CN207582474U - A kind of solid native device of bridge foundation pit construction - Google Patents
A kind of solid native device of bridge foundation pit construction Download PDFInfo
- Publication number
- CN207582474U CN207582474U CN201721691921.2U CN201721691921U CN207582474U CN 207582474 U CN207582474 U CN 207582474U CN 201721691921 U CN201721691921 U CN 201721691921U CN 207582474 U CN207582474 U CN 207582474U
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- China
- Prior art keywords
- foundation pit
- solid
- solid native
- pipe
- bridge foundation
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Abstract
The utility model is related to field of bridge construction,Specifically,It is a kind of solid native device of bridge foundation pit construction,Including the solid soil pipe being placed on inside foundation pit,The solid native pipe apical lateral is provided with the snap ring of horizontal extension,The snap ring is hinged with clamp device at the top of the edge far from solid native pipe,Permeable hole is provided on the wall surface of the solid native pipe,Liner is provided on the inside of the solid native pipe,The liner at the bottom is provided with limbers,The tube wall bottom end of the solid native pipe is fixed with annular groove,Bucket is hung on the annular groove,The clamp device includes pressing plate,Anti-skid stud,The anti-skid stud is arranged on the bottom of pressing plate,The thickness of snap ring of the length of the anti-skid stud more than twice,Native land device can effectively prevent bridge foundation pit, and in construction, front side wall is permeable caves in,Ensure the fixation of bridge foundation pit side-wall,Prevent soil in bridge foundation pit from backfilling,Ensure foundation pit quality,Improve construction efficiency.
Description
Technical field
The utility model is related to field of bridge construction, are a kind of solid native devices of bridge foundation pit construction specifically.
Background technology
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to
The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic needs and set up make
Current more easily building.Bridge is generally made of superstructure, substructure, bearing and attached structure, top knot
Structure is also known as bridge span structure, is across the primary structure of obstacle；Substructure includes abutment, bridge pier and basis；Bearing is spanning knot
Structure and the load transfer device of the bearing place setting of bridge pier or abutment；Attached structure then refer to transition slab at bridge head, truncated cone banking, shore protection,
Training works；Foundation pit is the heatable adobe sleeping platform excavated in basic engineering position by substrate absolute altitude and basic plane size.Root is answered before excavation
According to geological hydrology data, with reference to live nearby buildings situation, excavation plan is determined, and perform water-proof drainage work.It excavates not
The method for putting side slope can be used in deep person, makes Stability of Earth Slopes, and gradient size is determined by related construction regulation.It excavates relatively deep and neighbouring has
Building person can use foundation pit walls method for protecting support, and gunite concrete wall protecting method, Large Foundation Pit is even using diaphram wall and column
The methods of column cast-in-situ bored pile is chain, protection outside soil layer collapse into；No influencer is nearby built, can reduce ground with well-point method
Lower water level, using slope open cut；Natural cold air freezing process can be used in cold district to excavate.
While mechanization is popularized, construction is more prone to and modularization, and first excavation pit, base are needed during bridge construction
Hole after digging well needs that first foundation pit is fixed, and existing fixed form has soil-nail wall support, steel sheet pile supporting, cement soil wall branch
Shield, the supporting of campshed inner support, campshed soil anchor, but existing supporting implementation process is complicated, some totally-enclosed property branch
Shield, it is impossible to effectively evacuate the permeable problem avoided, cause to avoid the soil water content in outside big, soil softening affects
Foundation pit quality.
Utility model content
The purpose of this utility model is to provide a kind of solid native devices of bridge foundation pit construction, prevent bridge foundation pit from applying
Work front side wall is permeable to cave in, and ensures the fixation of bridge foundation pit side-wall, prevents soil in bridge foundation pit from backfilling, ensures foundation pit quality,
Improve construction efficiency.
The utility model is achieved through the following technical solutions：
A kind of solid native device of bridge foundation pit construction, including the solid soil pipe being placed on inside foundation pit, the solid native tube top
End outside is provided with the snap ring of horizontal extension, and the snap ring is hinged with clamp device at the top of the edge far from solid native pipe, described
Gu being provided with permeable hole on the wall surface of native pipe, liner is provided on the inside of the solid native pipe, the liner at the bottom is provided with water flowing
Hole, the tube wall bottom end of the solid native pipe are fixed with annular groove, bucket are hung on the annular groove.
Preferably, the snap ring is fixedly connected with the side wall on the top of solid native pipe.
Preferably, the clamp device includes pressing plate, anti-skid stud, and the anti-skid stud is arranged on the bottom of pressing plate, described anti-
The thickness of snap ring of the length more than twice of sliding nail.
Preferably, the permeable hole is provided with multiple, and the permeable hole is uniformly arranged on the tube wall of solid native pipe.
Preferably, the liner is connect with bottom with the bottom end inner wall sealing of solid native pipe, between the liner and solid native pipe
It is provided with gap.
Preferably, the through-hole for being provided with vertical bridge foundation pit side is corresponded on the liner and solid native pipe, it is described logical
Fastening nail is installed in hole.
Preferably, the central angles such as described through-hole are arranged on liner and solid native pipe.
Preferably, the both sides of the top of bucket are provided with hangers.
The utility model compared with prior art, has the following advantages and advantageous effect：
（1）Gu native pipe is put into foundation pit, whole that foundation pit is fixed, prevents foundation pit inner wall from collapsing, ensure the shape of foundation pit
Shape improves the quality of foundation pit, improves construction efficiency.
（2）Gu being installed with snap ring at the top of native pipe, snap ring is placed on the ground of foundation pit periphery, ensures solid native pipe
Stablize shape, prevent solid native pipe from falling into inside foundation pit, further protect the outer of foundation pit, prevent foundation pit outer from collapsing, soil backfill.
（3）Pressing plate is hinged on snap ring, the back side of pressing plate is provided with anti-skid stud, after solid native pipe is fixed, snap ring and ground
Contact, pressing plate is rotated outward, and anti-skid stud hammers into ground, is carried out solid nail to solid native pipe, is prevented solid native pipe from being shaken in foundation pit, shadow
Permeable, the fixed function of solid native pipe are rung, ensures the fixed effect of solid native device.
（4）Gu being provided with permeable hole on the tube wall of native pipe, can be collected with the water that foundation pit wall surface appears, Gu native bottom of the tube
Bucket is provided with, the water that foundation pit wall surface appears is flowed into bucket by the limbers of liner at the bottom, effectively foundation pit wall surface is permeated
Moisture be collected, prevent there is moisture content in foundation pit, ensure moisture ratio when abutment pours in concrete, ensure that sound pours matter
Amount.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
The solid soil pipes of wherein 1-, 2- snap rings, 3- clamp devices, 4- permeable holes, 5- buckets, 6- through-holes, 7- fastening nails, 8- are hung
Ear, 101- liners, 102- limbers, 103- annular grooves, 301- pressing plates, 302- anti-skid studs.
Specific embodiment
The utility model is described in further detail, but this practicality with reference to the preferred embodiment of the utility model
Novel embodiment is without being limited thereto.
Embodiment 1：
With reference to shown in attached drawing 1, the solid native device of a kind of bridge foundation pit construction, including the solid soil pipe being placed on inside foundation pit
1, solid native 1 apical lateral of pipe is provided with the snap ring 2 of horizontal extension, the top hinge at edge of the snap ring 2 far from solid native pipe 1
Clamp device 3 is connected to, permeable hole 4 is provided on the wall surface of the solid native pipe 1, the inside of the solid native pipe 1 is provided with liner
101,101 bottom of liner is provided with limbers 102, and the tube wall bottom end of the solid native pipe 1 is fixed with annular groove 103, institute
State annular groove 103 on hang with bucket, the snap ring 2 is fixedly connected with the side wall on the top of solid native pipe 1, the clamp device
3 include pressing plate 301, anti-skid stud 302, and the anti-skid stud 302 is arranged on the bottom of pressing plate 301, and the length of the anti-skid stud 302 is big
In the thickness of twice of snap ring 2, the permeable hole 4 is provided with multiple, and the permeable hole 4 is uniformly arranged on the tube wall of solid native pipe 1
On, the liner 101 is connect with bottom with the bottom end inner wall sealing of solid native pipe 1, is set between the liner 101 and solid native pipe 1
There is gap, the through-hole 6 for being provided with vertical bridge foundation pit side, the through-hole 6 are corresponded on the liner 101 and solid native pipe 1
Fastening nail 7 is inside installed, the 6 grade central angles of through-hole are arranged on liner 101 and solid native pipe 1, the both sides of the top of bucket
It is provided with hangers 8.
Structural principle：
The solid native device of a kind of bridge foundation pit construction, including the solid native pipe 1 being placed on inside foundation pit, the pipe of solid soil pipe 1
Permeable hole 4 is provided on wall, in foundation pit fixation procedure, permeable hole 4 can effectively permeate the moisture in foundation pit wall surface, ensure
The fastening of foundation pit wall surface, prevent foundation pit avoid it is permeable cave in, in order to reach better moisture penetration effect, permeable hole 4 is uniformly set
It puts on the tube wall of solid native pipe 1, Gu the inner wall of native pipe 1 is provided with liner 101, liner 101 and the bottom end seal of solid native pipe 1 connect
Connect, liner 101 can be integrated with the connection mode of solid native 1 bottom of pipe connect, welding, sealed connection, liner 101 manages with solid soil
Gap is provided between 1, the water of the infiltration of permeable hole 4 can be both effectively ensured between five centimetres to 10 centimetres in the size in gap
Flowing, and the space in foundation pit can be occupied with minimum degree, for convenience excluded the water of penetrating in foundation pit, liner
101 bottom is provided with limbers 102, and the water of infiltration can be flowed out from limbers 102, Gu the bottom end bottom of native pipe 1 corresponds to and leads to
Water hole 102 is provided with one end annular groove 103, and the bung hole outer of bucket is stuck in groove, ensures the water of foundation pit wall surface infiltration
It flows into bucket, the outer of the through-hole 6 of bucket is provided with hangers 8, can be with lash rope on hangers 8, can after water fills bucket
Bucket bucket to be pulled straight out, the water of foundation pit wall surface infiltration is excluded, in order to ensure the stability of solid native pipe 1, at the bottom of foundation pit
The through-hole 6 for being provided with and waiting central angles distribution is corresponded on the liner 101 in portion and solid native pipe 1, through-hole 6 is equipped with fastening nail 7, tightly
Admittedly being threaded on nail 7, Gu native device is in use, can select that avoiding for 7 screw-in foundation pit of nail, fastening nail 7 will be fastened
It is fixed using the mode of being threaded into, mitigates the destruction to foundation pit inner wall, Gu after native device use, by 7 rotation of fastening nail
Go out, Gu the top of native pipe 1 is fixedly connected with snap ring 2, between 0.5 meter to two meters, snap ring 2 is placed on outside foundation pit the length of ring width
On the ground enclosed, ensure the stabilization shape of solid native pipe 1, prevent solid native pipe 1 from falling into inside foundation pit, further protect the outer of foundation pit,
It preventing foundation pit outer from collapsing, soil backfill, pressing plate 301 is hinged on snap ring 2, the back side of pressing plate 301 is provided with anti-skid stud 302,
After solid native pipe 1 is fixed, snap ring 2 is contacted with ground, and pressing plate 301 is rotated to the outside of snap ring 2, and anti-skid stud 302 hammers into ground,
Solid nail is carried out to solid native pipe 1, prevents solid native pipe 1 from being shaken in foundation pit, permeable, the fixed function of solid native pipe 1 is influenced, ensures solid soil
The fixed effect of device, in order to reach better fixed effect to solid native pipe 1, the length of anti-skid stud 302 should be greater than twice of card
The thickness of ring 2, pressing plate 301 are hinged on the top at 2 edge of snap ring, if the length of anti-skid stud 302 is less than the thickness of snap ring 2, prevent
Sliding nail 302 can not contact ground, it is impossible to reach antiskid effect.
The above, is only the preferred embodiment of the utility model, and limit in any form is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (8)
1. the solid native device of a kind of bridge foundation pit construction, which is characterized in that including the solid soil pipe being placed on inside foundation pit（1）,
The solid soil pipe（1）Apical lateral is provided with the snap ring of horizontal extension（2）, the snap ring（2）It is managed far from solid soil（1）Edge
Top is hinged with clamp device（3）, the solid soil pipe（1）Wall surface on be provided with permeable hole（4）, the solid soil pipe（1）It is interior
Side is provided with liner（101）, the liner at the bottom is provided with limbers（102）, the solid soil pipe（1）Tube wall bottom end be fixed with
Annular groove（103）, the annular groove（103）On hang with bucket（5）.
A kind of 2. solid native device of bridge foundation pit construction according to claim 1, which is characterized in that the snap ring（2）
It is managed with solid soil（1）The side wall on top be fixedly connected.
A kind of 3. solid native device of bridge foundation pit construction according to claim 1, which is characterized in that the clamp device
（3）Including pressing plate（301）, anti-skid stud（302）, the anti-skid stud（302）It is arranged on pressing plate（301）Bottom, the anti-skid stud
（302）Length be more than twice of snap ring（2）Thickness.
A kind of 4. solid native device of bridge foundation pit construction according to claim 1, which is characterized in that the permeable hole
（4）It is provided with multiple, the permeable hole（4）It is uniformly arranged on solid soil pipe（1）Tube wall on.
A kind of 5. solid native device of bridge foundation pit construction according to claim 1, which is characterized in that the liner
（101）It is managed with bottom and solid soil（1）The connection of bottom end inner wall sealing, the liner（101）Gap is provided between solid native pipe.
A kind of 6. solid native device of bridge foundation pit construction according to claim 1, which is characterized in that the liner
（101）With solid soil pipe（1）On correspond the through-hole for being provided with vertical bridge foundation pit side（6）, the through-hole（6）Inside it is equipped with
Fastening nail（7）.
A kind of 7. solid native device of bridge foundation pit construction according to claim 6, which is characterized in that the through-hole（6）
Central angles is waited to be arranged on liner（101）With solid soil pipe（1）On.
A kind of 8. solid native device of bridge foundation pit construction according to claim 1, which is characterized in that the bucket（5）
The both sides on top are provided with hangers（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721691921.2U CN207582474U (en) | 2017-12-07 | 2017-12-07 | A kind of solid native device of bridge foundation pit construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721691921.2U CN207582474U (en) | 2017-12-07 | 2017-12-07 | A kind of solid native device of bridge foundation pit construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207582474U true CN207582474U (en) | 2018-07-06 |
Family
ID=62735984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721691921.2U Expired - Fee Related CN207582474U (en) | 2017-12-07 | 2017-12-07 | A kind of solid native device of bridge foundation pit construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207582474U (en) |
-
2017
- 2017-12-07 CN CN201721691921.2U patent/CN207582474U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20201207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |