CN106906815A - Foundation bearing capacity and side friction measurement apparatus and its application method - Google Patents
Foundation bearing capacity and side friction measurement apparatus and its application method Download PDFInfo
- Publication number
- CN106906815A CN106906815A CN201710135854.4A CN201710135854A CN106906815A CN 106906815 A CN106906815 A CN 106906815A CN 201710135854 A CN201710135854 A CN 201710135854A CN 106906815 A CN106906815 A CN 106906815A
- Authority
- CN
- China
- Prior art keywords
- housing
- side friction
- bearing capacity
- measurement apparatus
- fixedly connected
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of foundation bearing capacity and side friction measurement apparatus and its application method, measurement apparatus include：Housing, it is the cylindrical of inner hollow, and the bottom-open of housing, the bottom of the side wall of housing has the conical surface；Bearing plate, it is truncated cone-shaped, and bearing plate is arranged on the bottom of housing, the diameter of the bottom of bearing plate is equal to the external diameter of housing, bearing plate is coaxially disposed with housing, and the side wall of bearing plate is not contacted with the conical surface, and the top of bearing plate height higher than the conical surface bottom height；Transmission rod, its bottom is fixedly connected with the center at the top of bearing plate；Pressure detecting instrument, it is arranged between the top of housing and transmission rod, and is fixedly connected with the top of housing and transmission rod respectively；Tension gauge, its top for being installed in housing, and positioned at the top of housing；Force-transmitting pole, its top for being arranged vertically at tension gauge.The present invention can be obtained and actual ground the situation identical preferable ultimate bearing capacity of foundation soil of property and side friction value.
Description
Technical field
Determine field the present invention relates to foundation soil property.It is more particularly related to a kind of foundation bearing capacity and
Side friction measurement apparatus and its application method.
Background technology
China region is wide, and engineering geological condition is more complicated, in Geotechnical Engineering standard, foundation bearing capacity and side
The determination of frictional resistance is the important content of Foundation Design, be also in soil mechanics academic opinion difference than larger problem.Current one
As determine foundation bearing capacity and side friction value according to specification regulation, but rubbed using foundation bearing capacity determined by the method and side
Resistance Value is often relatively conservative, and ground performance can not be given full play to a certain extent, and structure design is partial to conservative, wave is caused indirectly
Take.And know foundation bearing capacity limiting value for some requirement of engineering, and survey data or specification typically provides foundation bearing
The characteristic value of power, is multiplied by limiting value of the empirical coefficient as foundation bearing capacity on this basis, and the limit that this kind of method draws is held
Force value is carried often to be had greater difference with practically base stage limit bearing capacity value.In terms of side friction determination, specification provides value often
Relatively guard, and side friction value size between given structure and the soil body, also seldom consider structural material to side friction
It is worth influence.Therefore, accurate foundation bearing capacity and side friction value how to be obtained either to structure design or work
Journey construction is respectively provided with larger benefit.
The content of the invention
It is an object of the invention to provide a kind of foundation bearing capacity and side friction measurement apparatus and its application method, to obtain
With actual ground the situation identical preferable ultimate bearing capacity of foundation soil of property and side friction value.
In order to realize these purposes of the invention and further advantage, there is provided a kind of foundation bearing capacity and side friction
Measurement apparatus, including：
Housing, it is the cylindrical of inner hollow, and vertically sets, and the bottom-open of the housing is described
The bottom of the side wall of housing has from its madial wall towards its lateral wall inclined conical surface gradually downward；
Bearing plate, it is the up-small and down-big truncated cone-shaped of diameter, and the bearing plate is arranged on the bottom of the housing, described to hold
The diameter of the bottom of pressing plate is equal to the external diameter of the housing, and the bearing plate is coaxially disposed with the housing, the bearing plate
Side wall is not contacted with the conical surface, and the top of the bearing plate height higher than the conical surface bottom height；
Transmission rod, it is vertically set, and the bottom of the transmission rod is fixed with the center at the top of the bearing plate
Connection；
Pressure detecting instrument, it is arranged between the top of the housing and the transmission rod, and respectively with the housing
Top is fixedly connected with the transmission rod；
Tension gauge, its top for being installed in the housing, and positioned at the top of the housing；
Force-transmitting pole, its top for being arranged vertically at the tension gauge.
