CN108894233A - A kind of suspension roof support structure of foundation pit band anchoring wall - Google Patents
A kind of suspension roof support structure of foundation pit band anchoring wall Download PDFInfo
- Publication number
- CN108894233A CN108894233A CN201810685670.XA CN201810685670A CN108894233A CN 108894233 A CN108894233 A CN 108894233A CN 201810685670 A CN201810685670 A CN 201810685670A CN 108894233 A CN108894233 A CN 108894233A
- Authority
- CN
- China
- Prior art keywords
- foundation pit
- anchor pole
- bolt body
- strut
- anchor
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of suspension roof support structures of foundation pit band anchoring wall, belong to Base hole supporting technology field, including foundation pit, the anchoring wall and several anchor poles being set between anchoring wall and foundation pit being set in foundation pit, it is described anchor rod anchored on anchoring wall, the anchor pole includes bolt body, anchor pole casing and anchor pole tip, the bolt body and the anchor pole casing releasable connection, the bolt body is fixedly connected with anchor pole tip, several circumferentially distributed several struts are fixed on the side wall of the bolt body, the strut is hollow pipe, the strut is contradicted far from the bolt body side and the anchor pole casing and is connected.By the support action of anchor pole and strut, strut can effectively increase the contact area of anchor pole Yu foundation pit soil layer, steadily supporting foundation pit soil layer, promote the supporting effect of anchor pole, solve the problems, such as that conventional anchor supporting foundation pit is unstable.
Description
Technical field
The present invention relates to Pit Bracing in Soft Soil fields, and in particular to a kind of suspension roof support structure of foundation pit band anchoring wall.
Background technique
Base pit engineering is that protection underground space open-cut goes on smoothly without damage with surrounding enviroment and takes interim
Supporting and soil stabilization engineering.Base pit engineering is to integrate Geological Engineering, geotechnical engineering, Structural Engineering and ground measuring technology
System engineering.Most simple, the most economical method of foundation pit construction is that amplification slope is excavated, but is often subject to site condition, peripheral ring
The limitation in border needs to design support system to guarantee going on smoothly for construction.With the development of engineering construction, foundation pit is increasingly
Greatly, deeper and deeper, during foundation construction, foundation pit is reduced to the greatest extent under the premise of guaranteeing buildings around foundation pit and deep pit monitor
Supporting cost shortens the construction period, and becomes the unremitting pursuit of engineers and technicians.
Such as the Chinese patent that Authorization Notice No. is CN206419056U, the anchor pole branch with anchor sleeve which disclose a kind of
Protection structure, including the anchor pole with anchor sleeve, which includes anchor sleeve and anchor rod body；Wherein, anchor rod body
For hollow tubular body, and several slurry outlets are offered on hollow tubular body, anchor sleeve is sleeved on the middle part of anchor rod body.
Since weak soil physico-mechanical properties are poor, the anchor pole resistance to plucking bearing capacity for causing to be laid in inside rock mass is lower, becomes
Shape is larger.It is usually simply possible to use within depth 6m with the various spray anchor soil nail walls and composite soil nailing wall of conventional anchor or plate brad supporting
Soft shallow soft soil foundation pit, depth is more than the deeper soft soil foundation pit of 6m can only be using other foundation pit supporting constructions such as campshed, engineering cost
With height, long construction period.Bonding between existing anchor pole and rock mass mainly manufactures some screw threads in anchor surface, by spiral shell
Line increases the frictional force between anchor pole and rock mass, and friction is small between this anchor pole and rock mass, to the anchor force of rock mass
It is insufficient, it is difficult to achieve the effect that efficient Bolted Rock Masses.Meanwhile when traditional suspension roof support foundation pit soil layer, fixed body is to soil layer
Supporting area is smaller, influences anchor pole to the stability of pattern foundation pit supporting structure.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the invention is to provide a kind of suspension roof support structure, by anchor pole with
The support action of strut, steadily supporting foundation pit soil layer, solves the problems, such as that conventional anchor supporting foundation pit soil layer is unstable, makes anchor pole
Supporting preferably can be carried out to foundation pit soil layer.
The purpose of the present invention is being achieved through the following technical solutions, a kind of suspension roof support structure of foundation pit band anchoring wall, packet
The anchoring wall and several anchor poles being set between anchoring wall and foundation pit for including foundation pit, being set in foundation pit, it is described anchor rod anchored
In on anchoring wall, the anchor pole includes bolt body, anchor pole casing and anchor pole tip, the bolt body and the anchor sleeve
Pipe releasable connection, the bolt body are fixedly connected with anchor pole tip, and several edges are fixed on the side wall of the bolt body
Circumferentially distributed several struts, the strut are hollow pipe, side of the strut far from the bolt body and the anchor pole
Casing contradicts connection.
