CN208870044U - Support system with underground horizontal support - Google Patents
Support system with underground horizontal support Download PDFInfo
- Publication number
- CN208870044U CN208870044U CN201821193882.8U CN201821193882U CN208870044U CN 208870044 U CN208870044 U CN 208870044U CN 201821193882 U CN201821193882 U CN 201821193882U CN 208870044 U CN208870044 U CN 208870044U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- column
- pipe
- tube coupling
- equipment
- 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.)
- Active
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model provides a kind of support system with underground horizontal support, by the way that horizontal propulsion device and front end are preset on column with the end pipe of cutterhead, the high-order degree that corresponding bottom of foundation ditch is dropped to through presetting stake holes is set, it is formed using horizontal propulsion device driving end pipe towards another heel post jacking for installing the space of steel pipe tube coupling section by section, to in the case where non-excavation pit, it is formed in the soil body after steel pipe completes installation horizontally-supported, it solves and horizontally-supported form of construction work is set is difficult to the technical issues of effective control is played to foundation pit deformation after first digging foundation pit, reach the rigidity for greatly improving foundation pit supporting system, effectively reduce the displacement of the bottom of foundation ditch deformation and foundation pit supporting system when excavation of foundation pit is completed, the purpose of effectively improving the security performance of foundation pit supporting system.
Description
Technical field
The utility model relates to technical field of building construction, relate in particular to support system, particularly relate to underground
Horizontally-supported support system.
Background technique
In high-rise design and construction, deep pit excavation is generally required, the space in soil not only can be improved in deep basal pit
Utilization rate, while also firm basis is provided for antidetonation, the wind resistance etc. of high-rise.As town site day is becoming tight
, the exploitation of the underground space is fast-developing, and base pit engineering excavates also deeper and deeper.
It is worth noting that, due to excavating off-load in cheating, building enclosure is caused to act in internal and external pressure difference when excavation of foundation pit
Lower generation displacement, and then cause the deformation for going along with sb. to guard him the outside soil body, cause the outer soil body of foundation pit or building settlement and movement, and foundation pit
The deformation of building enclosure also will increase with the increase of excavation of foundation pit depth.In addition, deep-foundation pit engineering due to excavate the period it is long, base
Hole exposure duration is long, also results in further increasing for foundation pit enclosure structure deformation, and therefore, deformation control of foundation pit is difficult,
Construction control higher cost.
Utility model content
In view of the foregoing, the utility model provides a kind of support system with underground horizontal support, by will be horizontal
Propulsion device and front end are preset on column with the end pipe of cutterhead, and the high-order degree of corresponding bottom of foundation ditch is dropped to through presetting stake holes
It sets, drives end pipe to be formed towards another heel post jacking for installing the space of steel pipe tube coupling section by section using horizontal propulsion device,
It is horizontally-supported to be formed in the soil body after steel pipe completes installation in the case where non-excavation pit, it solves and first digs foundation pit
After horizontally-supported form of construction work be set be difficult to the technical issues of effective control is played to foundation pit deformation, reach and achieve effective control base
The purpose of hole deforms and reduces Construction control cost.
To achieve the above object, the technical scheme adopted by the utility model is that providing a kind of branch with underground horizontal support
Watch box system, the region of the support system is defined by two campshed holes to be formed, which is characterized in that the support system includes: several
Column enables a column be inserted in a stake holes, and several columns include being located therein the first of a campshed hole to stand
Column and the second column set on another campshed hole；Definition is set to the first column and the second column in corresponding two stake holes in position
For a vertical supporting group；Horizontal propulsion device is respectively arranged on the identical height of each first column including several puopulsion equipments
On position；The horizontal propulsion device further includes the power-equipment and several puopulsion equipment power companies outside stake holes
It connects；Several steel pipes, each steel pipe are correspondingly connected between a vertical supporting group；Each steel pipe includes that more piece tube coupling is held
Composition is connect, one end of the steel pipe and the puopulsion equipment are detachably connected, and the other end of the steel pipe is equipped with detachably
End pipe；The end pipe is promoted by puopulsion equipment circulation, is shunk with the knife cutting soil body of end pipe front end described in jacking, and
Formed between the end pipe and the puopulsion equipment for installing the space of the tube coupling section by section, with first column with it is described
The steel pipe is formed between second column.
