel of 10-handling；11-concrete piers；
12-excavators；13-steel columns；14-concrete pouring weights；15-I-steel girders；16-I-shaped goosenecks；17-load plates；
18-data operation systems；19-hydraulic jacks.
Specific implementation mode
The present invention is described further with reference to embodiment.The explanation of following embodiments is merely used to help understand this
Invention.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, also
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection domain of the claims in the present invention
It is interior.
As shown in Figure 1, the multi-functional foundation pit model assay systems equipment, including three parts：Model casing system, handling
Soil and loading system, data operation system 18.
The model casing system includes main tank 1, water tank 2 and Double layer iron ladder 8.Main tank 1 is by steel plate, organic glass, angle steel, spiral shell
It tethers and connects composition；1 both sides assembly steel plate ribbing of main tank ensures that rigidity, junction sealing strip ensure leakproofness；Transparent organic glass
Glass whole plate, which is embedded in steel plate, is used as watch window 7；Prison can be laid in main tank 1 according to the pre-buried prefabricated tunnel model of test requirements document
Element is surveyed to acquire monitoring data etc. in Excavation Process.The setting of water tank 2 is in 1 both sides of main tank, with partition panel and partition card slot
It is separated with main tank 1；Water tank 2 by steel plate, angle steel, be bolted and form, it acts as the height difference for changing 2 water level of both sides water tank, moulds
Quasi- excavation of foundation pit precipitation etc., when not considering the influence of underground water can not water-filling, controlled by sluice gate.Double layer iron ladder 8 is placed in main tank 1 one
Side can individually customize, and be highly consistent with main tank 1, facilitate related personnel or more.It is laid with concrete bed under entire babinet
4,4 both sides of concrete bed open up draining water channel 5, can efficiently be discharged and abandon water.Water level is mounted equidistant in main tank 1 and 2 both sides of water tank
Peephole 6, can observatory control WATER LEVEL CHANGES at any time.Water tank 2 outer wall in side inlays liquid crystal real-time display system 3, and liquid crystal is real
When display system 3 can show parameter, the state of current engineering of main test original paper test, be wirelessly connected and led to computer
News.
The handling soil and loading system include mound field 9, the native channel 10 of handling, small-sized excavator 12, packaged type steel
Roof beam structure and pressue device.Mound field 9 by steel plate, angle steel, be bolted and form, the native channel of one end connection handling 10.Handling soil is logical
Road 10 is that belt-type loads and unloads native channel, and upper end is arranged belt pulley, and plane, which also serves as, on belt pulley unloads native platform, loads and unloads under native channel 10
End concrete pier 11 mounts 9 eminence of mound field, the mound of the soil body dug out out of main tank 1 using belt-conveying to place side
Field 9, driving belt is controlled with motor.Can be cut the earth program by computer installation.Packaged type girder steel frame is by eight (front and back each four
Root) steel column 13, the fixed I-steel girder 15 in two, top and two moveable compositions of I-shaped goosenecks 16, eight 13 bottoms of steel column
Concrete pouring weight 14 is matched in portion, stablizes steel column 13, and fixed part angle steel is bolted, and moveable I-shaped gooseneck 16 slides
Side fills the linear guide.Small-sized excavator 12 is that computer controls unmanned digging machine, can be moved freely on I-shaped gooseneck 16.Pressurization
Device includes hydraulic jack 19, load plate 17, and two hydraulic jacks 19, oil jack are respectively equipped on I-shaped gooseneck 16
It pushes up 19 lower ends and fixes load plate 17, ensure uniform force when load, form a uniform face load, hydraulic jack 19 can be
It is free to slide on I-shaped gooseneck 16.
The data operation system 18 includes other data prisons such as computer monitor, fiber grating monitoring system, water pressure
Examining system and handling soil and Loading Control System etc..Monitoring acquisition control shows following function：1. all kinds of points can be obtained automatically
The measurement data of cloth fibre strain temperature device can calibrate simultaneously transfer standard data format automatically；2. system uses database
Mode stores, and has quick search, processing and analytic function；3. system data processing is with length correction, smoothing denoising, movement
The operations such as average, convergent-divergent, translation, reversing, rotation, alignment, data edition and revocation return；4. SDA system data analysis curve
With visualization, amplification is reduced, full figure roaming function；5. system has batch data processing function, can be by report and processing
Graph is automatically generated and is exported；6. there is safety management function, can be to project data after authorized user's login system at
Reason.
The application method of the multi-functional foundation pit model assay systems equipment, includes the following steps：
(1) soil body is filled into main tank 1 using the native channel 10 of handling, it is quantitative by test requirements document；
(2) the pre-buried prefabricated test model in main tank 1 lays monitoring element, opens 2 sluice gate of both sides water tank whenever necessary；
(3) 16 position of adjustment I-shaped gooseneck, is directed at pressing position；
(4) start pressue device, proceed by simulation test, check display data；
(5) experiment finishes, and stores data, site clearing.