Preferably, in described foundation bearing capacity and side friction measurement apparatus, also include：
Connecting rod, it is arranged vertically in the housing, the top of the top of the connecting rod and the housing
Center be fixedly connected, the bottom of the connecting rod is fixedly connected with the pressure detecting instrument, the pressure detecting instrument pass through institute
Connecting rod is stated to be fixedly connected with the top of the housing；
Support bar, it is vertically set, and the bottom of the support bar is fixed with the center at the top of the housing to be connected
Connect, the top of the support bar is fixedly connected with the tension gauge, the tension gauge passes through the support bar and institute
State and be fixedly connected at the top of housing.
Preferably, in described foundation bearing capacity and side friction measurement apparatus, the transmission rod is by integrally formed
Upper and bottom section is constituted, and the upper part and the lower part are cylindrical, and is coaxially set with the housing respectively
Put, the diameter with diameter greater than the lower part of the upper part, the pressure detecting instrument is fixed with the top of the upper part
Connection.
Preferably, in described foundation bearing capacity and side friction measurement apparatus, also include：
Stress transmission plate one, it is arranged between the pressure detecting instrument and the connecting rod, and respectively with the pressure
Detector is fixedly connected with the connecting rod, and the size of the cross section of the stress transmission plate one is transversal more than the connecting rod
The size in face.
Preferably, in described foundation bearing capacity and side friction measurement apparatus, the stress transmission plate one and described
Connecting rod is cylindrical, and is coaxially disposed with the housing respectively.
Preferably, in described foundation bearing capacity and side friction measurement apparatus, also include：
Stress transmission plate two, it is arranged between the support bar and the tension gauge, and respectively with the support
Bar is fixedly connected with the tension gauge, and the size of the cross section of the stress transmission plate two is transversal more than the support bar
The size in face.
Preferably, in described foundation bearing capacity and side friction measurement apparatus, the stress transmission plate two and described
Support bar is cylindrical, and is coaxially disposed with the housing respectively.
Preferably, in described foundation bearing capacity and side friction measurement apparatus, also include：
Stress transmission plate three, it is arranged between the tension gauge and the force-transmitting pole, and respectively with the stress
Detector is fixedly connected with the force-transmitting pole, and the size of the cross section of the stress transmission plate three is transversal more than the force-transmitting pole
The size in face.
Preferably, in described foundation bearing capacity and side friction measurement apparatus, the stress transmission plate three and described
Force-transmitting pole is cylindrical, and is coaxially disposed with the housing respectively.
The application method of a kind of foundation bearing capacity and side friction measurement apparatus, comprises the following steps：
Step one, by it is required detection bearing capacity and side friction surface of stratum leveling, bearing plate is placed in the horizontal direction
In surface of stratum；
Step 2, using loading system straight down, power straight down is applied on force-transmitting pole, make bearing plate pressure
Carry ground to move downward, the detected value on record pressure detecting instrument and tension gauge is vertical on force-transmitting pole with acting on
Downward power increases, and ground is destroyed, and now the detected value on pressure detecting instrument is foundation bearing capacity limiting value, stress mornitoring
The difference of the detected value on detected value and pressure detecting instrument on instrument is to act on the Anti-pressure side friction on housing；
Step 3, after bearing plate buries certain depth, using loading system straight up, by masterpiece straight up
Use on force-transmitting pole, the detected value on record tension gauge, the detected value on tension gauge is and acts on housing
Pulling-resistant type side friction.
The present invention at least includes following beneficial effect：
The ultimate bearing capacity of foundation soil and side friction value obtained by the present invention can preferably be coincide with actual ground situation,
And in terms of side friction determination, it is also considered that influence of the structural material to side friction value.
Accurate foundation bearing capacity and side friction value can be obtained by the present invention, had to structure design and engineering construction
There is larger benefit.
The present invention can simultaneously measure ultimate bearing capacity of foundation soil and side friction value, and simple structure, easy to use.
Further advantage of the invention, target and feature embody part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of foundation bearing capacity of the present invention and side friction measurement apparatus.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be noted that in the description of the invention, term " transverse direction ", " longitudinal direction ", " on ", D score, "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are based on accompanying drawing institute
The orientation or position relationship for showing, are for only for ease of the description present invention and simplify description, are not the dress for indicating or implying meaning
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the invention
System.
As shown in figure 1, the present invention provides foundation bearing capacity and side friction measurement apparatus, including：
Housing 100 (i.e. side friction power transmission arm), it is the cylindrical of inner hollow, and vertically sets, institute
The bottom-open of housing 100 is stated, the bottom of the side wall of the housing 100 has from its madial wall towards its lateral wall gradually downward
The inclined conical surface 101；When actually used, when wanting to obtain the side friction between steel and the soil body, from steel construction as housing
100 materials；When wanting to obtain the side friction between concrete and the soil body, from armored concrete as the material of housing 100.
Bearing plate 110, it is the up-small and down-big truncated cone-shaped of diameter, and the bearing plate 110 is arranged on the bottom of the housing 100
Portion, the diameter of the bottom of the bearing plate 110 is equal to the external diameter of the housing 100, the bearing plate 110 and the housing 100
It is coaxially disposed, the side wall of the bearing plate 110 is not contacted with the conical surface 101, and the height at the top of the bearing plate 110 is high
In the height of the bottom of the conical surface 101；Formed so between the conical surface 101 and bearing plate 110 and intercept seam 102, by bearing plate
110 separate with housing 100 so that in the absence of the transmission of power between bearing plate 110 and housing 100, and intercepting seam 102 can use rigidity
The good rubber elastomeric material filling of small, compressibility, had both prevented soil layer from entering in obstruct seam 102, and bearing plate 110 is made again vertical
Under upward counter-force effect, the power transmitted to housing 100 is smaller.
Transmission rod 120, it is vertically set, the bottom of the transmission rod 120 and the top of the bearing plate 110
Center is fixedly connected；
Pressure detecting instrument 130, it is arranged between the top of the housing 100 and the transmission rod 120, and respectively with institute
The top for stating housing 100 is fixedly connected with the transmission rod 120；Pressure detecting instrument 130 is that can detect pressure in the prior art
Instrument, it can only detect the power that transmission rod 120 is communicated up.
Tension gauge 140, its top for being installed in the housing 100, and positioned at the top of the housing 100；Stress
Detector 140 is that can detect the instrument of tension and compression in the prior art, its can detect to its downward pulling force and to
On pressure.
Force-transmitting pole 150, its top for being arranged vertically at the tension gauge 140.
The foundation bearing capacity and side friction measurement apparatus provided using this programme are measured foundation bearing capacity, Anti-pressure side and rubbed
The method of resistance and pulling-resistant type side friction, comprises the following steps：
Step one, by it is required detection bearing capacity and side friction surface of stratum leveling, bearing plate 110 is put in the horizontal direction
It is placed in the surface of stratum；
Step 2, using loading system straight down, power straight down is applied on force-transmitting pole 150, make pressure-bearing
The ballast ground of plate 110 is moved downward, and the soil body gives the counter-force straight up of bearing plate 110 1, and counter-force straight up is by holding
Pressing plate 110 passes to transmission rod 120, and counter-force straight up is passed to pressure detecting instrument 130, pressure detecting by transmission rod 120
Instrument 130 records and detects the counter-force size straight up suffered by bearing plate 110, then by pressure detecting instrument 130 will vertically to
On counter-force pass to top and the tension gauge 140 of housing 100 successively, meanwhile, between the lateral wall and the soil body of housing 100
Anti-pressure side friction is produced, and Anti-pressure side friction is passed to by tension gauge 140, stress mornitoring by housing 100
Detected value on instrument 140 is to act on the total load head on force-transmitting pole 150, with act on force-transmitting pole 150 straight down
Power increases, and ground is destroyed, and now the detected value on pressure detecting instrument 130 is foundation bearing capacity limiting value, tension gauge
The difference of the detected value on detected value and pressure detecting instrument 130 on 140 is to act on the Anti-pressure side friction on housing 100；
Step 3, after measurement apparatus bury certain depth, using loading system straight up, by power straight up
It is applied on force-transmitting pole 150, pulling-resistant type side friction is produced between the lateral wall and the soil body of housing 100, and will by housing 100
Pulling-resistant type side friction passes to tension gauge 140, and the detected value on tension gauge 140 is and acts on housing 100
Pulling-resistant type side friction.
In described foundation bearing capacity and side friction measurement apparatus, also include：
Connecting rod 160, it is arranged vertically in the housing 100, the top of the connecting rod 160 and the shell
The center at the top of body 100 is fixedly connected, and the bottom of the connecting rod 160 is fixedly connected with the pressure detecting instrument 130, described
Pressure detecting instrument 130 is fixedly connected by the connecting rod 160 with the top of the housing 100；
Support bar 170, it is vertically set, in the bottom of the support bar 170 and the top of the housing 100
Centre is fixedly connected, and the top of the support bar 170 is fixedly connected with the tension gauge 140, and the tension gauge 140 leads to
The support bar 170 is crossed to be fixedly connected with the top of the housing 100.
The foundation bearing capacity and side friction measurement apparatus provided using this programme are measured foundation bearing capacity, Anti-pressure side and rubbed
The method of resistance and pulling-resistant type side friction, comprises the following steps：
Step one, by it is required detection bearing capacity and side friction surface of stratum leveling, bearing plate 110 is put in the horizontal direction
It is placed in the surface of stratum；
Step 2, using loading system straight down, power straight down is applied on force-transmitting pole 150, make pressure-bearing
The ballast ground of plate 110 is moved downward, and the soil body gives the counter-force straight up of bearing plate 110 1, and counter-force straight up is by holding
Pressing plate 110 passes to transmission rod 120, and counter-force straight up is passed to pressure detecting instrument 130, pressure detecting by transmission rod 120
Instrument 130 records and detects the counter-force size straight up suffered by bearing plate 110, then by pressure detecting instrument 130 will vertically to
On counter-force pass to connecting rod 160, the top of housing 100, support bar 170 and tension gauge 140 successively, meanwhile, housing
Anti-pressure side friction is produced between 100 lateral wall and the soil body, and Anti-pressure side friction is delivered to by branch by housing 100
Strut 170, then Anti-pressure side friction is passed to by tension gauge 140 by support bar 170, on tension gauge 140
Detected value is to act on the total load head on force-transmitting pole 150, as the power straight down acted on force-transmitting pole 150 increases, ground
Base is destroyed, and now the detected value on pressure detecting instrument 130 is foundation bearing capacity limiting value, the inspection on tension gauge 140
The difference of the detected value on measured value and pressure detecting instrument 130 is to act on the Anti-pressure side friction on housing 100；
Step 3, after measurement apparatus bury certain depth, using loading system straight up, by power straight up
It is applied on force-transmitting pole 150, pulling-resistant type side friction is produced between the lateral wall and the soil body of housing 100, and will by housing 100
Pulling-resistant type side friction is delivered to support bar 170, then pulling-resistant type side friction is passed into tension gauge by support bar 170
140, the detected value on tension gauge 140 is the pulling-resistant type side friction acted on housing 100.
Unit area frictional resistance size between the soil body and housing 100, can be according to corresponding side friction value divided by housing
Contact area is obtained between 100 and soil layer.
It is negligible because gravity suffered by each part on device is smaller compared to the value of foundation bearing capacity and side friction,
Detection more than thus have ignored the gravity of each part of device.
In described foundation bearing capacity and side friction measurement apparatus, the transmission rod 120 is by integrally formed upper part
It is grouped into bottom, the upper part and the lower part are cylindrical, and is coaxially disposed with the housing 100 respectively,
The diameter with diameter greater than the lower part of the upper part, the pressure detecting instrument 130 is fixed with the top of the upper part
Connection.Upper part is used to install pressure detecting instrument 130, and upper part is relatively large in diameter, and such lifting surface area is larger, can protect pressure
Detector 130, prevents it to be subject to crushing, and when upper part is thicker, can save the making material of lower part.
In described foundation bearing capacity and side friction measurement apparatus, also include：
Stress transmission plate 1, it is arranged between the pressure detecting instrument 130 and the connecting rod 160, and respectively with
The pressure detecting instrument 130 is fixedly connected with the connecting rod 160, and the size of the cross section of the stress transmission plate 1 is big
In the size of the cross section of the connecting rod 160.I.e. pressure detecting instrument 130 is connected by stress transmission plate 1 with connecting rod 160
Connect, such lifting surface area is larger, pressure detecting instrument 130 can be protected, prevent it to be subject to crushing.
In described foundation bearing capacity and side friction measurement apparatus, the stress transmission plate 1 and the connecting rod
160 are cylindrical, and are coaxially disposed with the housing 100 respectively.
In described foundation bearing capacity and side friction measurement apparatus, also include：
Stress transmission plate 2 190, it is arranged between the support bar 170 and the tension gauge 140, and respectively with
The support bar 170 is fixedly connected with the tension gauge 140, and the size of the cross section of the stress transmission plate 2 190 is big
In the size of the cross section of the support bar 170.I.e. tension gauge 140 is connected by stress transmission plate 2 190 with support bar 170
Connect, such lifting surface area is larger, tension gauge 140 can be protected, prevent it to be subject to crushing.
In described foundation bearing capacity and side friction measurement apparatus, the stress transmission plate 2 190 and the support bar
170 are cylindrical, and are coaxially disposed with the housing 100 respectively.
In described foundation bearing capacity and side friction measurement apparatus, also include：
Stress transmission plate 3 200, it is arranged between the tension gauge 140 and the force-transmitting pole 150, and respectively with
The tension gauge 140 is fixedly connected with the force-transmitting pole 150, and the size of the cross section of the stress transmission plate 3 200 is big
In the size of the cross section of the force-transmitting pole 150.I.e. tension gauge 140 is connected by stress transmission plate 3 200 with force-transmitting pole 150
Connect, such lifting surface area is larger, tension gauge 140 can be protected, prevent it to be subject to crushing.
In described foundation bearing capacity and side friction measurement apparatus, the stress transmission plate 3 200 and the force-transmitting pole
150 are cylindrical, and are coaxially disposed with the housing 100 respectively.
In described foundation bearing capacity and side friction measurement apparatus, the cone angle of the bearing plate 110 and the conical surface 101
Cone angle it is equal, the height of the height at the top of the bearing plate 110 less than the top of the conical surface 101.
In described foundation bearing capacity and side friction measurement apparatus, side wall and the conical surface 101 of the bearing plate 110
Between be filled with rubber.
The application method of a kind of foundation bearing capacity and side friction measurement apparatus, comprises the following steps：
Step one, by it is required detection bearing capacity and side friction surface of stratum leveling, bearing plate is placed in the horizontal direction
In surface of stratum；
Step 2, using loading system straight down, power straight down is applied on force-transmitting pole, make bearing plate pressure
Carry ground to move downward, the detected value on record pressure detecting instrument and tension gauge is vertical on force-transmitting pole with acting on
Downward power increases, and ground is destroyed, and now the detected value on pressure detecting instrument is foundation bearing capacity limiting value, stress mornitoring
The difference of the detected value on detected value and pressure detecting instrument on instrument is to act on the Anti-pressure side friction on housing；
Step 3, after bearing plate buries certain depth, using loading system straight up, by masterpiece straight up
Use on force-transmitting pole, the detected value on record tension gauge, the detected value on tension gauge is and acts on housing
Pulling-resistant type side friction.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (10)
1. a kind of foundation bearing capacity and side friction measurement apparatus, it is characterised in that including：
Housing, it is the cylindrical of inner hollow, and vertically sets, the bottom-open of the housing, the housing
The bottom of side wall have from its madial wall towards its lateral wall inclined conical surface gradually downward；
Bearing plate, it is the up-small and down-big truncated cone-shaped of diameter, and the bearing plate is arranged on the bottom of the housing, the bearing plate
The diameter of bottom be equal to the external diameter of the housing, the bearing plate is coaxially disposed with the housing, the side wall of the bearing plate
Do not contacted with the conical surface, and the top of the bearing plate height higher than the conical surface bottom height；
Transmission rod, it is vertically set, and the bottom of the transmission rod is fixedly connected with the center at the top of the bearing plate；
Pressure detecting instrument, it is arranged between the top of the housing and the transmission rod, and respectively with the top of the housing
It is fixedly connected with the transmission rod；
Tension gauge, its top for being installed in the housing, and positioned at the top of the housing；
Force-transmitting pole, its top for being arranged vertically at the tension gauge.
2. foundation bearing capacity as claimed in claim 1 and side friction measurement apparatus, it is characterised in that also include：
Connecting rod, it is arranged vertically in the housing, in the top of the connecting rod and the top of the housing
Centre is fixedly connected, and the bottom of the connecting rod is fixedly connected with the pressure detecting instrument, and the pressure detecting instrument passes through the company
Extension bar is fixedly connected with the top of the housing；
Support bar, it is vertically set, and the bottom of the support bar is fixedly connected with the center at the top of the housing, institute
The top for stating support bar is fixedly connected with the tension gauge, and the tension gauge passes through the support bar and the housing
Top be fixedly connected.
3. foundation bearing capacity as claimed in claim 1 and side friction measurement apparatus, it is characterised in that the transmission rod is by one
Body formed upper and bottom section composition, the upper part and the lower part are cylindrical, and respectively with the shell
Body is coaxially disposed, the diameter with diameter greater than the lower part of the upper part, the pressure detecting instrument and the upper part
Top is fixedly connected.
4. foundation bearing capacity as claimed in claim 2 and side friction measurement apparatus, it is characterised in that also include：
Stress transmission plate one, it is arranged between the pressure detecting instrument and the connecting rod, and respectively with the pressure detecting
Instrument is fixedly connected with the connecting rod, and the size of the cross section of the stress transmission plate one is more than the cross section of the connecting rod
Size.
5. foundation bearing capacity as claimed in claim 4 and side friction measurement apparatus, it is characterised in that the stress transmission plate
One and the connecting rod be cylindrical, and be coaxially disposed with the housing respectively.
6. foundation bearing capacity as claimed in claim 2 and side friction measurement apparatus, it is characterised in that also include：
Stress transmission plate two, it is arranged between the support bar and the tension gauge, and respectively with the support bar and
The tension gauge is fixedly connected, and the size of the cross section of the stress transmission plate two is more than the cross section of the support bar
Size.
7. foundation bearing capacity as claimed in claim 6 and side friction measurement apparatus, it is characterised in that the stress transmission plate
Two and the support bar be cylindrical, and be coaxially disposed with the housing respectively.
8. foundation bearing capacity as claimed in claim 1 and side friction measurement apparatus, it is characterised in that also include：
Stress transmission plate three, it is arranged between the tension gauge and the force-transmitting pole, and respectively with the stress mornitoring
Instrument is fixedly connected with the force-transmitting pole, and the size of the cross section of the stress transmission plate three is more than the cross section of the force-transmitting pole
Size.
9. foundation bearing capacity as claimed in claim 8 and side friction measurement apparatus, it is characterised in that the stress transmission plate
Three and the force-transmitting pole be cylindrical, and be coaxially disposed with the housing respectively.
10. the application method of a kind of foundation bearing capacity and side friction measurement apparatus, it is characterised in that comprise the following steps：
Step one, by it is required detection bearing capacity and side friction surface of stratum leveling, bearing plate is positioned over ground in the horizontal direction
Layer surface；
Step 2, using loading system straight down, power straight down is applied on force-transmitting pole, make bearing plate ballast ground
Base is moved downward, the detected value on record pressure detecting instrument and tension gauge, with acting on force-transmitting pole straight down
Power increase, ground destroys, and now the detected value on pressure detecting instrument is foundation bearing capacity limiting value, on tension gauge
Detected value and pressure detecting instrument on the difference of detected value be to act on the Anti-pressure side friction on housing；
Step 3, after bearing plate buries certain depth, using loading system straight up, power straight up is applied to
On force-transmitting pole, the detected value on record tension gauge, the detected value on tension gauge is the resistance to plucking acted on housing
Type side friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710135854.4A CN106906815B (en) | 2017-03-08 | 2017-03-08 | Foundation bearing capacity and side friction measuring device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710135854.4A CN106906815B (en) | 2017-03-08 | 2017-03-08 | Foundation bearing capacity and side friction measuring device and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106906815A true CN106906815A (en) | 2017-06-30 |
| CN106906815B CN106906815B (en) | 2019-01-04 |
Family
ID=59186269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710135854.4A Active CN106906815B (en) | 2017-03-08 | 2017-03-08 | Foundation bearing capacity and side friction measuring device and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106906815B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844823A (en) * | 2018-06-20 | 2018-11-20 | 中交第二航务工程局有限公司 | Measure any depth soil layer side friction device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4614110A (en) * | 1984-06-08 | 1986-09-30 | Osterberg Jorj O | Device for testing the load-bearing capacity of concrete-filled earthen shafts |
| CN202175940U (en) * | 2011-07-08 | 2012-03-28 | 华侨大学 | Test device for bearing capacity of foundation soil |
| CN103088850A (en) * | 2013-01-17 | 2013-05-08 | 东南大学 | Cycle friction sleeve barrel device for evaluating periodic load pile side friction |
| CN103116189A (en) * | 2013-01-21 | 2013-05-22 | 浙江大学 | In-situ continuous penetrating probe used in non-aqueous phase liquids (NAPLs) polluted sandy soil field investigation |
| CN105133563A (en) * | 2015-08-25 | 2015-12-09 | 盐城工学院 | In-situ test method and device for rapidly determining shear strength of deep soil |
| CN206680981U (en) * | 2017-03-08 | 2017-11-28 | 中交第二航务工程局有限公司 | Foundation bearing capacity and side friction measurement apparatus |
-
2017
- 2017-03-08 CN CN201710135854.4A patent/CN106906815B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4614110A (en) * | 1984-06-08 | 1986-09-30 | Osterberg Jorj O | Device for testing the load-bearing capacity of concrete-filled earthen shafts |
| CN202175940U (en) * | 2011-07-08 | 2012-03-28 | 华侨大学 | Test device for bearing capacity of foundation soil |
| CN103088850A (en) * | 2013-01-17 | 2013-05-08 | 东南大学 | Cycle friction sleeve barrel device for evaluating periodic load pile side friction |
| CN103116189A (en) * | 2013-01-21 | 2013-05-22 | 浙江大学 | In-situ continuous penetrating probe used in non-aqueous phase liquids (NAPLs) polluted sandy soil field investigation |
| CN105133563A (en) * | 2015-08-25 | 2015-12-09 | 盐城工学院 | In-situ test method and device for rapidly determining shear strength of deep soil |
| CN206680981U (en) * | 2017-03-08 | 2017-11-28 | 中交第二航务工程局有限公司 | Foundation bearing capacity and side friction measurement apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844823A (en) * | 2018-06-20 | 2018-11-20 | 中交第二航务工程局有限公司 | Measure any depth soil layer side friction device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106906815B (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205475370U (en) | Vertical resistance to compression detection device of single pile | |
| CN101614021B (en) | Moment test device | |
| CN206680981U (en) | Foundation bearing capacity and side friction measurement apparatus | |
| CN106836322A (en) | A kind of test device and its operating method of the experiment of screw anchor vertically pulling-resistant | |
| CN106498989A (en) | Hole bottom pile foundation level carries detection sensor conductive wire protection apparatus and method | |
| CN106906815A (en) | Foundation bearing capacity and side friction measurement apparatus and its application method | |
| CN105241648B (en) | Simulate the loading device and its application method of loess tunnel lock pin anchor tube termination stress | |
| CN106153470B (en) | Rock anchor rod pull-up testing device | |
| JP6069761B2 (en) | Penetration type lateral loading test method and penetration type lateral loading test apparatus | |
| CN102890034B (en) | Site direct-shearing rheological testing method and device | |
| CN206902781U (en) | The detection means of anchor pole internal force exterior measuring | |
| CN205894050U (en) | Novel static probing device | |
| CN113686697A (en) | Direct shear test device for field coarse-grained soil under dry-wet cycle condition and use method thereof | |
| CN102012349A (en) | Dynamic sounding device | |
| CN109695240B (en) | All-terrain static sounding counter-force support and mounting method | |
| CN106840904A (en) | A kind of axle anisobaric of rock three is loaded and monitoring device | |
| CN205062789U (en) | Portable T type sounding appearance | |
| CN104032720B (en) | It is applicable to test method and the device of deep supporting course bearing capacity | |
| CN106284273B (en) | It is a kind of be used to evaluating sand liquefaction test resistance to plucking drag power feeler inspection device | |
| CN111636876A (en) | Method for detecting stress of key position of shield body of large-diameter shield machine | |
| Li et al. | Seismic response of soil slope reinforced by compression anchor and frame beam based on shaking table test | |
| CN105862944A (en) | Full-scale testing apparatus for spread foundations | |
| KR100954501B1 (en) | Load testing apparatus for pile | |
| CN108286250A (en) | A kind of deep layer dynamic sounding energy test device and its test method | |
| CN209873762U (en) | Foundation strength detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210906 Address after: 430048 No. 11 Jinyinhu Road, Dongxihu District, Wuhan City, Hubei Province Patentee after: CCCC SECOND HARBOR ENGINEERING Co.,Ltd. Patentee after: CCCC WUHAN CHI HENG INTERNATIONAL ENGINEERING CONSULTING Co.,Ltd. Patentee after: CCCC HIGHWAY BRIDGES NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Address before: 430048 No. 11 Jinyinhu Road, Dongxihu District, Wuhan City, Hubei Province Patentee before: CCCC SECOND HARBOR ENGINEERING Co.,Ltd. Patentee before: CCCC WUHAN CHI HENG INTERNATIONAL ENGINEERING CONSULTING Co.,Ltd. |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yongtao Inventor after: Feng Deding Inventor after: Jiang Daodong Inventor after: He Zuhao Inventor after: Luo Huiwu Inventor after: Yang Zhao Inventor after: Chen Peishuai Inventor after: Yu Cun Inventor after: Yang Qing Inventor after: Li Dejie Inventor after: Kong Qian Inventor after: Xu Chao Inventor after: Yan Xinyu Inventor before: Yang Zhao Inventor before: Jiang Daodong Inventor before: He Zuhao Inventor before: Luo Huiwu Inventor before: Chen Peishuai Inventor before: Yu Cun Inventor before: Yang Qing Inventor before: Li Dejie Inventor before: Kong Qian Inventor before: Xu Chao Inventor before: Yan Xinyu Inventor before: Feng Deding |