In the support system embodiment of the utility model, first column is respectively equipped with positioning on identical height and position
Card slot, the puopulsion equipment are fixedly arranged on the identical height and position of first column by the locating groove.
In the support system embodiment of the utility model, the lower section of the puopulsion equipment is equipped with supporting plate, the top of the supporting plate
The concave cambered surface of portion's screenshot, to form the tube coupling of the steel pipe and the temporary support structure of the end pipe.
In the support system embodiment of the utility model, one end of the tube coupling of the steel pipe is configured to socket, the other end at
Shape is bellmouth；It enables between the tube coupling and the tube coupling, between the tube coupling and the end pipe and the tube coupling is pushed away with described
Removably positioning and assembling is realized into all matched bellmouths of use and socket between equipment.
In the support system embodiment of the utility model, the system further includes grouting equipment, in which: the steel pipe it is each
Circular hole is offered on section tube coupling；The grouting equipment is set to outside the stake holes and is connected by the inside of Grouting Pipe and the steel pipe
It is logical；The grouting equipment is enabled to inject slurries to the steel duct, the slurries flow out to the steel through the circular hole of the steel pipe
Between pipe surface and surrounding soil, the slurries are coated on steel pipe outer peripheral surface and form bonding course.
The utility model due to use above technical scheme, make it have it is following the utility model has the advantages that
The utility model, can be the case where foundation pit excavate by the aforementioned support system with underground horizontal support
Under, underground by promote end pipe of the front end with cutterhead with by steel pipe tube coupling be installed on section by section the first column and the second column it
Between formed it is horizontally-supported, and it is horizontally-supported go along with sb. to guard him connection with foundation pit periphery vertical supporting after, be formed together complete foundation pit
Support system effectively reduces bottom of foundation ditch deformation when excavation of foundation pit is completed to greatly improve the rigidity of foundation pit supporting system
With the displacement of foundation pit supporting system, the security performance of foundation pit supporting system is effectively improved.
The these and other objects of the utility model, feature and advantage are obtained by following detailed descriptions and claim
To fully demonstrate, and can be achieved by means, device and the their combination specially pointed out in appended claims.
Detailed description of the invention
Fig. 1 is that two heel post of foundation pit transfers the schematic longitudinal section finished in the utility model embodiment.
Fig. 2 is the schematic cross-sectional view before the utility model embodiment central post, horizontal propulsion device and the non-jacking of end pipe.
Fig. 3 is the schematic longitudinal section of supporting plate and steel pipe in the utility model embodiment.
Fig. 4 is that the utility model embodiment central post, horizontal propulsion device and steel pipe and the non-jacking of end pipe, horizontal promote fill
Set schematic cross-sectional view when contraction.
Fig. 5 is the utility model embodiment central post, horizontal propulsion device and round tube and end pipe jacking is completed, level promotes
The schematic cross-sectional view that device does not retract.
Fig. 6 is the utility model embodiment central post, horizontal propulsion device and round tube and end pipe jacking is completed, level promotes
The schematic cross-sectional view that device retracts.
Fig. 7 is before the decentralization of next section steel pipe finishes, horizontal propulsion device and steel pipe are not held out against in the utility model embodiment
Schematic cross-sectional view.
Fig. 8 finishes for section steel pipe decentralization next in the utility model embodiment, horizontal propulsion device and steel pipe top are next
Schematic cross-sectional view.
Fig. 9 is the schematic cross-sectional view in the utility model embodiment after the completion of support system construction.
Figure 10 is the schematic longitudinal section in the utility model embodiment during horizontal propulsion device jacking steel pipe.
Figure 11 is the schematic longitudinal section that horizontal propulsion device jacking steel pipe finishes in the utility model embodiment.
Figure 12 is the schematic longitudinal section that grouting equipment finishes steel pipe slip casting in the utility model embodiment.
The corresponding relationship of appended drawing reference and component is as follows:
Stake holes 10；Column 20；Vertical supporting group 200；First column 201；Second column 202；Locating groove 21；Supporting plate
22；Horizontal propulsion device 30；Puopulsion equipment 31；Power-equipment 32；Service line 33；Bolt 34；Steel pipe 40；Circular hole 41；Consolidation
Layer 42；End pipe 50；Cutterhead 51；Cutterhead power cable 52；Grouting equipment 60；Grouting Pipe 61.
Specific embodiment
Herein by the detailed specific embodiment of open the utility model.It should be appreciated, however, that disclosed implementation
Scheme is only the typical example of the utility model, and the utility model can be implemented by a variety of alterative versions.Therefore,
Specific structure and function details disclosed herein are not limiting, and are only using claim as principle, as to this field
Technical staff illustrates the representativeness principle of different embodiments.
For the benefit of to the understanding of the utility model, it is illustrated with reference to the accompanying drawings and embodiments.
Fig. 1 to Figure 12 is please referred to, the utility model provides a kind of support system with underground horizontal support.Wherein, institute
State support system include define the two campshed holes 10 to form the foundation pit construction region, the column 20 being set to inside stake holes 10,
Horizontal propulsion device 30, steel pipe 40 and grouting equipment 60, and by stake holes 10 to the grouting equipment 60 of 40 inside slip casting of steel pipe.
As shown in Fig. 1, Fig. 9, the support system drills to form two campsheds in the opposite sides of corresponding foundation pit predeterminable area
Hole 10.Each 10 inside of the stake holes is vertically plugged with a column 20, and the column 20 is fashioned iron, and concretely H profile steel, is used
Using as the force structure gone along with sb. to guard him vertically.
In the utility model embodiment, as shown in Figure 1, the side of the column 20 is equipped with locating groove 21 and supporting plate
22, the locating groove 21 is to be fixedly mounted the horizontal propulsion device 30；As shown in figure 3, the supporting plate 22 was being constructed
The support construction temporarily disposed in journey as the offer steel pipe 40 and the end pipe 50, the supporting plate 22 are top cross-section in recessed
The support construction of shape cambered surface, the diameter of the concave-shaped arc surface is preferably consistent with the diameter of the end pipe 50 and the steel pipe 40 or omits
Greatly, to allow end pipe 50 and steel pipe 40 to be just placed in the concave-shaped arc surface and obtain locating effect, facilitate end pipe 50 and steel pipe
40 positioning and linking before being promoted by horizontal propulsion device 30.Wherein, the locating groove 21 and the supporting plate 22 are set to vertical
The height and position of 20 side of column can specifically be determined according to excavation of foundation pit depth, be preferably located at 1 meter of base plate of foundation pit or less or so.
Wherein, since the steel pipe 40 is by by the column 20 of 20 jacking of column of foundation pit side to the other side, so as to form
One complete support system；Therefore, the column 20 that the utility model support system is only set to side stake holes 10 needs to weld
The horizontal propulsion device 30 and steel pipe 40 are installed, the column 20 in other side stake holes 10 does not need then.Therefore definition is set to it
In the column 20 in a campshed hole 10 be the first column 201, the column 20 set on another campshed hole 10 is the second column 202, and is set
The first column 201 and the second column 202 in corresponding two stake holes 10 in position are a vertical supporting group 200.
As shown in Fig. 1 and Fig. 5 to Fig. 8, the horizontal propulsion device 30 to provide horizontal jacking strength to steel pipe 40, with
By steel pipe 40 from 201 jacking of the first column to the second column 202.As shown in Figure 1, shown in Figure 11, the horizontal propulsion device 30 includes
Several puopulsion equipments 31 are respectively arranged on the identical height and position of each first column 201；The horizontal propulsion device 30 is also
It is connected by power by service line 33 with several puopulsion equipments 31 including being set to the power-equipment 32 outside stake holes 10.Yu Ben
In utility model embodiment, the length of column 20 is about 1.5 to 2 times of foundation depth, and the puopulsion equipment 31 is preferably set to vertical
On the position on the lower side of the middle part or middle part of column 20；In addition, as shown in Figure 1, the puopulsion equipment 31 is set by the fixation of bolt 34
It is placed on the locating groove 21.
Such as Fig. 4 to Fig. 8, the steel pipe 40 be connect to constitute by a tube coupling group successively, and between tube coupling and tube coupling, tube coupling with
Positioning and assembling is all realized using matched bellmouth and socket between end pipe 50 and between tube coupling and puopulsion equipment 31.Specifically,
One end of each tube coupling is configured to socket, and the other end is configured to bellmouth, and the bore partial enlargement of female end forms internal diameter than inserting
The outer diameter at mouth end is bigger, whereby, when installing connection, passes through the connection being inserted into socket end between female end realization pipe end.Such as
Shown in Fig. 5, the puopulsion equipment 31 is formed with socket and the bellmouth group of tube coupling connects, and the end pipe 50 is formed with bellmouth and tube coupling
Socket group connects.
As shown in Fig. 2, Fig. 4 and Fig. 5, the front end of the end pipe 50 is equipped with cutterhead 51, cutting front soil body when to jacking,
And the power of the rotation of the cutterhead 51 cutting soil body is provided by the cutterhead power cable 52 drawn from the power-equipment 32；It is described
The rear end of end pipe 50 is connect by construction progress and the puopulsion equipment 31 or 40 groups of the steel pipe.In the utility model embodiment,
Circular hole 41 is also provided on the steel pipe 40；The grouting equipment 60 is set to 10 outside of stake holes and passes through Grouting Pipe 51 and institute
It states and is connected to inside the bigger diameter end 401 of steel pipe 40；Enable the grouting equipment 60 to slurries are injected inside the steel pipe 40, slurries are through pipe
Gap flowing between the interior soil body, then the circular hole 41 through the steel pipe 40 flow out between 40 surface of steel pipe and surrounding soil,
The slurries are coated in 40 outer peripheral surface of steel pipe and form a bonding course 42 after solidifying, to effectively increase the utility model water
The security performance when overall stiffness of flat support and its use.
Be explained above the utility model with underground horizontal support support system specific structure form, below please with
Fig. 1 cooperation illustrates that the utility model carries out the supporting with underground horizontal support in the foundation pit not excavated refering to Fig. 2 to Figure 12
System construction method.The support system construction method step of the utility model includes that horizontally-supported Preinstallation Steps, stake holes are formed
Step, column decentralization step and horizontally-supported forward step.Wherein:
The horizontally-supported Preinstallation Steps: as shown in Figure 1, providing several columns 20；The identical height of column 20 in part
It spends and horizontal propulsion device 30 and end pipe 50 is installed on position；Definition is equipped with horizontal propulsion device 30 and the column 20 of end pipe 50 is
First column 201, other columns 20 are the second column 202.In this step, the puopulsion equipment 31 of the horizontal propulsion device 30
It by the locating groove 21 being fixedly arranged on the column 20, is fixedly installed on the column 20, the end pipe 50 can be pushed into
Ground is placed in the concave-shaped arc surface of the supporting plate 22 and between the horizontal propulsion device 30 by bellmouth/outlet structure group
It connects, in order to subsequent propulsion operation；The puopulsion equipment 31 of the horizontal propulsion device 30 and by bottom be arranged bolt 34, with
It is fixedly connected on the column 20.