Claims (7)
1. a kind of multi-functional foundation pit model assay systems equipment, it is characterised in that：Including model casing system and handling soil and load
System；
The model casing system includes that main tank (1), water tank (2) and Double layer iron are terraced (8)；Main tank (1) is by steel plate, organic glass, angle
Steel sets sealing strip, transparent organic glass whole plate edge with composition, main tank (1) both sides assembly steel plate and ribbing, junction is bolted
Watch window (7) is used as in steel plate；Water tank (2) setting in main tank (1) both sides and with partition panel and separates card slot and main tank
(1) it separates, water tank (2) is made of steel plate, angle steel and being bolted；Double layer iron ladder (8) is set on rear side of main tank (1)；Entire case
Concrete bed (4) is laid under body, concrete bed (4) both sides open up draining water channel (5)；In main tank (1) and water tank (2) both sides
Water-level observation hole (6) is mounted equidistant；Right side water tank (2) outer wall is equipped with display system (3)；
The handling soil and loading system include mound field (9), the native channel (10) of handling, excavator (12), packaged type girder steel
Frame and pressue device；Mound field (9) by steel plate, angle steel, be bolted and form, the native channel of mound field (9) one end connection handling
(10)；The native channel (10) of handling is that belt-type loads and unloads native channel, loads and unloads native channel (10) upper end and belt pulley is arranged, put down on belt pulley
Face, which also serves as, unloads native platform, loads and unloads native channel (10) lower end and mounts mound field (9) eminence with concrete pier (11)；Packaged type girder steel
Frame is made of steel column (13), fixed I-steel girder (15) and moveable I-shaped gooseneck (16), and I-shaped gooseneck (16) is sliding
Dynamic side is equipped with the linear guide；Excavator (12) can move on I-shaped gooseneck (16)；Pressue device includes hydraulic jack
(19) and load plate (17) hydraulic jack (19), hydraulic jack (19) lower end, are equipped each on I-shaped gooseneck (16)
Fixed load plate (17), hydraulic jack (19) can slide on I-shaped gooseneck (16).
2. multi-functional foundation pit model assay systems equipment according to claim 1, it is characterised in that：In the main tank (1)
Pre-buried prefabricated tunnel model and laying monitoring element.
3. multi-functional foundation pit model assay systems equipment according to claim 1, it is characterised in that：The Double layer iron ladder
(8) it is highly consistent with main tank (1).
4. multi-functional foundation pit model assay systems equipment according to claim 1, it is characterised in that：Steel column (13) bottom
Portion is equipped with concrete pouring weight (14), and fixed part angle steel is bolted.
5. multi-functional foundation pit model assay systems equipment according to claim 1, it is characterised in that：The mound field (9)
Rear side be equipped with data operation system (18), the data operation system (18) include computer monitor, fiber grating monitoring system,
Water pressure data monitoring system and handling soil and Loading Control System.
6. multi-functional foundation pit model assay systems equipment according to claim 1, it is characterised in that：The excavator (12)
For small-sized excavator, moved on I-shaped gooseneck (16).
7. a kind of application method of multi-functional foundation pit model assay systems equipment as described in claim 1, which is characterized in that packet
Include following steps：
1) using the native channel (10) of handling the soil body is filled to main tank (1) quantification；
2) the pre-buried prefabricated test model in main tank (1) lays monitoring element, opens both sides water tank (2) sluice gate whenever necessary；
3) I-shaped gooseneck (16) position is adjusted, pressing position is directed at；
4) start pressue device, proceed by simulation test, check display data；
5) experiment finishes, and stores data, site clearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810225173.1A CN108316366A (en) | 2018-03-19 | 2018-03-19 | A kind of multi-functional foundation pit model assay systems equipment and its application method |
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| CN201810225173.1A CN108316366A (en) | 2018-03-19 | 2018-03-19 | A kind of multi-functional foundation pit model assay systems equipment and its application method |
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Cited By (4)
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| CN109342095A (en) * | 2018-09-28 | 2019-02-15 | 沈阳工业大学 | Under wear shallow earthing waters piping lane shield tunnel model test and leakage early warning system |
| CN110424475A (en) * | 2019-07-09 | 2019-11-08 | 浙江工业大学 | The simulator of long and narrow pit accident deformation under the conditions of a kind of bias and seepage flow |
| CN111042228A (en) * | 2019-12-29 | 2020-04-21 | 北京中岩大地科技股份有限公司 | Multifunctional stirring model test box and use method thereof |
| CN114193606A (en) * | 2021-12-10 | 2022-03-18 | 上海公路桥梁（集团）有限公司 | Assembly type cement concrete plate production equipment and installation and use method thereof |
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| JP2001241289A (en) * | 2000-02-29 | 2001-09-04 | Shimizu Corp | Method and faciliteis for testing tunnel stability |
| CN101086494A (en) * | 2007-07-03 | 2007-12-12 | 浙江大学 | Foundation and slope engineering model test platform |
| CN107012896A (en) * | 2017-03-20 | 2017-08-04 | 山东大学 | A kind of Multifunctional pile base model assay systems and its assembling and test method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342095A (en) * | 2018-09-28 | 2019-02-15 | 沈阳工业大学 | Under wear shallow earthing waters piping lane shield tunnel model test and leakage early warning system |
| CN110424475A (en) * | 2019-07-09 | 2019-11-08 | 浙江工业大学 | The simulator of long and narrow pit accident deformation under the conditions of a kind of bias and seepage flow |
| CN110424475B (en) * | 2019-07-09 | 2024-03-26 | 浙江工业大学 | Simulator for bulging deformation of long and narrow foundation pit under bias and seepage conditions |
| CN111042228A (en) * | 2019-12-29 | 2020-04-21 | 北京中岩大地科技股份有限公司 | Multifunctional stirring model test box and use method thereof |
| CN111042228B (en) * | 2019-12-29 | 2024-02-13 | 北京中岩大地科技股份有限公司 | Multifunctional stirring model test box and application method thereof |
| CN114193606A (en) * | 2021-12-10 | 2022-03-18 | 上海公路桥梁（集团）有限公司 | Assembly type cement concrete plate production equipment and installation and use method thereof |
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