CN108104111A - It is a kind of accurately to descend wall construction method - Google Patents
It is a kind of accurately to descend wall construction method Download PDFInfo
- Publication number
- CN108104111A CN108104111A CN201711471227.4A CN201711471227A CN108104111A CN 108104111 A CN108104111 A CN 108104111A CN 201711471227 A CN201711471227 A CN 201711471227A CN 108104111 A CN108104111 A CN 108104111A
- Authority
- CN
- China
- Prior art keywords
- wall
- wall width
- width
- groove
- support plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (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)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The present invention relates to underground construction technology field, disclose it is a kind of accurately descend wall construction method, comprise the following steps：Several only pile sinking of lower bottom part implantation on ground；The top of groove sets support plate, support plate is fixed with the hoist cable lower end on every loop wheel machine, the first wall width is poured the top surface of support plate is whole, the form removal after the intensity of the first wall width reaches strength of mould stripping, hoist cable synchronously declines a distance, the second wall width is poured the top surface concrete of the first wall width is laterally whole, the second wall width is sunk by suspender concordant as ground；And so on, if the top surface in the second wall width splices dry wall width successively, integral sinking once, finally forms underground wall body in groove after often pouring wall width.Underground wall body made from the construction method, own dimensions, flat shape precision are high, and horizontal level, vertical position positioning accuracy are high, so that it is guaranteed that underground wall body stability under loading, total quality significantly improve, barrier performance is good, securely and reliably.
Description
Technical field
A kind of descend the present invention relates to underground construction technology field more particularly to accurately wall construction method.
Background technology
With the development of society, urban construction is maked rapid progress, underground engineering is more and more, such as basement in high rise building,
The underground constructions engineering such as underground gallery, multi-layer underground garage, subway tunnel, these engineerings are all Construction of Deep Foundation, are applied in underground
In order to ensure the safety and stability of construction safety and surrounding enviroment, it is necessary to carry out foundation pit enclosure during work.Foundation pit enclosure is basic
Step is：Underground fluting, slurrying, wall processed in slot, wall technique processed is very more, such as campshed wall, cast-in-place diaphram wall, half prefabricated
Half cast-in-place subterranean wall.
Campshed wall belongs to temporary supporting structure, formation protecting wall after the completion of the construction of campshed wall, secondary construction in protecting wall
Main body wall is prepared, after underground main body wall is constructed, the effect of temporary supporting structure terminates, and campshed wall becomes permanent discarded
Object significantly increases engineering cost, extends the duration, and occupies certain land area；Campshed wall longitudinal seam is very more, holds
Easily lead to infiltration；And campshed wall is horizontally oriented in underground or vertical direction positioning accuracy is all relatively low, so as to cause
Pressure-bearing is unstable, exists and collapses risk.
Cast-in-place diaphram wall is put into steel reinforcement cage in the mud in groove, in mud insertion pour pipe, existed by high pressure
Trench bottom pours, and pours pipe after pipe often pours once and moves up, whole face wall is completed until pouring, made of this kind of construction method
The wall not only temporary support structures as foundation pit, but also be used as the permanent main body wall of basement, considerably reduce project cost, but
There is also many drawbacks for the construction method of diaphram wall：(1) height is required to mud, mud conditioning is of high cost and mud is easily made
Into pollution；(2) walls concrete quality is uneven, unstable, and wall own dimensions, flat shape, vertical position precision are difficult
With control, there are leakage problems for wall width junction；(3) because underwater grouting, after steel reinforcement cage is put into mud, mud is stained on reinforcing bar
Slurry, bond stress reduce, and wall body quality can reduce, and easily cause the random infiltration of metope, and metope is coarse, and some areas reinforcing bar is straight
It connects and exposes, and there is also folder mud phenomenon, it is necessary to set water-resistant liner wall；(4) difficult, underground is accurately positioned in built-in fitting
Diaphragm wall can only be as a part for agent structure wall.
Half prefabricated half cast-in-place subterranean wall is arranged in prefabricated wall is Pork-pieces in groove, between wall and wall
There are axial clearance, then casting concrete in gap again, by concrete by adjacent two pieces of wall connectings；This kind of wall construction
Method is between campshed wall and cast-in-place diaphram wall, and there are the above problems.
The content of the invention
The present invention in order to solve in the prior art underground wall body made from underground wall body construction method either own dimensions,
Flat shape, horizontal level, vertical position provide a kind of high-precision underground wall body there are precision is low, ropy problem
Construction method, by underground wall body made from this kind of construction method, own dimensions, flat shape precision are high, horizontal level, vertical
Position positioning accuracy is high, so that it is guaranteed that underground wall body stability under loading, total quality significantly improve, barrier performance is good, securely and reliably.
To achieve these goals, the present invention adopts the following technical scheme that：
It is a kind of accurately to descend wall construction method, comprise the following steps：A, the bottom portion of groove implantation in underground is several only
Pile sinking, only the top surface of pile sinking is coplanar；B, several loop wheel machines are installed positioned at the top of groove on ground, the top of groove sets support
Plate, support plate are fixed with the hoist cable lower end on every loop wheel machine；The end face center installation water distributor of support plate, the downside of water distributor
Equipped with several apopores, support plate is equipped with the through hole that connects one to one with apopore, and it is several vertical to be connected on water distributor
Water inlet pipe, the bottom of support plate are equipped with several soil pressure cases corresponding with water inlet pipe, and the inside lower end of support plate is equipped with rib；
C, support plate top surface concrete it is laterally whole pour the first wall width, the form removal after the intensity of the first wall width reaches strength of mould stripping,
Hoist cable synchronously decline a distance, the first wall width sink down into it is concordant with ground, it is laterally whole with concrete in the top surface of the first wall width
The second wall width is poured, the form removal after the intensity of the second wall width reaches strength of mould stripping is sunk the second wall width as ground by suspender
Concordantly；And so on, if the top surface in the second wall width splices dry wall width successively, after often pouring wall width integral sinking once,
Underground wall body is finally formed in groove；D, after the first wall width sinks to bottom portion of groove, the cement of high pressure is injected into water inlet pipe
Slurry, cement mortar are discharged at water distributor, so as to which mud between bottom portion of groove and the first wall width be squeezed out, in the bottom of the first wall width
Strong cement base bottom is formed, while cement mortar also squeezes out the mud on the outside of wall width between groove, in final water inlet pipe
Full of cement mortar.
Preferably, in step a, the distance that only top surface of pile sinking is higher by bottom portion of groove is 4cm-6cm.
Preferably, in step b, the support plate is steel plate, and the lower end of the rib is equipped with wedge-shaped cutting edge.
Preferably, sealing rod is equipped between adjacent twice wall width.
Preferably, in step c, the transverse direction of the first wall width is whole, and to pour step as follows：Steel reinforcement cage, mould are installed in support plate top surface
Plate is arranged on the both sides of steel reinforcement cage, and with concreting the first wall width between two pieces of templates, the upper end of steel reinforcement cage is higher by first
The top surface of wall width, hoist cable, water inlet pipe are embedded in the first wall width, the form removal after the first wall width reaches strength of mould stripping.
Preferably, in step c, before every piece of wall width sinks, the upper end connection high-pressure water pipe of water inlet pipe, wall width sinking watching
In, when the pressure value of some soil pressure case is more than setting value, water inlet pipe corresponding with the soil pressure case injects high pressure water,
And then mud is dissipated into solution, dilution, reduces resistance.
Preferably, if the lateral surface of every piece of wall width is equipped with the vertical mud drainage slot in arterial highway, between adjacent two pieces of wall width
Mud drainage slot alignment connection.
Preferably, being equipped with supporting beam between the inner wall of the wall width of bottom of foundation ditch, supporting beam and corresponding wall width are same
Step, which pours, to be made, and supporting beam escape groove is equipped with the corresponding position of supporting beam on ground.
Therefore, the invention has the advantages that：
(1) wall width pours manufacture on the ground, and the own dimensions of wall width, flat shape precision are high；Bottom portion of groove is using only heavy
Stake, it is ensured that the horizontal level of underground wall body, vertical position precision are high；Synchronously gradually sunk using hoist cable, when sinking passes through soil pressure
Sensor, water inlet pipe adjust slurry resistance, so that it is guaranteed that synchronous, stable, the smooth sinking of wall width, effectively prevents wall width from sinking
It is tilted in journey, it is ensured that the bottom of wall width is steadily contacted with only pile sinking, positioning.
(2) all wall width are prepared on the ground, and the construction of wall width is easily manufactured, and work progress is quality controllable, overall structure
Stablize, quality height.
(3) direct concreting between adjacent wall width, connected by steel reinforcement cage, wall width longitudinally splices, and place of splicing is set
Sealing rod, barrier performance are excellent.
(4) after all wall width connections sink down into bottom portion of groove, wall construction is entirely descended to complete, this kind of underground wall body collection is prevented
Revetment, inwall and one eliminate secondary construction, greatly shorten the duration.
Description of the drawings
Fig. 1 is the top view of further groove of the present invention.
Fig. 2 is cross-sectional view at A-A in Fig. 1.
Fig. 3 prepares schematic diagram for the first wall width.
Fig. 4 is after the first wall width sinks, prepares the second wall width schematic diagram.
Fig. 5 is the top view of the first wall width.
Fig. 6 is the first wall width, the side connection diagram of the second wall width.
Fig. 7 is supporting beam and the connection diagram of wall width.
In figure：Mud guide groove 1 leads wall 2, groove 3, only supporting beam escape groove 4, pile sinking 5, loop wheel machine 6, support plate 7, rib
70th, hoist cable 8, water distributor 9, through hole 10, water inlet pipe 11, soil pressure case 12, steel reinforcement cage 13, template 14, the first wall 15, sealing
Item 16, supporting beam 17, the second wall 18, mud drainage slot 19.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and detailed description：
As depicted in figs. 1 and 2 a kind of accurately descends wall construction method, comprises the following steps：With groover on ground
On open mud guide groove 1, set and lead wall 2, it is 1.4g/cm that density is prepared in the bottom recessing 3 of mud guide groove, in groove3-
1.7g/cm3Mud, in the present embodiment by taking the Back Word connected in star shown in Fig. 1 as an example, when recessing, supporting beam is kept away
Slot 4 is allowed to leave together.
As shown in Fig. 3, Fig. 4 and Fig. 6, several only pile sinking 5 of implantation in the bottom of groove 3, only the top surface of pile sinking is coplanar, only sinks
The distance that the top surface of stake is higher by bottom portion of groove is 4cm-6cm；Several loop wheel machines 6 are installed positioned at the top of groove on ground, groove
Top sets support plate 7, and support plate is fixed with 8 lower end of hoist cable on every loop wheel machine；The end face center installation water distributor of support plate
9, the downside of water distributor is equipped with several apopores, and support plate is equipped with the through hole 10 to connect one to one with apopore, water distribution
Several vertical water inlet pipes 11 are connected on pipe, the bottom of support plate is equipped with several soil pressure cases 12 corresponding with water inlet pipe, branch
Fagging is steel plate, and the inside lower end of support plate 7 is equipped with rib 70, and the lower end of rib is equipped with wedge-shaped cutting edge.
Steel reinforcement cage 13 is installed in support plate top surface, template 14 is arranged on the both sides of steel reinforcement cage, with mixed between two pieces of templates
Solidifying soil is laterally whole to pour the first wall 15, and the upper end of steel reinforcement cage is higher by the top surface of the first wall width, and hoist cable, water inlet pipe are embedded to wall width
It is interior, sealing rod 16 is embedded in the top surface of the first wall width, the half of sealing rod is embedded in the first wall width, the other half dew of sealing rod
Go out outside the first wall width, the form removal after wall width reaches strength of mould stripping；The upper end connection high-pressure water pipe of every water inlet pipe, controls institute
Have loop wheel machine hoist cable synchronously decline, until the first wall width top surface drop to it is concordant with ground, the first wall width during decline,
When the pressure value of some soil pressure case is more than setting value, water inlet pipe corresponding with the soil pressure case injects high pressure water, will
Local mud dissipates solution, dilution, reduces slurry resistance, until after the pressure value of the soil pressure case is less than setting value, corresponding height
Pressure pipe stops water filling.
As shown in Figure 4, Figure 5 and Figure 6, the first wall width top surface it is laterally whole in the same way pour the second wall 18, the
It is docked between one wall width and the second wall width by steel reinforcement cage, seam crossing is sealed by sealing rod 16, then declines the second wall width
Extremely concordant with ground, as shown in fig. 7, when the first wall width sinks, supporting beam 15 is sunk together with the first wall width, with such
Push away, if the top surface in the second wall width splices dry wall width successively, after often pouring wall width integral sinking once, when the first wall width with
Only after pile sinking contact, complete underground wall body is formed in groove；When wall width sinks, in order to reduce penetration resistance, ensure mud
Smoothly discharge, if the lateral surface of every piece of wall width is equipped with the vertical mud drainage slot 19 in arterial highway, the mud drainage slot between adjacent two pieces of wall width
Alignment connection, when wall width sinks, mud smooth discharge at mud drainage slot in groove；As shown in fig. 7, the wall positioned at bottom of foundation ditch
Supporting beam 17 is equipped between the inner wall of width, supporting beam is synchronously poured with corresponding wall width and is made, and wall construction completes it when underground
Afterwards, foundation pit is dug in the range of underground wall body, the depth of foundation pit is H2, and after foundation pit is dug, supporting beam is placed exactly in the bottom of foundation pit
Portion, several supporting beams form support system in bottom of foundation ditch.
After the first wall width sinks to bottom portion of groove, hoist cable is separated with loop wheel machine, and the cement mortar of high pressure, water are injected into water inlet pipe
Mud is discharged at water distributor, so as to which mud between bottom portion of groove and the first wall width be squeezed out, is formed in the bottom of the first wall width
Strong cement base bottom, while cement mortar also squeezes out the mud on the outside of wall width between groove, due to the gear of support plate bottom
In the soil of side insertion bottom portion of groove, so as to which the mud between the inner wall of underground wall body and groove inner wall be isolated, water inlet pipe note
When entering high pressure water mud, cement mortar will not enter at the space of underground wall body inner wall and groove inner wall, so as to keep underground wall body
The flatness of inner wall.Cement mortar is also filled in last mud drainage slot, water inlet pipe, so far, completes the construction of underground wall body.
In this construction method, wall width pours manufacture on the ground, and the own dimensions of wall width, flat shape precision are high；Groove-bottom
Portion is using only pile sinking, it is ensured that the horizontal level of underground wall body, vertical position precision are high；Synchronously gradually sunk using hoist cable, sunk
When by soil pressure case, water inlet pipe adjust slurry resistance, so that it is guaranteed that synchronous, stable, the smooth sinking of wall width, effectively prevents
It is tilted in wall width sinking watching, it is ensured that the bottom of wall width is steadily contacted with only pile sinking, positioning.Wall width is manufactured on the ground, is often prepared
One piece of wall width sinks once, and stable connection is reliable between adjacent two pieces of wall width, ne-leakage, the monoblock type finally formed in underground
Underground wall body structure；Entire construction process safety, the underground wall body quality formed after construction is high, intensity is high, precision is high, peace
It is complete reliable；This kind of underground wall body collection protecting wall, inwall and one, eliminate secondary construction, greatly shorten the construction period, reduce into
This.The rectangular underground wall body in cross section in the present embodiment is only by taking the underground wall body of this kind of structure as an example, not to underground
The restriction of wall cross-sectional shape according to the construction method in the application, can very easily be built not according to actual needs
The underground wall body of similar shape, can be linear type underground wall body, square shape underground wall body, stud underground wall body, circularly under
Wall etc..
Outside above-mentioned advantage, also there are following many details features in entire work progress：Water inlet pipe is under wall width
Injection high pressure water during heavy plays the role of dissipating solution, dilution mud, consequently facilitating the smooth sinking of wall；Underground wall body is completed
Water inlet pipe plays the role of strengthening the connection of wall width afterwards；Cement mortar is finally injected in water inlet pipe, it can be by bottom portion of groove and the first wall
Mud squeezes out between width, and then forms strong cement base in the first wall width bottom；The cement mortar being retained in water inlet pipe coagulates
Gu the strength and stiffness of underground wall body are further enhanced after；Hoist cable plays pulling force effect during heavy wall, and final residue exists
In underground wall body, integral strength and rigidity can be increased；Mud in groove plays the role of brace groove side wall in groove, prevents
Only groove collapses, and in wall width sinking watching, mud provides support force (buoyancy) for wall width, so as to greatly reduce loop wheel machine,
Mud can be automatically drained out in wall width sinking watching by the load of hoist cable by the gravity of wall width again.Entire work progress middle ring ring
It interlocks, make the best use of everything, various aspects reduce construction cost, the generation for reducing engineering waste material.
Claims (8)
1. a kind of accurately descend wall construction method, it is characterized in that, comprise the following steps：
A, several only pile sinking of bottom portion of groove implantation in underground, only the top surface of pile sinking is coplanar；
B, several loop wheel machines are installed positioned at the top of groove on ground, the top of groove sets support plate, support plate and every loop wheel machine
On hoist cable lower end fix；The end face center installation water distributor of support plate, the downside of water distributor are equipped with several apopores, support
Plate is equipped with the through hole to connect one to one with apopore, and several vertical water inlet pipes, the bottom of support plate are connected on water distributor
Equipped with several soil pressure cases corresponding with water inlet pipe, the inside lower end of support plate is equipped with rib；
C, support plate top surface concrete it is laterally whole pour the first wall width, torn open after the intensity of the first wall width reaches strength of mould stripping
Mould, hoist cable synchronously decline a distance, the first wall width sink down into it is concordant with ground, it is horizontal with concrete in the top surface of the first wall width
Whole to pour the second wall width, the form removal after the intensity of the second wall width reaches strength of mould stripping is sunk the second wall width as ground by suspender
Face is concordant；And so on, if the top surface in the second wall width splices dry wall width successively, often pour integral sinking one after wall width
It is secondary, underground wall body is finally formed in groove；
D, after the first wall width sinks to bottom portion of groove, the cement mortar of high pressure is injected into water inlet pipe, cement mortar is arranged at water distributor
Go out, so as to which mud between bottom portion of groove and the first wall width be squeezed out, strong cement base bottom is formed in the bottom of the first wall width, together
When cement mortar also the mud on the outside of wall width between groove is squeezed out, be also filled with cement mortar in final water inlet pipe.
2. it is according to claim 1 it is a kind of accurately descend wall construction method, it is characterized in that, in step a, only pile sinking
The distance that top surface is higher by bottom portion of groove is 4cm-6cm.
3. it is according to claim 1 it is a kind of accurately descend wall construction method, it is characterized in that, in step b, the branch
Fagging is steel plate, and the lower end of the rib is equipped with wedge-shaped cutting edge.
4. it is according to claim 1 it is a kind of accurately descend wall construction method, it is characterized in that, between adjacent twice wall width
Equipped with sealing rod.
5. it is according to claim 1 it is a kind of accurately descend wall construction method, it is characterized in that, in step c, the first wall width
Transverse direction whole to pour step as follows：Steel reinforcement cage is installed in support plate top surface, template-setup in the both sides of steel reinforcement cage, two pieces of templates it
Between with concreting the first wall width, the upper end of steel reinforcement cage is higher by the top surface of the first wall width, and hoist cable, water inlet pipe are embedded to the first wall
In width, the form removal after the first wall width reaches strength of mould stripping.
6. it is according to claim 1 it is a kind of accurately descend wall construction method, it is characterized in that, in step c, every piece of wall width
Before sinking, connection high-pressure water pipe in the upper end of water inlet pipe in wall width sinking watching, is set when the pressure value of some soil pressure case is more than
During definite value, water inlet pipe corresponding with the soil pressure case injects high pressure water, and then mud is dissipated solution, dilution, reduces resistance.
7. it is according to claim 1 it is a kind of accurately descend wall construction method, it is characterized in that, the lateral surface of every piece of wall width
If being equipped with the vertical mud drainage slot in arterial highway, the mud drainage slot alignment connection between adjacent two pieces of wall width.
8. it is according to claim 1 it is a kind of accurately descend wall construction method, it is characterized in that, positioned at the wall of bottom of foundation ditch
Supporting beam is equipped between the inner wall of width, supporting beam synchronously pours with corresponding wall width and is made, on ground with the corresponding position of supporting beam
Equipped with supporting beam escape groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711471227.4A CN108104111B (en) | 2017-12-29 | 2017-12-29 | It is a kind of accurately to descend wall construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711471227.4A CN108104111B (en) | 2017-12-29 | 2017-12-29 | It is a kind of accurately to descend wall construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108104111A true CN108104111A (en) | 2018-06-01 |
| CN108104111B CN108104111B (en) | 2019-09-24 |
Family
ID=62214676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711471227.4A Active CN108104111B (en) | 2017-12-29 | 2017-12-29 | It is a kind of accurately to descend wall construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108104111B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3464665A (en) * | 1964-11-11 | 1969-09-02 | Tot Aanneming Van Werken Voorh | A template adapted for use in producing a concrete wall |
| CN104895093A (en) * | 2015-06-11 | 2015-09-09 | 东南大学 | Semi-prefabricated underground continuous wall and construction method thereof |
| CN105239577A (en) * | 2015-09-09 | 2016-01-13 | 冯克俊 | Method for carrying out settlement of underground wall structure by means of high-pressure water guns |
| CN205224016U (en) * | 2015-11-16 | 2016-05-11 | 上海市政工程设计研究总院（集团）有限公司 | Vertical mosaic structure of precast underground continuous wall |
| CN105887806A (en) * | 2016-06-13 | 2016-08-24 | 上海强劲地基工程股份有限公司 | Assembled type underground diaphragm wall and construction method thereof |
| CN107130585A (en) * | 2017-05-10 | 2017-09-05 | 广东省基础工程集团有限公司 | A kind of construction method of underground continuous wall |
-
2017
- 2017-12-29 CN CN201711471227.4A patent/CN108104111B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3464665A (en) * | 1964-11-11 | 1969-09-02 | Tot Aanneming Van Werken Voorh | A template adapted for use in producing a concrete wall |
| CN104895093A (en) * | 2015-06-11 | 2015-09-09 | 东南大学 | Semi-prefabricated underground continuous wall and construction method thereof |
| CN105239577A (en) * | 2015-09-09 | 2016-01-13 | 冯克俊 | Method for carrying out settlement of underground wall structure by means of high-pressure water guns |
| CN205224016U (en) * | 2015-11-16 | 2016-05-11 | 上海市政工程设计研究总院（集团）有限公司 | Vertical mosaic structure of precast underground continuous wall |
| CN105887806A (en) * | 2016-06-13 | 2016-08-24 | 上海强劲地基工程股份有限公司 | Assembled type underground diaphragm wall and construction method thereof |
| CN107130585A (en) * | 2017-05-10 | 2017-09-05 | 广东省基础工程集团有限公司 | A kind of construction method of underground continuous wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108104111B (en) | 2019-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107313431B (en) | Close on not contour foundation pit method for synchronously constructing | |
| CN103806464B (en) | Large-scale high ferro station and subway cross top-down construction method up and down | |
| CN105697021A (en) | Prefabricated tunnel allowing tunnel shield to penetrate shallow covering riverbed and construction method | |
| CN104631440B (en) | A kind of existing large-section in-situ concrete pile strength core increases foundation pit supporting construction and constructional method | |
| CN108035379B (en) | Comprehensive pipe gallery and construction method thereof | |
| CN108149694B (en) | A kind of wall width based on underground wall body construction longitudinally splices subsidence process | |
| CN105369799A (en) | Concrete precast pile of precast pile underground diaphragm wall and construction method of precast pile underground diaphragm wall | |
| CN104775439A (en) | Foundation pit support and water stop integrated structure and construction method thereof | |
| CN108086302B (en) | A kind of transverse direction based on underground wall body construction is whole to pour wall width subsidence process | |
| CN213143117U (en) | Assembled keyway basis retaining wall structure | |
| CN108104112B (en) | A kind of underground wall body construction method based on the slurrying of original soil original position | |
| CN105239607A (en) | Integrated anti-floating structure of underground diaphragm wall and concrete structure bottom plate and construction method of integrated anti-floating structure | |
| CN101793027A (en) | Core-grouted static pressure anchor rod pile | |
| CN217419736U (en) | Compensation type construction structure for underground engineering construction | |
| CN110939139A (en) | Pile slab wall structure based on rigid contact of post-pile special-shaped retaining wall and construction method thereof | |
| CN108104111B (en) | It is a kind of accurately to descend wall construction method | |
| CN216108526U (en) | Underground continuous wall structure for foundation pit support | |
| CN105178356A (en) | Setting-up construction method for vertical joint bars of columns in reverse building method | |
| CN214832899U (en) | Assembled tailing pond radiation well ring with fixing grooves | |
| CN210122735U (en) | Underground structure anti-floating system based on outward-protruding wing foot plate | |
| CN209760299U (en) | light and shade of avoiding house to tear open and move is dug and is combined subway station structure | |
| CN210141142U (en) | Underground structure is built in same direction as digging in hole stake secret | |
| CN107975029B (en) | It is a kind of integrally to descend wall construction method | |
| CN101824823B (en) | Construction method of enclosure structure with ultra-short underground walls | |
| CN112012771A (en) | Underground excavation and sequential construction underground structure of hole piles and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |