CN108035389A - A kind of foundation static test measurement ancillary equipment - Google Patents
A kind of foundation static test measurement ancillary equipment Download PDFInfo
- Publication number
- CN108035389A CN108035389A CN201810086546.1A CN201810086546A CN108035389A CN 108035389 A CN108035389 A CN 108035389A CN 201810086546 A CN201810086546 A CN 201810086546A CN 108035389 A CN108035389 A CN 108035389A
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- dovetail groove
- screw
- riser
- starting stave
- ancillary equipment
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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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to a kind of foundation static test measurement ancillary equipment, including iron pan, starting stave, second riser, transverse slat, 3rd riser, multiple first screws, second screw, the side of second riser is provided with dovetail groove, the side of starting stave is installed with and the matched convex block of dovetail groove, the first screw hole being adapted with the first screw is additionally provided with starting stave, the both sides of dovetail groove are respectively arranged with multiple kidney ellipsoid first through hole, the upper end of starting stave is installed with protrusive board, protrusive board outer cover is equipped with cleaning sleeve, brush filament is provided between cleaning sleeve and the inner wall of dovetail groove, the upper end of protrusive board is installed with triangular shape convex portion.The foundation static test measurement ancillary equipment is simple in structure, easy to use, even if the depth tested pits is too deep, also can easily set up displacement meter, the height of displacement meter is easy to adjust and is not likely to produce error, and implementation result is good.
Description
Technical field
The present invention relates to a kind of foundation static test measurement ancillary equipment, belong to architecture engineering material performance test
Equipment technical field.
Background technology
In order to improve foundation bearing capacity, the technical measures that improve its deformation performance or permeance property and take, are known as ground
Processing.Basement process includes changing filling out bed course, precompressed ground, rammed subgrade, compacting foundation and grouting and reinforcing etc., and processing groundwork is quiet
Load test main points are to examine the bearing capacity parameter of soil layer in the processing main coverage of groundwork bearing plate stress.It is flat
The pressing plate area that plate static load test uses should examine the thickness of the layer to determine on demand, and no less than 1.0m2；To compacting ground
Base, not preferably less than 2.0m2.Composite foundation static load test is suitable for Pile Composite Foundation static load test and more pile composite foundations
Static load test, composite foundation static load test are used for the carrying for measuring composite earth layer in the main coverage of stress under bearing plate
Power.Composite foundation static load test bearing plate should have enough rigidity.The bearing plate of Pile Composite Foundation static load test can use
Circular or square, area is the processing area that a pile undertakes；The bearing plate of more pile composite foundation static load tests can be with square
Or rectangle, its size are determined by the processing area that actual stake number is undertaken.The center of Pile Composite Foundation static load test stake（Or
The centre of form）It should be consistent with bearing plate center, and coincide with load point.
Experiment should be carried out in design of pile top absolute altitude.Coarse sand or middle sand bedding course, cushion thickness are preferably laid with below bearing plate bottom surface
Desirable 100mm ~ 150mm.At experiment absolute altitude test pits width and length is no less than 3 times of plate size.Datum line beam and add
Lotus platform fulcrum（Or anchoring pile）Preferably it is located at beyond testing pits, and 2m is no less than with the clear distance of pressure-bearing edges of boards.
According to《Building foundation treatment technical specification》Requirement, foundation pile erection is beyond testing pits, when testing pits sometimes too deep,
Cause measurement displacement meter not set up, generally often displacement meter is tied up in the lower end of a steel pipe and then again ties up the upper end of steel pipe
On datum line beam, aforesaid operations not only bother, and the height of displacement meter adjusts trouble and is also easy to produce error.
The content of the invention
The present invention is set in view of the deficienciess of the prior art, providing a kind of foundation static test measurement with auxiliary
Standby, concrete technical scheme is as follows：
A kind of foundation static test measurement ancillary equipment, including it is iron pan, starting stave, the second riser, transverse slat, the 3rd perpendicular
Plate, multiple first screws, the second screw, the starting stave are mutually perpendicular to iron pan, the lower end of the starting stave and iron pan
Side be fixedly connected, the side of second riser is provided with dovetail groove, and the side of the starting stave is installed with and dovetail
The matched convex block of groove, is additionally provided with the first screw hole being adapted with the first screw on the starting stave, the dovetail groove
Both sides are respectively arranged with multiple kidney ellipsoid first through hole, and the first through hole is connected with dovetail groove；The upper end of the starting stave
Protrusive board is installed with, the protrusive board is arranged on the inside of dovetail groove, and the protrusive board outer cover is equipped with cleaning sleeve, the cleaning sleeve and swallow
Brush filament is provided between the inner wall of stern notch, the tail end of the brush filament is fixedly connected with the side wall of cleaning sleeve；The side of the cleaning sleeve
Wall is additionally provided with the second screw hole being adapted with the second screw, and the upper end of the protrusive board is installed with triangular shape convex portion；The transverse slat
Tail end be fixedly connected with the upper end of the second riser, the upper end of the 3rd riser is fixedly connected with the head end of transverse slat.
As the improvement of above-mentioned technical proposal, the 3rd screw hole being adapted with the second screw is additionally provided with the protrusive board.
As the improvement of above-mentioned technical proposal, the 3rd screw, the 3rd riser are provided with the outside of the 3rd riser
On be additionally provided with the 4th screw hole being adapted with the 3rd screw.
It is interference fit between the cleaning sleeve and protrusive board as the improvement of above-mentioned technical proposal.
As the improvement of above-mentioned technical proposal, the bottom of the iron pan is installed with magnet.
As the improvement of above-mentioned technical proposal, the opposite side of second riser is provided with multiple second through holes, and described
Two through holes are connected with dovetail groove.
Foundation static test measurement ancillary equipment of the present invention is simple in structure, easy to use, even if test pits
Depth is too deep, also can easily set up displacement meter, the height of displacement meter is easy to adjust and is not likely to produce error, implementation result
It is good.
Brief description of the drawings
Fig. 1 is basic static test measuring apparatus structure diagram of the present invention；
Fig. 2 is schematic diagram when basic static test measuring apparatus of the present invention is set up（Vertical view state）；
Fig. 3 is foundation static test measurement ancillary equipment structure diagram of the present invention；
Schematic diagram when Fig. 4 is starting stave of the present invention and the connection of the second riser；
Fig. 5 is A-A views in Fig. 4；
Fig. 6 is the structure diagram of first through hole of the present invention, the second through hole and dovetail groove；
Fig. 7 is the structure diagram of starting stave of the present invention；
Fig. 8 is the structure diagram of cleaning sleeve of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, 2, when basic static test measuring apparatus carries out basic static test, test pits and be provided with ground in 6
Base load plate 2, sets up jack 3 in the central part of ground load plate 2, then support pier 51 is erected to 6 outsides of testing pits,
Girder steel 5 is set up on support pier 51；For supporting the stent 72 of benchmark fine strain of millet 71 to be also erected to test pits 6 outsides, then on stent 72
Set up benchmark fine strain of millet 71；Transmission rod 4 is installed with the piston of jack 3, girder steel 5 is withstood in the upper end of transmission rod 4, for driving thousand
The oil pump 31 on jin top 3 is placed on ground.
The step of basis static test measuring apparatus carries out basic static test is as follows：
1）, in 6 surroundings of testing pits carry out waterproof and drainage measure before experiment, prevent the foundation soil change of moisture content or ground of test site
Base soil disturbance, influences result of the test.
2）, jack 3 can cause that girder steel 5 is withstood in the upper end of transmission rod 4 during upward top, ground load plate 2 by
The reaction force passed over to transmission rod 4, this reaction force is exactly the loading force of ground load plate 2, in the work of loading force
Under, ground load plate 2 may settle；Should not be less than by testing loading classification by 8 grades, and maximum load amount is no less than design will
Seek characteristic load bearing capacity 2 times.
3）, every grade loading after, by specification corresponds to time interval survey read a ground load plate 2 settling amount, it is believed that settle
Become stable, next stage load can be added.Wherein, four displacement meters 7, four displacements are may be provided with the top of ground load plate 2
Count 7 symmetrical, displacement meter 7 is used for measuring the settling amount of ground load plate 2.
4）, when occur following situations for the moment, you can terminate loading, when meet first three situation for the moment, its is corresponding
Previous stage load is set to ultimate load：
1., the significantly lateral extrusion of the soil around ground load plate 2；
2., the hurried increase of settling amount, there is steep drop section in pressure-subsidence curve；
3., under certain level-one load, the rate of settling cannot reach stability criterion in 24h；
4., the accumulative settling amount of ground load plate 2 be more than the 6% of its width or diameter.
As shown in Fig. 3 ~ 8, the foundation static test measurement ancillary equipment, including iron pan 11, starting stave 12,
Second riser 13, transverse slat 14, the 3rd riser 15, multiple first screws 16, the second screw 17, the starting stave 12 and iron pan 11
It is mutually perpendicular to, the lower end of the starting stave 12 is fixedly connected with the side of iron pan 11, and the side of second riser 13 is set
There is dovetail groove 131, the side of the starting stave 12 is installed with convex block 121 matched with dovetail groove 131, the starting stave
It is additionally provided with the first screw hole 124 being adapted with the first screw 16 on 12, the both sides of the dovetail groove 131 are respectively arranged with multiple
Kidney ellipsoid first through hole 132, the first through hole 132 are connected with dovetail groove 131；The upper end of the starting stave 12 is installed with convex
Plate 122, the protrusive board 122 are arranged on the inside of dovetail groove 131, and 122 outer cover of protrusive board is equipped with cleaning sleeve 18, the cleaning
Brush filament 181 is provided between set 18 and the inner wall of dovetail groove 131, the side wall of the tail end and cleaning sleeve 18 of the brush filament 181 is fixed
Connection；The side wall of the cleaning sleeve 18 is additionally provided with the second screw hole 182 being adapted with the second screw 17, the protrusive board 122
Upper end is installed with triangular shape convex portion 123；The tail end of the transverse slat 14 is fixedly connected with the upper end of the second riser 13, and the described 3rd is perpendicular
The upper end of plate 15 is fixedly connected with the head end of transverse slat 14.
The use process of the foundation static test measurement ancillary equipment is as follows：Due to the 3rd riser 15, transverse slat
14 and second riser 13 upper end form n shape structures, this makes it possible to be hung on benchmark fine strain of millet 71；And benchmark fine strain of millet 71 is generally normal
Using be not easy roll and on-deformable square tube be made, this causes the foundation static test measurement ancillary equipment and base
Fix stably between quasi- fine strain of millet 71；Further, the outside of the 3rd riser 15 is provided with the 3rd screw 19, the 3rd riser
The 4th screw hole being adapted with the 3rd screw 19 is additionally provided with 15；After can the 3rd screw 19 be threadedly coupled with the 4th screw hole,
Benchmark fine strain of millet 71 is withstood in the end of 3rd screw 19 after passing through the 4th screw hole, this causes between the 3rd riser 15 and benchmark fine strain of millet 71 by the
Three screws 19 are locked, so as to avoid the foundation static test measurement from being shaken with ancillary equipment.
Since convex block 121 can be slided along the direction that dovetail groove 131 limits, this make it that starting stave 12 and second is perpendicular
Can occur between plate 13 it is opposite slide, the height of iron pan 11 can be adjusted by sliding starting stave 12, and current displacement
Meter 7 usually all carries Magnetic gauge stand, and Magnetic gauge stand can adsorb iron pan 11 so that displacement meter 7 is fixed on iron pan 11,
Height-adjustable due to displacement meter 7, can adapt to different depth tests pits 6；Finished when the height of displacement meter 7 is adjusted
Afterwards, it is threadedly coupled using the first screw 16 with the first screw hole 124, the end of the first screw 16 is withstood after passing through the first screw hole 124
Second riser 13 is so that locking, is fixed between completing 12 and second riser 13 of starting stave.Convex block 121 and dovetail groove 131
Coordinate so that be not likely to produce large error when sliding between the second riser 13 and starting stave 12, and be with benchmark fine strain of millet 71
Reference, this causes the measurement error of displacement meter 7 further to reduce；Even if test pits 6 depth it is too deep, the erection of displacement meter 7 operation
It is simple and convenient, and the height adjustment of displacement meter 7 is simple to operate and be not likely to produce error.Tried in the foundation static load
Under the action of test amount ancillary equipment so that displacement meter 7 it is height-adjustable, this causes four of the top of ground load plate 2
Displacement meter 7 is at same level, this advantageously reduces the systematic error of 2 settling amount of measurement ground load plate.
Due to testing pits there are substantial amounts of soil around 6, this easily to be infected with soil at dovetail groove 131, and in order to ensure
It can smoothly be slided between convex block 121 and dovetail groove 131, be clearance fit between convex block 121 and dovetail groove 131；Work as dovetail groove
Soil is speckled with inside 131, although most of soil can be extruded under the up and down motion of convex block 121, due to convex block 121 with
There are minim gap between dovetail groove 131, this causes the inner wall of dovetail groove 131 also to speckle with micro soil, the part soil
It is not easy to be removed by convex block 121, if the part soil persistently exists, this can hinder the slip of convex block 121, even can be right when serious
Convex block 121 or dovetail groove 131 cause to wear, so as to influence the combination between 12 and second riser 13 of starting stave, easily lead to
One riser 12 shakes.
Since three surface side walls of cleaning sleeve 18 are installed with brush filament 181, the head end of brush filament 181 is aligned and props up dovetail groove
131 inner wall, when 12 upward sliding of starting stave, the soil that triangular shape convex portion 123 can be broken in dovetail groove 131 makes its mud
Soil is broken, and then in the case where the brush of brush filament 181 is swept, most soil is cleared away, the mud adhered in the two side walls of dovetail groove 131
Soil is swept from first through hole 132 in the brush of brush filament 181 and is discharged；Due to the finite thickness of starting stave 12, by first through hole 132
It is designed as kidney ellipsoid so that first through hole 132 has sufficiently large area to be easy to casting.Further, second riser 13
Opposite side is provided with multiple second through holes 133, and second through hole 133 is connected with dovetail groove 131；On the slot bottom of dovetail groove 131
The soil of adhesion is swept in the brush of brush filament 181 and is discharged at the second through hole 133；The lower end of convex block 121 can be extended to starting stave
12 lower end, this causes the lower semisection of dovetail groove 131 to be occupied all the time by convex block 121, only need to clear up the upper semisection of dovetail groove 131 i.e.
Can.Under the cleaning of brush filament 181 on cleaning sleeve 18, the inside of dovetail groove 131 is not easy to attach soil, even if having attached soil
It is easy to clean out, it is simple to operate.After cleaning sleeve 18 is sleeved on outside protrusive board 122,182 spiral shell of the second screw 17 and the second screw hole
Line connects, and the end of the second screw 17 props up protrusive board 122 after passing through the second screw hole 182, so completes cleaning sleeve 18 and protrusive board 122
Between fixation；Further, the 3rd screw hole 1221 being adapted with the second screw 17 is additionally provided with the protrusive board 122, when
After the end of second screw 17 passes through the second screw hole 182, the end of the second screw 17 can be also threadedly coupled with the 3rd screw hole 1221,
This make it that the fixation between cleaning sleeve 18 and protrusive board 122 is more firm.Further, it is between the cleaning sleeve 18 and protrusive board 122
Interference fit, this causes soil to be not easy to penetrate between cleaning sleeve 18 and protrusive board 122；Even if between cleaning sleeve 18 and protrusive board 122
To be interference fitted, and the presence of triangular shape convex portion 123 so that cleaning sleeve 18 can also be sleeved on the outside of protrusive board 122 much smootherly.
Installation, disassembling section between cleaning sleeve 18 and protrusive board 122 is simple and convenient；Cleaning sleeve 18 can be pulled down from protrusive board 122, then
The second screw 17 is threadedly coupled with the second screw hole 182 again so that the end of the second screw 17 passes through the second screw hole 182 and props up
The inner wall of cleaning sleeve 18, then separates convex block 121 with dovetail groove 131, and the brush filament 181 on cleaning sleeve 18 finally is directed at dovetail
Groove 131, further can scrub dovetail groove 131 under the cleaning of tap water, complete further cleaning, cleaning to dovetail groove 131.
Further, the bottom of the iron pan 11 is installed with magnet 110；Although current most displacement meter 7 all carries
Magnetic gauge stand, but some displacement meters 7 without Magnetic gauge stand are still suffered from, when which is placed on iron pan 11,
Since the shell of displacement meter 7 is usually made of iron-clad, under the absorption of magnet 110 so that displacement meter 7 can be attracted to iron pan
On 11, the combination between displacement meter 7 and iron pan 11 is more firm, avoids because 7 accidental movement of displacement meter causes measurement error to expand.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (6)
- A kind of 1. foundation static test measurement ancillary equipment, it is characterised in that：Including iron pan（11）, starting stave （12）, the second riser（13）, transverse slat（14）, the 3rd riser（15）, multiple first screws（16）, the second screw（17）, described One riser（12）With iron pan（11）It is mutually perpendicular to, the starting stave（12）Lower end and iron pan（11）Side be fixedly connected, Second riser（13）Side be provided with dovetail groove（131）, the starting stave（12）Side be installed with and dovetail groove （131）Matched convex block（121）, the starting stave（12）On be additionally provided with and the first screw（16）The first spiral shell being adapted Hole（124）, the dovetail groove（131）Both sides be respectively arranged with multiple kidney ellipsoid first through hole（132）, the first through hole （132）With dovetail groove（131）Connection；The starting stave（12）Upper end be installed with protrusive board（122）, the protrusive board（122）If Put in dovetail groove（131）Inside, the protrusive board（122）Outer cover is equipped with cleaning sleeve（18）, the cleaning sleeve（18）With dovetail Groove（131）Inner wall between be provided with brush filament（181）, the brush filament（181）Tail end and cleaning sleeve（18）Side wall fix connect Connect；The cleaning sleeve（18）Side wall be additionally provided with and the second screw（17）The second screw hole being adapted（182）, the protrusive board （122）Upper end be installed with triangular shape convex portion（123）；The transverse slat（14）Tail end and the second riser（13）Upper end fix connect Connect, the 3rd riser（15）Upper end and transverse slat（14）Head end be fixedly connected.
- A kind of 2. foundation static test measurement ancillary equipment according to claim 1, it is characterised in that：It is described convex Plate（122）On be additionally provided with and the second screw（17）The 3rd screw hole being adapted（1221）.
- A kind of 3. foundation static test measurement ancillary equipment according to claim 1, it is characterised in that：Described Three risers（15）Outside be provided with the 3rd screw（19）, the 3rd riser（15）On be additionally provided with and the 3rd screw（19）Phase 4th screw hole of adaptation.
- A kind of 4. foundation static test measurement ancillary equipment according to claim 1, it is characterised in that：It is described clear Clean set（18）With protrusive board（122）Between for interference fit.
- A kind of 5. foundation static test measurement ancillary equipment according to claim 1, it is characterised in that：The iron Disk（11）Bottom be installed with magnet（110）.
- A kind of 6. foundation static test measurement ancillary equipment according to claim 1, it is characterised in that：Described Two risers（13）Opposite side be provided with multiple second through holes（133）, second through hole（133）With dovetail groove（131）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810086546.1A CN108035389B (en) | 2018-01-30 | 2018-01-30 | Auxiliary equipment for measuring static load test of foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810086546.1A CN108035389B (en) | 2018-01-30 | 2018-01-30 | Auxiliary equipment for measuring static load test of foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108035389A true CN108035389A (en) | 2018-05-15 |
| CN108035389B CN108035389B (en) | 2023-10-20 |
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ID=62096902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810086546.1A Active CN108035389B (en) | 2018-01-30 | 2018-01-30 | Auxiliary equipment for measuring static load test of foundation |
Country Status (1)
| Country | Link |
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| CN (1) | CN108035389B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014088689A (en) * | 2012-10-30 | 2014-05-15 | Ssc Pile Association | Loading test method and loading test device for composite reinforcement ground |
| CN207812522U (en) * | 2018-01-30 | 2018-09-04 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | A kind of foundation static test measurement ancillary equipment |
-
2018
- 2018-01-30 CN CN201810086546.1A patent/CN108035389B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014088689A (en) * | 2012-10-30 | 2014-05-15 | Ssc Pile Association | Loading test method and loading test device for composite reinforcement ground |
| CN207812522U (en) * | 2018-01-30 | 2018-09-04 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | A kind of foundation static test measurement ancillary equipment |
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| Publication number | Publication date |
|---|---|
| CN108035389B (en) | 2023-10-20 |
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