By using above-mentioned technical proposal, anchor pole is inserted between anchoring wall and excavation slope, the insertion that anchor pole is stable is made
Anchor pole casing is taken out far from the side of anchor pole tip in foundation pit soil layer, then along bolt body, the soil layer in excavation slope is in weight
It under the action of power, is in close contact with the strut in bolt body, strut is embedded in soil layer, can increase bolt body and foundation pit soil layer
Contact area, be embedded in bolt body firmly in foundation pit, improve bolt body to the supporting effect of foundation pit soil layer, energy
It effectively prevent the soil layer in foundation pit to collapse.
The present invention is further arranged to：The strut is an integral molding structure with the bolt body.
It by using above-mentioned technical proposal, is integrally formed by strut and bolt body, saves manufacturing cost, facilitate processing
Personnel's processing and manufacturing.
The present invention is further arranged to：The tapered setting in anchor pole tip.
By using above-mentioned technical proposal, when in anchor pole insertion foundation pit soil layer, the tapered setting in anchor pole tip, anchor pole point
The contact area of anchor pole Yu foundation pit soil layer can be greatly reduced in portion, increase anchor pole tip to the active force of foundation pit soil layer, conveniently
Anchor pole is smoothly inserted into foundation pit soil layer, saves manpower.
The present invention is further arranged to：The bolt body is fixed with connection on one end side wall of anchor pole tip
Ring offers annular groove in the connection ring, and the annular groove is connect with the anchor pole casing threads.
Work as anchor pole since anchor pole casing is threadedly coupled with bolt body by annular groove by using above-mentioned technical proposal
After being inserted into foundation pit, by rotating anchor pole casing, so that anchor pole casing is separated with bolt body, facilitates and take out anchor pole casing.
The present invention is further arranged to：Cement slurry is perfused in the bolt body.
By using above-mentioned technical proposal, anchor pole casing is taken out by rotation, the grout injection in bolt body works as water
After mud solidification, cement slurry carries out weight gain by a relatively large margin to bolt body, makes the supporting foundation pit soil layer that bolt body is more firm.
The present invention is further arranged to：The tapered setting of strut, the caliber of the strut is along close to bolt body one
Side is gradually increased.
By using above-mentioned technical proposal, after the grout injection in bolt body, branch that cement slurry passes through hollow pipe
Bar is flowed into foundation pit soil layer, after cement slurry sets, so that the soil layer adhesion near strut and strut, makes the fixation that strut is stable
In foundation pit soil layer.
The present invention is further arranged to：The first slurry hole, the section in first slurry hole are offered on the side wall of the strut
Rounded setting.
By using above-mentioned technical proposal, after the grout injection in bolt body, a part of cement slurry is along strut
The first slurry hole on side wall is flowed into foundation pit soil layer, after cement slurry sets, makes strut and neighbouring foundation pit soil layer adhesion, more preferably
Anchor pole is stabilized in foundation pit soil layer；First slurry hole of circle setting, facilitates cement slurry to flow into neighbouring out of strut side wall
In soil layer.
The present invention is further arranged to：Several the second circumferentially distributed slurries are offered on the side wall of the bolt body
Hole, the rounded setting in section in second slurry hole.
By using above-mentioned technical proposal, after grout injection in bolt body, cement slurry is flowed into along the second slurry hole
In soil layer near to bolt body, the contact area of anchor pole Yu foundation pit soil layer is increased, after cement slurry sets, make bolt body
Preferably it is fixed in foundation pit soil layer；Second slurry hole of circle setting, facilitates cement slurry to flow into neighbouring soil out of bolt body
In layer.
The present invention is further arranged to：The anchor pole tip is equipped with external screw thread.
By using above-mentioned technical proposal, the external screw thread on anchor pole tip makes frictional force between anchor pole tip and anchoring wall
Increase, and then the connection for making anchor pole tip and anchoring between wall is more firm.
The present invention is further arranged to：The internal diameter of bolt body is 20~24mm.
In conclusion the invention has the advantages that：
1, by the strut in bolt body, so that the contact area between bolt body and foundation pit increases, it can be preferably
Supporting is carried out to the soil layer in excavation slope；
2, by the grout injection in bolt body, after cement slurry sets, the own wt of bolt body is increased
Weight, is mounted in foundation pit soil layer so that bolt body is stable；
3, by the way that anchoring wall is inserted into anchor pole tip, anchor pole tip is fixedly connected with anchoring wall, makes the fixation that anchor pole is stable
On anchoring wall, and then anchor pole is made preferably to carry out supporting to foundation pit soil layer, enhances supporting effect.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of overall structure diagram of the suspension roof support structure of foundation pit band anchoring wall in the embodiment of the present invention；
Fig. 2 is a kind of anchor structure schematic diagram of the suspension roof support structure of foundation pit band anchoring wall in the embodiment of the present invention；
The connection that Fig. 3 anchors the anchor pole and strut of the suspension roof support structure of wall for foundation pit band a kind of in the embodiment of the present invention is shown
It is intended to；
Fig. 4 is enlarged drawing at the A of Fig. 1.
Appended drawing reference：1, foundation pit；2, wall is anchored；3, anchor pole；31, bolt body；311, the second slurry hole；32, anchor pole tip；
4, connection ring；41, annular groove；5, strut；51, the first slurry hole；6, steel mesh；7, anchor pole casing.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment：A kind of suspension roof support structure of foundation pit band anchoring wall, as shown in Figure 1, including foundation pit 1, the side slope of foundation pit 1
It is interior to be equipped with anchoring wall 2, the anchor pole 3 for supporting foundation pit 1 is additionally provided in the side slope of foundation pit 1, anchor pole 3 is anchored on anchoring wall 2, anchor
Gu the cement-soil pile of cement production systD of the mixing containing 15%-25% weight in soil can be used in wall 2.Pass through the side slope in foundation pit 1
Interior setting anchors wall 2, convenient to reinforce to the soil layer of foundation pit 1, prevents the soil layer in foundation pit 1 from collapsing, can preferably prop up
Protect the soil layer in foundation pit 1.
As shown in figures 1 and 3, anchor pole 3 include bolt body 31, bolt body 31 be hollow pipe, bolt body 31 it is interior
Diameter is 20~24mm, and the side of bolt body 31 is fixedly connected with the anchor pole tip 32 being anchored on anchoring wall 2, anchor pole tip 32
Tapered setting offers external screw thread on anchor pole tip 32, offers on the side wall of bolt body 31 several circumferentially distributed
Second slurry hole 311, the rounded setting in section in the second slurry hole 311.By the grout injection into bolt body 31, to anchor pole sheet
Body 31 increases weight, while a part of cement slurry is flowed near bolt body 31 by the second slurry hole 311 in bolt body 31
Soil layer in, after cement slurry sets, be fixed on bolt body 31 preferably in 1 soil layer of foundation pit.
As shown in Figure 1 and Figure 4, the side wall of bolt body 31 is equipped with several struts 5 communicated with bolt body 31, strut
5 be hollow pipe, and strut 5 is an integral molding structure with anchor pole.By the support action of strut 5, bolt body 31 and base are increased
The contact area for cheating 1 soil layer is fixed on bolt body 31 more preferably in 1 soil layer of foundation pit.Several edges are offered on the side wall of strut 5
The first circumferentially distributed slurry hole 51, the rounded setting in section in the first slurry hole 51.By the grout injection into bolt body 31,
A part of cement slurry flows into neighbouring soil layer along the first slurry hole 51 in bolt body 31, makes the soil near strut 5 and strut 5
Layer adhesion, and then it is fixed on strut 5 preferably in 1 soil layer of foundation pit, anchor pole 3 is enhanced to the supporting effect of 1 soil layer of foundation pit.
As shown in Figure 1, Figure 2 and Figure 4, in order to the strut 5 on 31 side wall of bolt body is preferably inserted into 1 soil layer of foundation pit
Interior, bolt body 31 is welded with connection ring 4 on one end of anchor pole tip 32, and annular groove 41, annular groove are provided in connection ring 4
41 internal screw threads are connected with anchor pole casing 7, and the one end of strut 5 far from bolt body 31 and anchor pole casing 7, which contradict, to be connected.Anchor pole 3 is inserted
After the soil layer for entering foundation pit 1, by rotating anchor pole casing 7, anchor pole casing 7 is along the length direction of bolt body 31 from annular groove 41
It inside skids off, contacts strut 5 with the soil layer in foundation pit 1, increase the contact area of anchor pole 3 Yu 1 soil layer of foundation pit, facilitate strut 5
Supporting is carried out to the soil layer of foundation pit 1, while enhancing anchor pole 3 to the supporting effect of 1 soil layer of foundation pit.
