CN108914997A - A kind of reinforced soil retaining wall lateral deformation test device and working method - Google Patents
A kind of reinforced soil retaining wall lateral deformation test device and working method Download PDFInfo
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- CN108914997A CN108914997A CN201811025204.5A CN201811025204A CN108914997A CN 108914997 A CN108914997 A CN 108914997A CN 201811025204 A CN201811025204 A CN 201811025204A CN 108914997 A CN108914997 A CN 108914997A
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- retaining wall
- reinforced soil
- soil retaining
- inclinometer pipe
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- 239000002689 soil Substances 0.000 title claims abstract description 54
- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 7
- 239000011083 cement mortar Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 4
- 239000007787 solid Substances 0.000 claims 1
- 230000006378 damage Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
Landscapes
- 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)
- Environmental & Geological Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The present invention relates to a kind of reinforced soil retaining wall lateral deformation test device and working methods, including inclinometer, inclinometer pipe and multiple fixed mechanisms, inclinometer pipe is fixedly connected with multiple fixed mechanisms, when use, multiple fixed mechanisms are fixed on along the vertical direction on the lateral surface of reinforced soil retaining wall, the lateral surface certain point side horizontal displacement of reinforced soil retaining wall is identical as the side horizontal displacement of respective point on inclinometer pipe, the bottom end of the inclinometer pipe is fixed in the foundation structure below reinforced soil retaining wall, the inclinometer slides inside inclinometer pipe along inclinometer pipe, lateral deformation is monitored, test device of the invention is without destroying engineering structure, it installs simple and convenient, test result is accurate.
Description
Technical field
The present invention relates to subgrade engineering monitoring device technical fields, and in particular to a kind of reinforced soil retaining wall lateral deformation test
Device and working method.
Background technique
Reinforced earth retaining wall during service, often will appear different degrees of lateral deformation, threaten traffic safety, to protect
The normal use for hindering retaining wall, needs to be monitored it.The common method of reinforced earth retaining wall lateral deformation monitoring is by side
Inclined tube is embedded on the inside of wall, which drills, and construction is complicated, influences traffic, and cause to engineering structure larger
Damage, the destruction of rib tape is particularly acute.
Summary of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of reinforced soil retaining wall lateral deformation test
Device, without drilling on the inside of wall, simple installation is quick, will not damage to engineering structure.
To achieve the above object, the present invention adopts the following technical solutions：
A kind of reinforced soil retaining wall lateral deformation test device, including inclinometer, inclinometer pipe and multiple fixed mechanisms, inclinometer pipe
It is fixedly connected with multiple fixed mechanisms, in use, multiple fixed mechanisms are fixed on the outer of reinforced soil retaining wall along the vertical direction
On side, the side horizontal displacement phase of the lateral surface certain point side horizontal displacement of reinforced soil retaining wall and respective point on inclinometer pipe
Together, the bottom end of the inclinometer pipe is fixed in the foundation structure below reinforced soil retaining wall, inclinometer edge inside inclinometer pipe
Inclinometer pipe sliding, is monitored lateral deformation.
Further, the fixed mechanism includes spill firm banking and U-clamp, a side of the spill firm banking
Face is plane, is fixed for the lateral surface with reinforced soil retaining wall, and contralateral side face has cambered surface groove, the cambered surface groove place
End face be fixed with U-clamp, the shape of the shape and inclinometer pipe of cambered surface groove and U-clamp matches, cambered surface groove and U-clamp folder
Tight inclinometer pipe.
Further, the spill firm banking is equipped with symmetrical leveling bolt, for adjusting the fixed bottom of spill
The installation of seat is spent vertically, installs spill firm banking perpendicular to horizontal plane.
Further, the spill firm banking is fixed on the lateral surface of reinforced soil retaining wall by expansion bolt.
Further, the vertical symmetrical center line of multiple spill firm bankings is located on same vertical plane.
Further, the inclinometer pipe inner circumferential surface is set there are four inside groove, and the angle between adjacent internal grooves is 90 °,
In inside groove alignment reinforced soil retaining wall horizontal lateral deformation to be monitored direction, the inclinometer slides along inside groove, to adding
The lateral deformation of muscle retaining wall is monitored.
The invention also discloses a kind of working methods of reinforced soil retaining wall lateral deformation test device, include the following steps：
Step 1：Spill firm banking is fixed on the lateral surface of reinforced soil retaining wall, each spill firm banking is checked
Vertical degree, adjusts spill firm banking, and the vertical angle and gravity direction for guaranteeing spill firm banking are without offset.
Step 2：Inclinometer pipe is bonded placement with cambered surface groove, one of inside groove is directed at side horizontal displacement to be monitored
The bottom end of inclinometer pipe is embedded in the foundation structure below retaining wall, and is fixed by direction.
Step 3：U-clamp is fixed on spill firm banking, clamps inclinometer pipe using U-clamp and cambered surface groove.
Step 4：Inclinometer is put into inclinometer pipe, moves it along inclinometer pipe, it can be to the lateral change of reinforced soil retaining wall
Shape is monitored and records.
Further, it in the step 1, is checked using vertical degree of the block level to spill firm banking.
Further, in the step 2, the depth of inclinometer pipe buried foundation structure is not less than 1 meter, using cement mortar into
Row is fixed.
Beneficial effects of the present invention：
1. test device of the invention, when use, is fixed on the lateral surface of reinforced soil retaining wall, without on the inside of retaining wall
The construction such as drill is carried out, it is easy for installation succinct, engineering structure will not be damaged, and test device is reusable.
2. test device of the invention, inclinometer pipe is fitted closely by the effect of U-clamp with cambered surface groove, cambered surface groove vehicle
Plane is without intersection point, the lateral displacement of the certain point of inclinometer pipe where the binding face of place plane and spill firm banking and retaining wall
The lateral deformation of retaining wall is accurately reflected, test result is accurate.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.
Fig. 1 is use state diagram of the present invention；
Fig. 2 is that inclinometer pipe of the present invention and fixed mechanism assemble schematic top plan view；
Fig. 3 is that inclinometer pipe of the present invention and fixed mechanism assemble schematic front view；
Wherein, 1. inclinometer pipe, 1-1. inside groove, 2. fixed mechanisms, 2-1. spill firm banking, 2-2. cambered surface groove, 2-3.U
Clevis, 2-4. leveling bolt, 3. reinforced soil retaining walls, 4. expansion bolts.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the present invention, only expression and attached drawing itself
Upper and lower, left and right direction it is consistent, not to structure rise restriction effect, it is only for convenient for description the present invention and simplification retouch
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, and be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
As background technique is introduced, the common method of reinforced earth retaining wall lateral deformation monitoring is to bury skew back pipe
On the inside of wall, which drills, and construction is complicated, influences traffic, and cause biggish damage to engineering structure, right
The destruction of rib tape is particularly acute, in view of the above-mentioned problems, present applicant proposes a kind of reinforced soil retaining wall lateral deformation test devices.
In a kind of exemplary embodiment of the application, as shown in Figure 1-3, a kind of reinforced soil retaining wall lateral deformation test dress
It sets, including inclinometer, inclinometer pipe 1 and multiple fixed mechanisms 2, inclinometer pipe are fixedly connected with multiple fixed mechanisms, in use, multiple
The fixed mechanism is fixed on along the vertical direction on the lateral surface of reinforced soil retaining wall 3, the lateral surface certain point side of reinforced soil retaining wall
Identical as the side horizontal displacement of respective point on inclinometer pipe to horizontal displacement, reinforced soil retaining wall is fixed in the bottom end of the inclinometer pipe
In the foundation structure of lower section, the inclinometer is slided inside inclinometer pipe along inclinometer pipe, is monitored to lateral deformation.
The fixed mechanism includes spill firm banking 2-1, and the left and right ends middle part of the spill firm banking is symmetrical
Equipped with first mounting hole, in use, spill firm banking is fixed on reinforcement earth-retaining by the first mounting hole and expansion bolt 4
On the shingle nail of wall, for the reinforced soil retaining wall of modular type, spill firm banking is fixed on the center of shingle nail, and upper and lower two
The distance of a adjacent spill firm banking is equal to shingle nail along the length of reinforced soil retaining wall short transverse, i.e. every piece of shingle nail
Center is respectively and fixedly provided with a spill firm banking, for other types of reinforced soil retaining wall, the fixed bottom of upper and lower two spills
The distance between seat can guarantee that inclinometer pipe is preferably fixed with reinforced soil retaining wall using such setting for 50cm, tie test
Fruit is more accurate, and the vertical symmetrical center line of multiple spill firm bankings is located on same vertical plane, facilitates inclinometer pipe
Installation, the spill firm banking and the end face for being located at reinforced soil retaining wall side are plane, and the end face of opposite side has and deviational survey
The cambered surface groove 2-2 that tube shape matches, the cambered surface groove are semi-circular groove, and diameter is equal to the outer diameter of inclinometer pipe, described
The U-clamp 2-3 that fixed mechanism further includes a shape and deviational survey tube shape matches, the internal diameter of the U-clamp and inclinometer pipe
Outer diameter is identical, and the both ends of U-clamp are equipped with the second mounting hole, and the arc of spill firm banking is fixed on by the second mounting hole and bolt
On end face where the groove of face, U-clamp and cambered surface groove constitute the circular cavity that inclinometer pipe passes through, and inclinometer pipe can be recessed using cambered surface
Slot and U-clamp are clamped, and are fixedly connected to realize with fixed mechanism, the spill firm banking is located at the first mounting hole
Top and the bottom position at be equipped with leveling bolt 2-4, by leveling bolt can adjust spill firm banking installation vertical degree, make recessed
Shape firm banking is installed perpendicular to horizontal plane.
Since spill firm banking and inclinometer pipe are the face contact of rigidity, the lateral water of certain point on reinforced soil retaining wall
Prosposition moves identical as the side horizontal displacement of respective point on inclinometer pipe.
The inclinometer pipe is made of PVC material, and specification is outer diameter 70mm, and internal diameter 60mm, there are four inclinometer pipe inside tools
Inside groove 1-1, the angle between adjacent internal grooves are 90 °, and inclinometer pipe should ensure that one of them when being fixed on spill firm banking
Inside groove is directed at the direction for the side horizontal displacement to be monitored, in use, inclinometer is placed in inside inclinometer pipe, and with four in
Slot is slidably connected, and inclinometer is slided along inside groove, then can monitor lateral deformation, and application method and existing inclinometer and inclinometer pipe make
It is identical with method, herein without describing in detail.
In present embodiment, the foundation structure is using the ground below reinforced soil retaining wall, when inclinometer pipe is fixed,
It should be embedded into ground, length of embedment is not less than 1 meter, is fixed using cement mortar.
The invention also discloses a kind of working methods of reinforced soil retaining wall lateral deformation test device, include the following steps：
Step 1：By the vertical direction of reinforced soil retaining wall, multiple spill firm bankings are fixed on reinforcement by expansion bolt
On the shingle nail of retaining wall, each spill firm banking is fixed on the center of shingle nail, and guarantees spill firm banking
Vertical symmetrical center line is located on same vertical plane, utilizes the vertical degree of block level verification spill firm banking, i.e. spill
Whether the vertical angle of firm banking offsets with gravity direction, adjusts leveling bolt, makes the vertical angle of spill firm banking
Deviant with gravity direction is 0, guarantees spill firm banking and horizontal plane.
Step 2：Inclinometer pipe is close to place with the cambered surface groove of spill firm banking, in one of them for guaranteeing inclinometer pipe
Slot is directed at side horizontal displacement direction to be monitored, and the bottom end of inclinometer pipe is embedded in the ground below reinforced soil retaining wall,
Length of embedment is not less than 1 meter, will be fixed below inclinometer pipe using cement mortar.
Step 3：U-shaped frame is fixed on spill firm banking by bolt and the second mounting hole, keeps U-shaped frame recessed with cambered surface
Slot clamps inclinometer pipe.
Step 4：After being installed, inclinometer is put into inside inclinometer pipe, inside groove is made it through and is slided along inclinometer pipe
The side direction horizontal deformation of reinforced soil retaining wall is monitored and is recorded.
Reinforced soil retaining wall lateral deformation test method of the invention, without avoiding to drilling construction is carried out on the inside of wall
Destruction to engineering structure, and installation is succinct convenient, it is reusable, due to spill firm banking and reinforced soil retaining wall and survey
Inclined tube is rigidity face contact, and the side horizontal displacement of inclinometer pipe certain point can accurately reflect the lateral of reinforced soil retaining wall respective point
Horizontal displacement, test result are accurate.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (9)
1. a kind of reinforced soil retaining wall lateral deformation test device, which is characterized in that including inclinometer, inclinometer pipe and multiple fixed machines
Structure, inclinometer pipe are fixedly connected with multiple fixed mechanisms, in use, multiple fixed mechanisms are fixed on reinforcement gear along the vertical direction
On the lateral surface of cob wall, the side direction horizontal of respective point on the lateral surface certain point side horizontal displacement and inclinometer pipe of reinforced soil retaining wall
It is displaced identical, the bottom end of the inclinometer pipe is fixed in the foundation structure below reinforced soil retaining wall, and the inclinometer is in inclinometer pipe
Inside is slided along inclinometer pipe, is monitored to lateral deformation.
2. a kind of reinforced soil retaining wall lateral deformation test device as described in claim 1, which is characterized in that the fixed mechanism
Including spill firm banking and U-clamp, a side end face of the spill firm banking is plane, for outer with reinforced soil retaining wall
Side is fixed, and contralateral side face has cambered surface groove, and the end face where the cambered surface groove is fixed with U-clamp, cambered surface groove and U
The shape of clevis and the shape of inclinometer pipe match, and cambered surface groove and U-clamp clamp inclinometer pipe.
3. a kind of reinforced soil retaining wall lateral deformation test device as claimed in claim 2, which is characterized in that the spill is fixed
Pedestal is equipped with symmetrical leveling bolt, and the installation for adjusting spill firm banking is spent vertically.
4. a kind of reinforced soil retaining wall lateral deformation test device as claimed in claim 2, which is characterized in that the spill is fixed
Pedestal is fixed on the lateral surface of reinforced soil retaining wall by expansion bolt.
5. a kind of reinforced soil retaining wall lateral deformation test device as claimed in claim 2, which is characterized in that multiple spills are fixed
The vertical symmetrical center line of pedestal is located on same vertical plane.
6. a kind of reinforced soil retaining wall lateral deformation test device as claimed in claim 2, which is characterized in that in the inclinometer pipe
Circumferential surface is set there are four inside groove, and the angle between adjacent internal grooves is 90 °, one of inside groove alignment reinforced soil retaining wall wait supervise
The direction of horizontal lateral deformation is surveyed, the inclinometer is slided along inside groove, is monitored to the lateral deformation of reinforced soil retaining wall.
7. a kind of working method of reinforced soil retaining wall lateral deformation test device as claimed in claim 6, which is characterized in that including
Following steps：
Step 1：Spill firm banking is fixed on the lateral surface of reinforced soil retaining wall, the vertical of each spill firm banking is checked
Degree adjusts spill firm banking, guarantees that spill firm banking is in a vertical position；
Step 2：Inclinometer pipe is bonded placement with cambered surface groove, one of inside groove is directed at the side of side horizontal displacement to be monitored
To by the foundation structure below the bottom end of inclinometer pipe embedment retaining wall, and being fixed；
Step 3：U-clamp is fixed on spill firm banking, clamps inclinometer pipe using U-clamp and cambered surface groove；
Step 4：Inclinometer is put into inclinometer pipe, moves it along inclinometer pipe, the lateral deformation of reinforced soil retaining wall is supervised
It surveys and records.
8. working method as claimed in claim 8, which is characterized in that solid to spill using block level in the step 1
The vertical degree for determining pedestal is checked.
9. working method as claimed in claim 8, which is characterized in that it is characterized in that, in the step 2, inclinometer pipe embedment
The depth of foundation structure is not less than 1 meter, is fixed using cement mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025204.5A CN108914997A (en) | 2018-09-04 | 2018-09-04 | A kind of reinforced soil retaining wall lateral deformation test device and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025204.5A CN108914997A (en) | 2018-09-04 | 2018-09-04 | A kind of reinforced soil retaining wall lateral deformation test device and working method |
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| CN108914997A true CN108914997A (en) | 2018-11-30 |
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| CN201811025204.5A Pending CN108914997A (en) | 2018-09-04 | 2018-09-04 | A kind of reinforced soil retaining wall lateral deformation test device and working method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512663A (en) * | 2019-09-16 | 2019-11-29 | 唐山学院 | Foundation pit deep soil layer displacement monitoring actual training device |
| CN114086616A (en) * | 2021-12-30 | 2022-02-25 | 西安建筑科技大学 | Anchor ear for binding inclinometer pipe and using method thereof |
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| DE102010005967A1 (en) * | 2010-01-28 | 2011-08-18 | Glötzl, Gesellschaft für Baumeßtechnik mbH, 76287 | Inclinometer for monitoring of bottom movements due to hydraulic shear failure in region of excavation of slot, has evaluation unit evaluating properties of reflected and/or scattered light in optical fibers relative to each other |
| CN204575059U (en) * | 2015-04-23 | 2015-08-19 | 河海大学 | A kind of inclinometer pipe for buildings horizontal displacement monitoring |
| CN204854656U (en) * | 2015-04-23 | 2015-12-09 | 山东大学苏州研究院 | Two -way deviational survey sensor based on fiber grating |
| CN106088166A (en) * | 2016-06-17 | 2016-11-09 | 中铁建港航局集团勘察设计院有限公司 | A kind of pile tube inclination measurement device and inclinometer pipe thereof are centered about assembly |
| CN106225771A (en) * | 2016-08-29 | 2016-12-14 | 中航勘察设计研究院有限公司 | A kind of aided measurement device for inclinometer |
| CN208792386U (en) * | 2018-09-04 | 2019-04-26 | 山东大学 | A kind of reinforced soil retaining wall lateral deformation test device |
-
2018
- 2018-09-04 CN CN201811025204.5A patent/CN108914997A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010005967A1 (en) * | 2010-01-28 | 2011-08-18 | Glötzl, Gesellschaft für Baumeßtechnik mbH, 76287 | Inclinometer for monitoring of bottom movements due to hydraulic shear failure in region of excavation of slot, has evaluation unit evaluating properties of reflected and/or scattered light in optical fibers relative to each other |
| CN204575059U (en) * | 2015-04-23 | 2015-08-19 | 河海大学 | A kind of inclinometer pipe for buildings horizontal displacement monitoring |
| CN204854656U (en) * | 2015-04-23 | 2015-12-09 | 山东大学苏州研究院 | Two -way deviational survey sensor based on fiber grating |
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| CN106225771A (en) * | 2016-08-29 | 2016-12-14 | 中航勘察设计研究院有限公司 | A kind of aided measurement device for inclinometer |
| CN208792386U (en) * | 2018-09-04 | 2019-04-26 | 山东大学 | A kind of reinforced soil retaining wall lateral deformation test device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512663A (en) * | 2019-09-16 | 2019-11-29 | 唐山学院 | Foundation pit deep soil layer displacement monitoring actual training device |
| CN114086616A (en) * | 2021-12-30 | 2022-02-25 | 西安建筑科技大学 | Anchor ear for binding inclinometer pipe and using method thereof |
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