CN207812522U - A kind of foundation static test measurement ancillary equipment - Google Patents
A kind of foundation static test measurement ancillary equipment Download PDFInfo
- Publication number
- CN207812522U CN207812522U CN201820150304.XU CN201820150304U CN207812522U CN 207812522 U CN207812522 U CN 207812522U CN 201820150304 U CN201820150304 U CN 201820150304U CN 207812522 U CN207812522 U CN 207812522U
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- CN
- China
- Prior art keywords
- screw
- dovetail groove
- riser
- starting stave
- static test
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- 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.)
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model is related to a kind of foundation static test measurement ancillary equipments, including iron pan, starting stave, second riser, transverse slat, third 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 compatible with the first screw is additionally provided on 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, it is provided with brush filament between cleaning sleeve and the inner wall of dovetail groove, the upper end of protrusive board is installed with triangular shape protrusion.The foundation static test measurement ancillary equipment is simple in structure, easy to use, even if the depth tested pits can easily set up displacement meter if too deep, 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 utility model is related to a kind of foundation static test measurement ancillary equipments, belong to architecture engineering material performance
Test equipment technical field.
Background technology
In order to improve foundation bearing capacity, improve its deformation performance or permeance property and the technical measures taken, referred to as ground
Processing.Basement process includes changing to fill 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 to measure the carrying of 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 is available
Round or rectangular, area is the processing area that a pile undertakes;The bearing plate of more pile composite foundation static load tests can be with rectangular
Or rectangle, size are determined by the processing area that practical 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)It is preferably located at other than 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 other than testing pits, when testing pits sometimes too deep,
Cause measurement displacement meter that can not set up, generally often tie up displacement meter 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.
Utility model content
The utility model is in view of the deficienciess of the prior art, provide a kind of foundation static test measurement auxiliary
Equipment, specific technical solution are as follows:
A kind of foundation static test measurement ancillary equipment, including iron pan, starting stave, the second riser, transverse slat,
Three risers, multiple first screws, the second screw, the starting stave are mutually perpendicular to iron pan, the lower end of the starting stave with
The side of iron pan is fixedly connected, and the side of second riser is provided with dovetail groove, the side of the starting stave be installed with
Dovetail groove matched convex block is additionally provided with the first screw hole compatible with the first screw, the dovetail on the starting stave
The both sides of slot are respectively arranged with multiple kidney ellipsoid first through hole, and the first through hole is connected to dovetail groove;The starting stave
Upper end is installed with protrusive board, and the protrusive board is arranged in the inside of dovetail groove, and the protrusive board outer cover is equipped with cleaning sleeve, the cleaning sleeve
Brush filament is provided between the inner wall of dovetail groove, the tail end of the brush filament is fixedly connected with the side wall of cleaning sleeve;The cleaning sleeve
Side wall be additionally provided with the second screw hole compatible with the second screw, the upper end of the protrusive board is installed with triangular shape protrusion;It is described
The tail end of transverse slat is fixedly connected with the upper end of the second riser, and the upper end of the third riser is fixedly connected with the head end of transverse slat.
As an improvement of the above technical solution, third screw hole compatible with the second screw is additionally provided on the protrusive board.
As an improvement of the above technical solution, third screw, the third riser are provided on the outside of the third riser
On be additionally provided with the 4th screw hole compatible with third screw.
As an improvement of the above technical solution, it is interference fit between the cleaning sleeve and protrusive board.
As an improvement of the above technical solution, the bottom of the iron pan is installed with magnet.
As an improvement of the above technical solution, the other side of second riser is provided with multiple second through-holes, and described
Two through-holes are connected to dovetail groove.
Foundation static test measurement ancillary equipment described in the utility model is simple in structure, easy to use, even if examination
The depth in hole is too deep, also can easily set up displacement meter, and the height of displacement meter is easy to adjust and is not likely to produce error, implements
Effect is good.
Description of the drawings
Fig. 1 is basic static test measuring apparatus structural schematic diagram described in the utility model;
Fig. 2 is schematic diagram when basic static test measuring apparatus described in the utility model is set up(Vertical view state);
Fig. 3 is foundation static test measurement ancillary equipment structural schematic diagram described in the utility model;
Schematic diagram when Fig. 4 is starting stave described in the utility model and the connection of the second riser;
Fig. 5 is A-A views in Fig. 4;
Fig. 6 be first through hole described in the utility model, the second through-hole and dovetail groove structural schematic diagram;
Fig. 7 is the structural schematic diagram of starting stave described in the utility model;
Fig. 8 is the structural schematic diagram of cleaning sleeve described in the utility model.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, 2, it when basic static test measuring apparatus carries out basic static test, tests pits and is 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 holder 72 of benchmark fine strain of millet 71 to be also erected at 6 outsides of testing pits, then on holder 72
Set up benchmark fine strain of millet 71;Transmission rod 4 is installed on 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 of test site
Or foundation soil disturbance, influence test result.
2), jack 3 can make 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 to design and want
Seek characteristic load bearing capacity 2 times.
3), every grade load after, by specification corresponds to time interval survey reading 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 be may be provided in 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 load, when meet first three situation for the moment, it 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, for 24 hours in the rate of settling cannot reach stability criterion;
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, third 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, the side setting of second riser 13
There are dovetail groove 131, the side of the starting stave 12 to be installed with and 131 matched convex block 121 of dovetail groove, the starting stave
It is additionally provided with first screw hole 124 compatible 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 to dovetail groove 131;The upper end of the starting stave 12 is installed with convex
Plate 122, the protrusive board 122 are arranged in the inside of dovetail groove 131, and 122 outer cover of the protrusive board is equipped with cleaning sleeve 18, the cleaning
It is provided with brush filament 181 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 second screw hole 182 compatible with the second screw 17, the protrusive board 122
Upper end is installed with triangular shape protrusion 123;The tail end of the transverse slat 14 is fixedly connected with the upper end of the second riser 13, and the third is perpendicular
The upper end of plate 15 is fixedly connected with the head end of transverse slat 14.
The foundation static test measurement ancillary equipment use process is as follows:Due to third riser 15, transverse slat
14 and second riser 13 upper end constitute 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 general normal
Using be not easy roll and on-deformable square tube be made, this makes the foundation static test measurement ancillary equipment and base
Fix stably between quasi- fine strain of millet 71;Further, the outside of the third riser 15 is provided with third screw 19, the third riser
The 4th screw hole compatible with third screw 19 is additionally provided on 15;After third screw 19 being threadedly coupled with the 4th screw hole,
Benchmark fine strain of millet 71 is withstood in the end of third screw 19 after passing through the 4th screw hole, this makes between third riser 15 and benchmark fine strain of millet 71 by the
Three screws 19 are locked, 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 so that starting stave 12 and second is perpendicular
Can occur between plate 13 it is opposite slide, can be by sliding starting stave 12 so as to adjust the height of iron pan 11, 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;When the height adjusting of displacement meter 7 finishes
Afterwards, it is threadedly coupled with the first screw hole 124 using the first screw 16, the end of the first screw 16 is withstood after the first screw hole 124
Second riser 13 is to complete locking between starting stave 12 and the second riser 13, fix.Convex block 121 and dovetail groove 131
Cooperation so that be not likely to produce large error in sliding between the second riser 13 and starting stave 12, and be with benchmark fine strain of millet 71
Reference, this makes the measurement error of displacement meter 7 further decrease;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 of displacement meter 7 adjusts simple to operate and is not likely to produce error.It is tried in the foundation static load
Under the action of test amount ancillary equipment so that displacement meter 7 it is height-adjustable, this makes four of the top of ground load plate 2
Displacement meter 7 is at same level, this advantageously reduces the systematic error for measuring 2 settling amount of ground load plate.
Due to testing pits, there are a large amount 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 gaps between dovetail groove 131, this makes the inner wall of dovetail groove 131 that can also 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 sliding of convex block 121, even can be right when serious
Convex block 121 or dovetail groove 131 cause to wear, and to influence the combination between starting stave 12 and the second riser 13, 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 resists dovetail groove
131 inner wall, when 12 upward sliding of starting stave, triangular shape protrusion 123, which can break the soil 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 convenient for casting.Further, second riser 13
The other side is provided with multiple second through-holes 133, and second through-hole 133 is connected to dovetail groove 131;On the slot bottom of dovetail groove 131
The soil of adherency 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 makes the lower semisection of dovetail groove 131 be occupied always by convex block 121, only need to clear up the upper semisection of dovetail groove 131 i.e.
It 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 resists protrusive board 122 after the second screw hole 182, so completes cleaning sleeve 18 and protrusive board 122
Between fixation;Further, third screw hole 1221 compatible with the second screw 17 is additionally provided on 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 third screw hole 1221,
This makes the fixation between cleaning sleeve 18 and protrusive board 122 more firm.Further, it is between the cleaning sleeve 18 and protrusive board 122
Interference fit, this makes soil 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 protrusion 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 removed 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 resists
Then the inner wall of cleaning sleeve 18 detaches convex block 121 with dovetail groove 131, the brush filament 181 on cleaning sleeve 18 is finally directed at dovetail
Slot 131 can further 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 most of displacement meter 7 all carries at present
Magnetic gauge stand, but there are still some without the displacement meter 7 of Magnetic gauge stand, 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 above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (6)
1. a kind of 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), third 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)Compatible first spiral shell
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
It sets in dovetail groove(131)Inside, the protrusive board(122)Outer cover is equipped with cleaning sleeve(18), the cleaning sleeve(18)With dovetail
Slot(131)Inner wall between be provided with brush filament(181), the brush filament(181)Tail end and cleaning sleeve(18)Side wall fix connect
It connects;The cleaning sleeve(18)Side wall be additionally provided with and the second screw(17)Compatible second screw hole(182), the protrusive board
(122)Upper end be installed with triangular shape protrusion(123);The transverse slat(14)Tail end and the second riser(13)Upper end fix connect
It connects, the third riser(15)Upper end and transverse slat(14)Head end be fixedly connected.
2. a kind of 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)Compatible third screw hole(1221).
3. a kind of foundation static test measurement ancillary equipment according to claim 1, it is characterised in that:Described
Three risers(15)Outside be provided with third screw(19), the third riser(15)On be additionally provided with and third screw(19)Phase
4th screw hole of adaptation.
4. a kind of 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.
5. a kind of 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).
6. a kind of foundation static test measurement ancillary equipment according to claim 1, it is characterised in that:Described
Two risers(13)The other 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 |
---|---|---|---|
CN201820150304.XU CN207812522U (en) | 2018-01-30 | 2018-01-30 | A kind of foundation static test measurement ancillary equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820150304.XU CN207812522U (en) | 2018-01-30 | 2018-01-30 | A kind of foundation static test measurement ancillary equipment |
Publications (1)
Publication Number | Publication Date |
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CN207812522U true CN207812522U (en) | 2018-09-04 |
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ID=63322344
Family Applications (1)
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CN201820150304.XU Expired - Fee Related CN207812522U (en) | 2018-01-30 | 2018-01-30 | A kind of foundation static test measurement ancillary equipment |
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CN (1) | CN207812522U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108035389A (en) * | 2018-01-30 | 2018-05-15 | 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 CN201820150304.XU patent/CN207812522U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108035389A (en) * | 2018-01-30 | 2018-05-15 | 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 |
CN108035389B (en) * | 2018-01-30 | 2023-10-20 | 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) | Auxiliary equipment for measuring static load test of foundation |
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GR01 | Patent grant | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20200130 |
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CF01 | Termination of patent right due to non-payment of annual fee |