As shown in figures 1 and 3, steel mesh 6 is fixed in the side slope of foundation pit 1, steel mesh 6 and the welding of bolt body 31 connect
It connects.It is welded to connect by steel mesh 6 and bolt body 31, is stably fixed to bolt body 31 in 1 soil layer of foundation pit, enhance anchor
Bar 3 prevents the soil layer in foundation pit 1 from collapsing the supporting effect of 1 soil layer of foundation pit.
Installation process：
Anchor pole 3 is inserted into 1 soil layer of foundation pit, anchor pole tip 32 is anchored on anchoring wall 2, passes through anchor pole tip 32 and anchoring
Wall 2 is fixedly connected, and is enabled anchor pole 3 is stable to be inserted in the soil layer of foundation pit 1, is preferably propped up the soil layer of foundation pit 1
Shield；
It is connect since anchor pole casing 7 is threadably secured with annular groove 41, by rotating anchor pole casing 7, makes anchor pole casing 7
It is skidded off out of annular groove 41 along 31 length direction of bolt body, anchor pole casing 7 is separated with annular groove 41, then by grout pouring
Enter in bolt body 31, a part of cement slurry is flowed by hollow strut 5 in the soil layer of foundation pit 1, in bolt body 31 also
A part of cement slurry is then flowed into the soil layer of foundation pit 1 by the first slurry hole 51 and the second slurry hole 311 respectively；When 1 soil layer of foundation pit with
After cement slurry sets in bolt body 31, the weight of bolt body 31 is further increased, while making bolt body 31 and branch
Bar 5 and neighbouring soil layer adhesion make bolt body 31 preferably carry out supporting to the soil layer in foundation pit 1, improve anchor pole 3 to foundation pit
Soil layer supporting effect in 1；
Again by the way that steel mesh 6 is arranged in the side slope of foundation pit 1, steel mesh 6 and bolt body 31 are welded to connect, by anchor pole
3 are fixed in 1 soil layer of foundation pit, further enhance anchor pole 3 to the supporting effect of 1 soil layer of foundation pit.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements, can be wireless connection, be also possible to wired connection.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of suspension roof support structure of foundation pit band anchoring wall, including foundation pit, the anchoring wall being set in foundation pit and several set
The anchor pole being placed between anchoring wall and foundation pit, it is described anchor rod anchored on anchoring wall, it is characterised in that：The anchor pole includes anchor pole
Ontology, anchor pole casing and anchor pole tip, the bolt body and the anchor pole casing releasable connection, the bolt body and anchor
Bar tip is fixedly connected, and several circumferentially distributed several struts, the strut are fixed on the side wall of the bolt body
For hollow pipe, side of the strut far from the bolt body and the anchor pole casing are contradicted and are connected.
2. the suspension roof support structure of foundation pit band anchoring wall according to claim 1, it is characterised in that：The strut with it is described
Bolt body is an integral molding structure.
3. the suspension roof support structure of foundation pit band anchoring wall according to claim 1, it is characterised in that：The anchor pole tip is in
Cone cell setting.
4. the suspension roof support structure of foundation pit band anchoring wall according to claim 1, it is characterised in that：The bolt body is leaned on
It is fixed with connection ring on one end side wall of nearly anchor pole tip, annular groove, the annular groove and institute are offered in the connection ring
State the connection of anchor pole casing threads.
5. the suspension roof support structure of foundation pit band anchoring wall according to claim 1, it is characterised in that：In the bolt body
It is perfused with cement slurry.
6. the suspension roof support structure of foundation pit band anchoring wall according to claim 1 or 2, it is characterised in that：The strut is in
The caliber of cone cell setting, the strut is gradually increased along close to bolt body side.
7. the suspension roof support structure of foundation pit band anchoring wall according to claim 1, it is characterised in that：The side wall of the strut
On offer the first slurry hole, the rounded setting in section in first slurry hole.
8. the suspension roof support structure of foundation pit band anchoring wall according to claim 5, it is characterised in that：The bolt body
Several the second circumferentially distributed slurry holes, the rounded setting in section in second slurry hole are offered on side wall.
9. the suspension roof support structure of foundation pit band anchoring wall according to claim 3, it is characterised in that：On the anchor pole tip
Equipped with external screw thread.
10. the suspension roof support structure of foundation pit band anchoring wall according to claim 1 or 2 or 4, it is characterised in that：The anchor
The internal diameter of bar body is 20~24mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685670.XA CN108894233A (en) | 2018-06-28 | 2018-06-28 | A kind of suspension roof support structure of foundation pit band anchoring wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685670.XA CN108894233A (en) | 2018-06-28 | 2018-06-28 | A kind of suspension roof support structure of foundation pit band anchoring wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108894233A true CN108894233A (en) | 2018-11-27 |
Family
ID=64346814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810685670.XA Pending CN108894233A (en) | 2018-06-28 | 2018-06-28 | A kind of suspension roof support structure of foundation pit band anchoring wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108894233A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854792A (en) * | 2019-11-28 | 2021-05-28 | 北京京诚华宇建筑设计研究院有限公司 | Double-layer wall connecting anchor rod, hollow double-layer wall structure and reinforcing construction method |
| CN112962622A (en) * | 2021-03-09 | 2021-06-15 | 重庆市巴岳建筑安装工程有限公司 | Building foundation pit supporting system |
| CN113756326A (en) * | 2021-09-12 | 2021-12-07 | 深圳市勘察测绘院(集团)有限公司 | Deep weak soil foundation ditch pit bottom utility tunnel environmental protection formula underground structure supporting device |
| CN114321494A (en) * | 2021-12-25 | 2022-04-12 | 广东冠雄建设集团有限公司 | Municipal pipeline protection structure and construction method thereof |
| CN114775594A (en) * | 2022-05-24 | 2022-07-22 | 河南建科城市更新工程技术有限公司 | Anchoring device for foundation pit support |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2800370A1 (en) * | 1978-01-05 | 1979-07-19 | Holzmann Philipp Ag | METHOD AND DEVICE FOR INSTALLING A PRESSURE ANCHOR INTO A SOIL FORMATION AGAINST PRESSURE WATER |
| CN205503159U (en) * | 2016-04-11 | 2016-08-24 | 汤晓辉 | High withdrawal resistance anchor of weak rock soil |
| CN207436069U (en) * | 2017-11-04 | 2018-06-01 | 杭州市城市建设基础工程有限公司 | A kind of deep foundation pit supporting structure |
-
2018
- 2018-06-28 CN CN201810685670.XA patent/CN108894233A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2800370A1 (en) * | 1978-01-05 | 1979-07-19 | Holzmann Philipp Ag | METHOD AND DEVICE FOR INSTALLING A PRESSURE ANCHOR INTO A SOIL FORMATION AGAINST PRESSURE WATER |
| CN205503159U (en) * | 2016-04-11 | 2016-08-24 | 汤晓辉 | High withdrawal resistance anchor of weak rock soil |
| CN207436069U (en) * | 2017-11-04 | 2018-06-01 | 杭州市城市建设基础工程有限公司 | A kind of deep foundation pit supporting structure |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854792A (en) * | 2019-11-28 | 2021-05-28 | 北京京诚华宇建筑设计研究院有限公司 | Double-layer wall connecting anchor rod, hollow double-layer wall structure and reinforcing construction method |
| CN112962622A (en) * | 2021-03-09 | 2021-06-15 | 重庆市巴岳建筑安装工程有限公司 | Building foundation pit supporting system |
| CN113756326A (en) * | 2021-09-12 | 2021-12-07 | 深圳市勘察测绘院(集团)有限公司 | Deep weak soil foundation ditch pit bottom utility tunnel environmental protection formula underground structure supporting device |
| CN113756326B (en) * | 2021-09-12 | 2022-08-23 | 深圳市勘察测绘院(集团)有限公司 | Deep weak soil foundation ditch pit bottom utility tunnel environmental protection formula underground structure supporting device |
| CN114321494A (en) * | 2021-12-25 | 2022-04-12 | 广东冠雄建设集团有限公司 | Municipal pipeline protection structure and construction method thereof |
| CN114321494B (en) * | 2021-12-25 | 2023-09-08 | 广东冠雄建设集团有限公司 | Municipal pipeline protection structure and construction method thereof |
| CN114775594A (en) * | 2022-05-24 | 2022-07-22 | 河南建科城市更新工程技术有限公司 | Anchoring device for foundation pit support |
| CN114775594B (en) * | 2022-05-24 | 2024-02-09 | 河南建科城市更新工程技术有限公司 | Anchor device for foundation pit support |
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Application publication date: 20181127 |