The stake holes forming step: as shown in Figure 1, the opposite sides in foundation pit predeterminable area drills to form two campshed holes
10.In this step, the stake holes 10 is drilled using chute forming machine in specified position grooving according to design code.
The column transfers step: as shown in Figure 1, transferring a column 20 in each stake holes 10, and first column
201 are lowered in a wherein campshed hole 10, and second column 202 is lowered in another campshed hole 10.
The horizontally-supported forward step: as shown in Fig. 4 to Fig. 8, driving horizontal propulsion device 30 promotes the end pipe 50
Tube coupling with the steel pipe 40 is towards 202 jacking of the second column, until end and second column 202 of steel pipe 40 connect
Stop promoting after touch, enables the steel pipe 40 be formed between two campshed holes 10 side by side and constitute horizontally-supported.In this step, institute
Stating horizontal propulsion device 30 includes puopulsion equipment 31, power-equipment 32 and service line 33, and the puopulsion equipment 31 passes through described
Locating groove 21 is fixedly arranged on the column 20, and the power-equipment 32 is set to 10 outside of stake holes and passes through the power pipe
Line 33 is connected by power the puopulsion equipment 31, to enable puopulsion equipment 31 that the steel pipe 40 is driven to promote.
In the construction method embodiment of the utility model, as shown in Fig. 2 to Fig. 8, the puopulsion equipment 31 can be dynamic
It is shunk and is extended under the control of power equipment 32, the puopulsion equipment 31 is shunk and elongation is desirably equal to or is slightly larger than steel
One section tube coupling length of pipe 40, is attached in order to transfer the tube coupling between puopulsion equipment 31 and steel pipe 40.Steel pipe
The specific decentralization of a 40 section tube coupling and jack-in process are described as follows:
(1) end pipe 50 is installed on puopulsion equipment 31 by such as Fig. 2, is passed through service line 33 and is controlled 31 jacking end of puopulsion equipment
Pipe 50, in progradation, the 51 rotary cutting soil body of cutterhead；When jacking length reaches a 40 tube coupling length of steel pipe, institute is controlled
The contraction of puopulsion equipment 31 is stated, so that one section of spacing is formed between 31 end of puopulsion equipment and the bellmouth of end pipe 50, decentralization first
It saves in tube coupling to the spacing, then controls the propulsion of puopulsion equipment 31 again, make the bellmouth of first segment tube coupling and puopulsion equipment 31
The socket of socket connection and first segment tube coupling is connect with the bellmouth of end pipe 50, forms the state such as Fig. 4.
(2) as shown in figure 5, when the jacking length of puopulsion equipment 31 reaches a 40 tube coupling length of steel pipe, then secondary control
The puopulsion equipment 31 is shunk, to as shown in fig. 6, be formed between the bellmouth of first segment tube coupling and the socket of puopulsion equipment 31
One section of spacing；As shown in fig. 7, in the second section tube coupling to the spacing of decentralization, then the propulsion of puopulsion equipment 31 is controlled, make the second decentralization
The bellmouth of tube coupling is connect with the socket of puopulsion equipment 31 and the socket of the second decentralization tube coupling is connect with the bellmouth of the first decentralization tube coupling,
Form the state such as Fig. 8.
(3) whereby, pass through circulation jacking puopulsion equipment 31, contraction puopulsion equipment 31, decentralization tube coupling, again jacking puopulsion equipment
31, the construction process for shrinking puopulsion equipment 31 again, until 50 jacking of end pipe reaches in the stake holes 10 equipped with the second column 202；It connects
It writes, is hung out end pipe 50 from stake holes 10 by lifting appliance, make to be formed between first segment tube coupling and the second column 202 to promote again
Space；Then, by transferring final section tube coupling in the stake holes 10 of the first column 201 again, control puopulsion equipment 31 is promoted
Steel pipe 40 (first segment to final section tube coupling constitute) stops propulsion when first segment tube coupling and the second column 202 contact, complete
It works at all jackings.
Preferably, support system construction method of the utility model with underground horizontal support further includes grouting and reinforcing step
Suddenly；Wherein, as shown in Fig. 4 to Fig. 8, in the horizontally-supported Preinstallation Steps, each tube coupling surface of the steel pipe 40 is distinguished
It is disposed with circular hole 41.As shown in Figure 10, Figure 11, the utility model passes through with the recycling propulsion/contraction jacking end pipe of puopulsion equipment 31
The 50 cutting soil bodys, to install tube coupling section by section to form the steel pipe 40 between the first column 201 and the second column 202；Such as
Shown in Figure 12, after the installation for completing steel pipe 40, in the grouting and reinforcing step, the horizontal propulsion device 30 is closed, is passed through
Grouting equipment 60 injects grout into inside the steel pipe 40, flows into slurries steel pipe 40 weeks by the circular hole 41 on 40 surface of steel pipe
It encloses in the soil body, forms the bonding course 42 for being coated on 40 exterior circumferential of steel pipe after slurry solidifies, realize to 40 inside of steel pipe and week
Enclose the purpose that the soil body is reinforced.
More specifically, the grouting equipment 60 is set to outside the stake holes 10, and passes through slip casting in grouting and reinforcing step
It is connected to inside pipe 61 and the steel pipe 40 to carry out slip casting；The grouting equipment 60 is closed after reaching design grouting amount；Wait infuse
Enter after slurries reach regulation age, completes support system construction.
To sum up, the utility model is by preceding solution, realize a kind of support system with underground horizontal support and
Its construction method, in the case where non-excavation pit, can be formed in the soil body it is horizontally-supported, not only solve first dig foundation pit after
Horizontally-supported form of construction work is set and is difficult to the technical issues of effective control is played to foundation pit deformation, while reaching effectively control foundation pit
Deformation and other effects.
Combine accompanying drawings and embodiments that the utility model is described in detail above, those skilled in the art can
Many variations example is made to the utility model according to the above description.Thus, certain details in embodiment should not be constituted to this reality
With novel restriction, the utility model will be using the range that the appended claims define as the protection scope of the utility model.
Claims (5)
1. a kind of support system with underground horizontal support, the region of the support system is defined by two campshed holes to be formed,
It is characterized in that, the support system includes:
Several columns enable a column be inserted in a stake holes, and several columns include being located therein a campshed hole
The first column and the second column set on another campshed hole；Definition be set to corresponding two stake holes in position in the first column with
Second column is a vertical supporting group；
Horizontal propulsion device is respectively arranged on the identical height and position of each first column including several puopulsion equipments；It is described
Horizontal propulsion device further includes that the power-equipment outside stake holes is connected by power with several puopulsion equipments；
Several steel pipes, each steel pipe are correspondingly connected between a vertical supporting group；Each steel pipe includes more piece tube coupling
It accepts and constitutes, one end of the steel pipe and the puopulsion equipment are detachably connected, and the other end of the steel pipe is equipped with removable
The end pipe unloaded；The end pipe is promoted by puopulsion equipment circulation, is shunk with the knife cutting soil body of end pipe front end described in jacking, and
The space for installing the tube coupling section by section is formed between the end pipe and the puopulsion equipment, in first column and institute
It states and forms the steel pipe between the second column.
2. the support system according to claim 1 with underground horizontal support, it is characterised in that:
First column is respectively equipped with locating groove on identical height and position, and the puopulsion equipment passes through the locating groove
It is fixedly arranged on the identical height and position of first column.
3. the support system according to claim 1 or 2 with underground horizontal support, it is characterised in that:
The lower section of the puopulsion equipment is equipped with supporting plate, the concave cambered surface of top screenshot of the supporting plate, to form the steel pipe
The temporary support structure of tube coupling and the end pipe.
4. the support system according to claim 1 with underground horizontal support, it is characterised in that:
One end of the tube coupling of the steel pipe is configured to socket, and the other end is configured to bellmouth；Enable between the tube coupling and the tube coupling,
All use matched bellmouth and socket real between the tube coupling and the end pipe and between the tube coupling and the puopulsion equipment
Now removably positioning and assembling.
5. the support system according to claim 1 with underground horizontal support, which is characterized in that the system further includes
Grouting equipment, in which:
Circular hole is offered on each section tube coupling of the steel pipe；
The grouting equipment is set to outside the stake holes and is connected to by Grouting Pipe with the inside of the steel pipe；
The grouting equipment is enabled to inject slurries to the steel duct, the slurries flow out to the steel through the circular hole of the steel pipe
Between pipe surface and surrounding soil, the slurries are coated on steel pipe outer peripheral surface and form bonding course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821193882.8U CN208870044U (en) | 2018-07-26 | 2018-07-26 | Support system with underground horizontal support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821193882.8U CN208870044U (en) | 2018-07-26 | 2018-07-26 | Support system with underground horizontal support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208870044U true CN208870044U (en) | 2019-05-17 |
Family
ID=66463609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821193882.8U Active CN208870044U (en) | 2018-07-26 | 2018-07-26 | Support system with underground horizontal support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208870044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824449A (en) * | 2018-07-26 | 2018-11-16 | 中国建筑第八工程局有限公司 | Support system and its construction method with underground horizontal support |
-
2018
- 2018-07-26 CN CN201821193882.8U patent/CN208870044U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824449A (en) * | 2018-07-26 | 2018-11-16 | 中国建筑第八工程局有限公司 | Support system and its construction method with underground horizontal support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101886390B (en) | All casing static pressure pile pulling technology in narrow space | |
| CN203080518U (en) | Self-drilling type recoverable anchor wire | |
| CN108532586A (en) | A kind of construction method of garage parking diaphram wall | |
| CN104018512A (en) | Open caisson sinking construction method slightly disturbing environment | |
| CN201933510U (en) | Outlet shaft structure of underground factories in hydroelectric engineering | |
| CN105909265A (en) | Heaving-prevention retrusive deep-hole grouting system and method for passing through existing shield tunnel | |
| KR102002526B1 (en) | Vertical shaft excavation system and the construction method of vertical shaft using thereof | |
| CN208870044U (en) | Support system with underground horizontal support | |
| CN105369800B (en) | One-time forming construction method for inserting steel pipe column into cast-in-situ bored pile in pilot tunnel | |
| CN108824449A (en) | Support system and its construction method with underground horizontal support | |
| CN107165173A (en) | A kind of foundation pit supporting system and its construction method | |
| CN112726627B (en) | Bored pile structure in karst region and construction method | |
| CN104074234B (en) | The interior river intake structure of electric power plant circulating water system and construction method thereof | |
| CN110093929A (en) | A kind of underground engineering is along practice construction method and structure | |
| CN104879137A (en) | Super-large pipe shed construction method | |
| CN206071589U (en) | A kind of multifunctional numerical control shaft sinking device | |
| CN214994477U (en) | Pipeline changes structure in foundation ditch | |
| CN104389609A (en) | No-blasting mechanical digging method | |
| CN214169107U (en) | Cast-in-situ bored pile structure in area with intense karst | |
| CN108412518A (en) | A kind of double set cylinder drill pipes and its construction method with orientation given layer slip casting function | |
| CN201158818Y (en) | Anti-corrosion anchor bar with centering slurry guiding tube | |
| CN208815550U (en) | A kind of rich water powder land floor precipitation and recharge construction system | |
| CN205805553U (en) | Pass through existing shield tunnel anti-protuberance retrusive deep hole grouting system | |
| CN207700198U (en) | A kind of advanced support supporting construction | |
| CN102677724B (en) | Mechanical steel sleeve installation device and mechanical steel sleeve installation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |