CN108316309A - The double-row pile composite construction and its construction method of deep basal pit supporting and retaining system - Google Patents
The double-row pile composite construction and its construction method of deep basal pit supporting and retaining system Download PDFInfo
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- CN108316309A CN108316309A CN201810123369.XA CN201810123369A CN108316309A CN 108316309 A CN108316309 A CN 108316309A CN 201810123369 A CN201810123369 A CN 201810123369A CN 108316309 A CN108316309 A CN 108316309A
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- pile
- guan liang
- row
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- prestress anchorage
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- 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
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- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to the technical fields of deep basal pit retaining structure, disclose the double-row pile composite construction and its construction method of deep basal pit supporting and retaining system, it is arranged in the soil body in deep basal pit sideline, including the preceding pile pile in the multiple in a row-shaped arrangement and embedded soil body and the rear pile pile in the multiple in a row-shaped arrangement and embedded soil body；The stake top of pile pile is connected by rear Guan Liang after multiple, and the stake top of multiple preceding pile piles is connected by preceding Guan Liang；It is connected by multiple linking beams between preceding Guan Liang and rear Guan Liang；Multiple prestress anchorage cables are equipped in Guan Liang afterwards, the upper end of prestress anchorage cable is fixed in rear Guan Liang, and along the length direction of rear pile pile, the lower end of prestress anchorage cable passes through rear Guan Liang, extends downward into the inside of the soil body.Under the action of prestress anchorage cable, reduce the suffered internal force of rear Guan Liang and linking beam, rigidity with bigger and intensity enhance the resistance to capsizing of Double-row-piles Structure, to which the deep basal pit for ensureing poor more than the deep basal pit of 8m or geological conditions to depth carries out supporting.
Description
Technical field
The present invention relates to the technical fields of deep basal pit retaining structure, more particularly to the double-row pile composite construction of deep basal pit supporting and retaining system
And its construction method.
Background technology
Currently, in foundation pit supporting project, since anchor cable cannot exceed land red-line, double-row pile knot is mostly used greatly
Structure supporting and retaining system, to play the role of pattern foundation pit supporting structure.
Double-row pile retaining structure is that front-seat deposited reinforced concrete pile and heel row armored concrete is arranged along foundation pit sideline
Armored concrete Guan Liang and coupling beam is arranged in bored concrete pile, stake top, and each preceding campshed spacing is generally 1.5~3d (d is stake diameter), heel row
Stake spacing is generally 1.5~6d, and double-row pile array pitch is generally 3~5d；Supporting construction within general depth 8m foundation pit or
The preferable foundation pit of soil condition have supporting effect, double-row pile retaining structure have the advantages that control deformability by force etc. have.
But for the depth deep basal pit poor more than the deep basal pit of 8m or geological conditions, double-row pile retaining structure resists
Ability of toppling is limited, is not sufficient to ensure that the supporting of foundation pit.
Invention content
The purpose of the present invention is to provide the double-row pile composite constructions and its construction method of deep basal pit supporting and retaining system, it is intended to solve existing
Have in technology, it is insufficient in the resistance to capsizing of the deep basal pit that depth is poor more than the deep basal pit of 8m or geological conditions, supporting construction
The problem of.
The invention is realized in this way the double-row pile composite construction and its construction method of deep basal pit supporting and retaining system, are arranged in deep base
Preceding pile pile in the soil body for cheating sideline, including in the multiple in a row-shaped arrangement and embedded soil body and multiple in a row-shaped arrangement and insertion
Rear pile pile in the soil body；It is multiple it is described after the stake tops of pile piles connected by rear Guan Liang, before the stake tops of multiple preceding pile piles passes through
Guan Liang connects；It is connected by multiple linking beams between the preceding Guan Liang and rear Guan Liang；Multiple pre- answer is equipped with after described in Guan Liang
Power anchor cable, the upper end of the prestress anchorage cable are fixed in Guan Liang in the rear, the length direction of pile pile after described, described pre- to answer
The lower end of power anchor cable passes through the rear Guan Liang, extends downward into the inside of the soil body.
Further, the rear Guan Liang has away from the upper surface of the foundation pit, and the upper end of the prestress anchorage cable is fixed
In anchor pier, the anchor pier compresses the upper surface of Guan Liang in the rear.
Further, the prestress anchorage cable is arranged between the rear pile pile of adjacent two.
Further, the lower end of the prestress anchorage cable extends downward into the lower section of the rear pile pile.
Further, the lower end of the prestress anchorage cable is equipped with reinforcing strip, along the insertion side for deviating from the prestress anchorage cable
To the reinforcing strip is in tilted layout.
Further, the reinforcing strip is located at the lower section of the rear pile pile.
Further, the peripheral surface of the reinforcing strip is equipped with multiple barb items distracted upward.
Further, multiple barb items are in a row-shaped arrangement along the axial direction of the reinforcing strip, form barb row；Described in
The peripheral surface of the circumferential direction of reinforcing strip, the reinforcing strip is provided with multiple rows of barb row separately arranged；Adjacent barb arranges it
Between in dislocation arrangement.
The present invention also provides the double-row pile composite construction of deep basal pit supporting and retaining system and its construction method of construction method, construction parties
Method is as follows：
(1) it using static pressure or hammer mode, after multiple preceding pile piles of first constructing along the soil body in foundation pit sideline, then constructs
Multiple rear pile piles；
(2) in the stake top of the multiple preceding pile piles construction preceding Guan Liang, in the stake top construction institute of multiple rear pile piles
State rear Guan Liang；Pass through multiple linking beams between the preceding Guan Liang and the rear Guan Liang to connect；And to the preceding Guan Liang, described
Guan Liang and the linking beam are conserved afterwards；
(3) when the rear Guan Liang of constructing, multiple anchor cable holes are reserved, what is be vertically arranged in order to which construction in later period is multiple is described pre-
Stress anchor cable；
(4) Guan Liang is constructed the prestress anchorage cable in the rear, waits for carrying out tensioning after the completion of the prestress anchorage cable maintenance
Locking；
(5) and then stage excavation pit earthwork, until bottom of foundation ditch.
Compared with prior art, the double-row pile composite construction and its construction method of deep basal pit supporting and retaining system provided by the invention, cloth
The preceding pile pile in the soil body in deep basal pit sideline and rear pile pile are set, under the action of rear Guan Liang and linking beam, is realized to base
The supporting in hole；Guan Liang is equipped with multiple prestress anchorage cables afterwards, and prestress anchorage cable extends downward into the inside of foundation pit, prestress anchorage cable this
Sample is arranged without departing from firmly red line, under the action of prestress anchorage cable, reduces the suffered internal force of rear Guan Liang and linking beam,
Therefore common Retaining Structure with Double-row Piles is compared, rigidity and intensity with bigger, also, prestress anchorage cable substantially increases
The resistance to capsizing of Double-row-piles Structure, to which the deep basal pit for ensureing poor more than the deep basal pit of 8m or geological conditions to depth carries out
Supporting.
Description of the drawings
Fig. 1 is the double-row pile composite construction of deep basal pit supporting and retaining system provided in an embodiment of the present invention and its section of construction method
Figure；
Fig. 2 is the double-row pile composite construction of deep basal pit supporting and retaining system provided in an embodiment of the present invention and its plane of construction method
Figure.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The same or similar label correspond to the same or similar components in the attached drawing of the present embodiment；In description of the invention
In, it is to be understood that if there is the orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right" for based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore the use of position relationship described in attached drawing
Language only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term is understood as the case may be.
The realization of the present invention is described in detail below in conjunction with specific embodiment.
Referring to Fig.1 shown in -2, preferred embodiment is provided for the present invention.
The double-row pile composite construction and its construction method of deep basal pit supporting and retaining system provided by the invention are more than for solving in depth
The poor deep basal pit of the deep basal pit or geological conditions of 8m, the problem of the resistance to capsizing deficiency of supporting construction.
The double-row pile composite construction and its construction method of deep basal pit supporting and retaining system, are arranged in the soil body in deep basal pit sideline, including
Multiple preceding pile piles 10 and multiple pile piles 20 afterwards, multiple preceding pile piles 10 are in a row-shaped arrangement and are embedded in the soil body, multiple rear pile piles 20
In the in a row-shaped arrangement and embedded soil body；The stake top of pile pile 20 is connected by rear Guan Liang 40 after multiple, the stake top of multiple preceding pile piles 10
It is connected by preceding Guan Liang 30；It is connected by multiple linking beams 50 between preceding Guan Liang 30 and rear Guan Liang 40；It is equipped in Guan Liang 40 afterwards
The upper end of multiple prestress anchorage cables 70, prestress anchorage cable 70 is fixed in rear Guan Liang 40, along the length direction of rear pile pile 20, is answered in advance
The lower end of power anchor cable 70 passes through rear Guan Liang 40, extends downward into the inside of the soil body.
The double-row pile composite construction and its construction method of above-mentioned deep basal pit supporting and retaining system, are arranged in the soil body in deep basal pit sideline
Preceding pile pile 10 and rear pile pile 20 realize the supporting to foundation pit under the action of rear Guan Liang 40 and linking beam 50；Guan Liang afterwards
40 are equipped with multiple prestress anchorage cables 70, and prestress anchorage cable 70 extends downward into the inside of foundation pit, and prestress anchorage cable 70 is arranged in this way
Without departing from firmly red line, under the action of prestress anchorage cable 70, the suffered internal force of rear Guan Liang 40 and linking beam 50 is reduced,
Therefore common Retaining Structure with Double-row Piles is compared, rigidity and intensity with bigger, also, prestress anchorage cable 70 greatly increases
The resistance to capsizing of Double-row-piles Structure, to ensure the deep basal pit poor more than the deep basal pit of 8m or geological conditions to depth into
Row supporting.
In the present embodiment, rear Guan Liang 40 has away from the upper surface of foundation pit, and the upper end of prestress anchorage cable 70 is fixed on anchor pier
In 60, anchor pier 60 is pressed on the upper surface of rear Guan Liang, and the lower end of prestress anchorage cable 70 extends downward into the inside of foundation pit；In anchor pier
Under the action of 60, increase the bonding rubbing action of prestress anchorage cable 70 and soil layer, the pressure-bearing to enhance prestress anchorage cable 70 is made
With.
Furthermore the upper surface of anchor pier 60 is vertical with the axis of prestress anchorage cable 70, the advantages of this arrangement are as follows, anchor pier 60
It is more chimeric with the cooperation of prestress anchorage cable 70, in addition, the inside for the insertion foundation pit that prestress anchorage cable 70 can be more vertical, to ensure
The support capacity of prestress anchorage cable 70.
Specifically, prestress anchorage cable 70 is arranged in after adjacent two between pile pile 20；Prestress anchorage cable 70 is with after in this way
Pile pile 20 carries out supporting to foundation pit jointly, ensures the double-row pile composite construction of deep basal pit supporting and retaining system and its supporting effect of construction method
Fruit；Each prestress anchorage cable 70 carries out supporting to foundation pit jointly, to ensure the integer support to foundation pit
The stake top of each preceding pile pile 10 by preceding Guan Liang 30 connect, 50 both ends of linking beam be separately connected before Guan Liang 30 and after
Guan Liang 40；Preceding pile pile 10, rear pile pile 20 and linking beam 50 form entirety, to enhance preceding pile pile 10, rear pile pile 20 and link
The support capacity to foundation pit of beam 50；Also, under the action of preceding Guan Liang 30 and rear Guan Liang 40, enhance linking beam 50 and front tube
The stable connection of stake 10 and rear pile pile 20, to enhance the double-row pile composite construction and its construction method of deep basal pit supporting and retaining system
Integer support ability.
The lower end of prestress anchorage cable extends downward into the lower section of rear pile pile；In this way, the supporting depth model of prestress anchorage cable 70
Enclose the supporting depth bounds more than rear pile pile 20；To meet the supporting requirement to foundation pit, in addition, contributing to sufficient profit in this way
With the anchoring ability of prestress anchorage cable 70, to ensure double-row pile composite construction and its supporting of construction method of deep basal pit supporting and retaining system
Ability.
In the present embodiment, rear Guan Liang 40 is equipped with multiple anchor cable holes, and prestress anchorage cable 70 is embedded in by anchor cable hole in foundation pit
Portion；Under the action of anchor cable hole, convenient for installing for prestress anchorage cable 70, greatly shorten the construction duration of engineering.
Furthermore anchor cable hole is equipped with after two between pile pile 20, along the length direction of rear Guan Liang 40, multiple anchor cable holes are in interval
Distribution；Prestress anchorage cable 70 is arranged according to the mode that anchor cable hole is arranged, multiple prestress anchorage cables 70 can be compared with to the supporting power of foundation pit
To be uniform, in this way, enhancing the support capacity of multiple prestress anchorage cables 70 to the greatest extent.
The lower end of prestress anchorage cable 70 is equipped with reinforcing strip 71, along the insertion direction for deviating from prestress anchorage cable 70, reinforcing strip 71
Extend and is in tilted layout；In this way, when 70 stress of prestress anchorage cable, under the action of reinforcing strip 71, prestress anchorage cable 70 is not easy
Towards embedded direction movement, to enhance the endurance of prestress anchorage cable 70.
Preceding pile pile 10 is respectively PRC hybrid reinforcement prestressed concrete pipe piles, PRC hybrid reinforcement prestressing force with rear pile pile 20
Concrete tubular pile has great antidetonation and bending resistance, and the pile strength of PRC hybrid reinforcement prestressed concrete pipe piles is very high,
And be relatively large in diameter, convenient for install and support capacity more preferably.
PRC hybrid reinforcement prestressed concrete pipe piles are constructed using hammering or static pressure mode, are filled compared to holing with slurry wall protection
Stake is noted, mud off is not present, avoids place mud contamination, is conducive to construction site civilized construction and environmental protection.
PRC hybrid reinforcement prestressed concrete pipe piles are constructed using hammering or static pressure mode, compare cast-in-situ bored pile, construction
Speed is exceedingly fast, and the duration is shorter.
PRC hybrid reinforcement prestressed concrete pipe piles belong to prefabricated pile, are processed in batch in factory, and transport to scene is applied again
Work, therefore drilling pouring stake is compared, cost is very low.
Specifically, reinforcing strip 71 is located at the lower section of rear pile pile 20；In this way, reinforcing strip 71 can be to playing branch below rear pile pile
Shield ability, to enhance deep basal pit supporting and retaining system double-row pile composite construction integer support ability.
Furthermore the peripheral surface of reinforcing strip 71 is equipped with multiple barb items distracted upward；Under the action of barb item, answer in advance
Power anchor cable 70 is not easy towards embedded direction movement, to enhance the anchoring effect of prestress anchorage cable 70.
The double-row pile composite construction of deep basal pit supporting and retaining system and its construction method of construction method, construction method are as follows：
(1) it using static pressure or hammer mode, after multiple preceding pile piles 10 of first constructing along the soil body in foundation pit sideline, then constructs more
Pile pile 20 after a；
(2) Guan Liang 30 before the stake top of multiple preceding pile piles 10 is constructed, the Guan Liang 40 after the stake top construction of multiple rear pile piles 20；
It is connected by multiple linking beams 50 between preceding Guan Liang 30 and rear Guan Liang 40；And to preceding Guan Liang 30, rear Guan Liang 40 and linking beam 50
It is conserved；
(3) after constructing when Guan Liang, multiple anchor cable holes, the prestress anchorage cable being vertically arranged in order to which construction in later period is multiple are reserved
70；
(4) it in rear Guan Liang construction prestress anchorage cable 70, waits for carrying out tensioning fixation after the completion of the maintenance of prestress anchorage cable 70；
(5) and then stage excavation pit earthwork, until bottom of foundation ditch.
Due to being additionally arranged row's prestress anchorage cable 70 in the stake top of rear pile pile 20, prestress anchorage cable 70 be it is vertically arranged, because
This, prestress anchorage cable 70 but substantially increases the resistance to capsizing of Double-row-piles Structure not departing from land red-line.
Also, under the action of prestress anchorage cable 70, preceding Guan Liang 30, rear Guan Liang 40 and linking beam are reduced in terms of stress
50 internal force, therefore common Retaining Structure with Double-row Piles is compared, rigidity and intensity with bigger can be adapted for depth in 8m
The very poor stratum of above deep basal pit and geological conditions.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made by within principle etc., should all be included in the protection scope of the present invention.
Claims (9)
1. the double-row pile composite construction and its construction method of deep basal pit supporting and retaining system, which is characterized in that be arranged in the soil in deep basal pit sideline
In vivo, after including in the preceding pile pile in the multiple in a row-shaped arrangement and embedded soil body and the multiple in a row-shaped arrangement and embedded soil body
Pile pile；The stake top of multiple rear pile piles is connected by rear Guan Liang, and the stake top of multiple preceding pile piles is connected by preceding Guan Liang；Institute
It states and is connected by multiple linking beams between preceding Guan Liang and rear Guan Liang；Multiple prestress anchorage cables are equipped in Guan Liang after described, it is described
The upper end of prestress anchorage cable is fixed in Guan Liang in the rear, under the length direction of the rear pile pile, the prestress anchorage cable
End extends downward into the inside of the soil body across the rear Guan Liang.
2. the double-row pile composite construction and its construction method of deep basal pit supporting and retaining system as described in claim 1, which is characterized in that described
Guan Liang has away from the upper surface of the foundation pit afterwards, and the upper end of the prestress anchorage cable is fixed in anchor pier, and the anchor pier compresses
The upper surface of Guan Liang in the rear.
3. the double-row pile composite construction and its construction method of deep basal pit supporting and retaining system as claimed in claim 2, which is characterized in that described
Prestress anchorage cable is arranged between the rear pile pile of adjacent two.
4. the double-row pile composite construction and its construction method of the deep basal pit supporting and retaining system as described in claim 1-3 any one, special
Sign is that the lower end of the prestress anchorage cable extends downward into the lower section of the rear pile pile.
5. the double-row pile composite construction and its construction method of the deep basal pit supporting and retaining system as described in claim 1-3 any one, special
Sign is that the lower end of the prestress anchorage cable is equipped with reinforcing strip, along the insertion direction for deviating from the prestress anchorage cable, the reinforcing
Item is in tilted layout.
6. the double-row pile composite construction and its construction method of deep basal pit supporting and retaining system as claimed in claim 5, which is characterized in that described
Reinforcing strip is located at the lower section of the rear pile pile.
7. such as the double-row pile composite construction and its construction method of the deep basal pit supporting and retaining system that claim 5 is stated, which is characterized in that described to add
Gu the peripheral surface of item is equipped with multiple barb items distracted upward.
8. the double-row pile composite construction and its construction method of deep basal pit supporting and retaining system as claimed in claim 7, which is characterized in that multiple
The barb item is in a row-shaped arrangement along the axial direction of the reinforcing strip, forms barb row；Along the circumferential direction of the reinforcing strip, the reinforcing
The peripheral surface of item is provided with multiple rows of barb row separately arranged；In dislocation arrangement between adjacent barb row.
9. the double-row pile composite construction of deep basal pit supporting and retaining system as described in claim 1 and its construction method of construction method, feature
It is, including following construction procedure：
(1), it using static pressure or hammer mode, after multiple preceding pile piles of first constructing along the soil body in foundation pit sideline, then constructs more
A rear pile pile；
(2) in the stake top of the multiple preceding pile piles construction preceding Guan Liang, after the stake top construction of multiple rear pile piles is described
Guan Liang；Pass through multiple linking beams between the preceding Guan Liang and the rear Guan Liang to connect；And to the preceding Guan Liang, the rear hat
Beam and the linking beam are conserved；
(3) when the rear Guan Liang of constructing, multiple anchor cable holes, the prestressing force being vertically arranged in order to which construction in later period is multiple are reserved
Anchor cable；
(4) Guan Liang is constructed the prestress anchorage cable in the rear, waits for carrying out tensioning fixation after the completion of the prestress anchorage cable maintenance；
(5) and then stage excavation pit earthwork, until bottom of foundation ditch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810123369.XA CN108316309A (en) | 2018-02-07 | 2018-02-07 | The double-row pile composite construction and its construction method of deep basal pit supporting and retaining system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810123369.XA CN108316309A (en) | 2018-02-07 | 2018-02-07 | The double-row pile composite construction and its construction method of deep basal pit supporting and retaining system |
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| Publication Number | Publication Date |
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| CN108316309A true CN108316309A (en) | 2018-07-24 |
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ID=62903083
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810123369.XA Pending CN108316309A (en) | 2018-02-07 | 2018-02-07 | The double-row pile composite construction and its construction method of deep basal pit supporting and retaining system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113069A (en) * | 2018-08-08 | 2019-01-01 | 武岳 | Precipitous section tunnel immediately adjacent to bridge foundation pit support device and construction method |
| CN110093933A (en) * | 2019-05-10 | 2019-08-06 | 吴永红 | A kind of foundation pit vertically draws anchor support system and its construction method |
| CN110205914A (en) * | 2019-06-10 | 2019-09-06 | 上海勘测设计研究院有限公司 | A kind of anti-selection structure for arch bridge base |
| CN111021369A (en) * | 2019-12-31 | 2020-04-17 | 深圳宏业基岩土科技股份有限公司 | Chair type double-row pile anchor construction method |
| CN113356239A (en) * | 2021-05-25 | 2021-09-07 | 深圳市工勘岩土集团有限公司 | Slope double-row pile and anchor cable supporting structure |
| CN113802573A (en) * | 2021-09-28 | 2021-12-17 | 天津中勘天泽建筑工程设计有限公司 | Foundation pit prestress pressing plate type multi-row supporting structure and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202936798U (en) * | 2012-12-05 | 2013-05-15 | 昆明理工大学 | Double-row pile structure with prestress vertical anchor cables |
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2018
- 2018-02-07 CN CN201810123369.XA patent/CN108316309A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202936798U (en) * | 2012-12-05 | 2013-05-15 | 昆明理工大学 | Double-row pile structure with prestress vertical anchor cables |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113069A (en) * | 2018-08-08 | 2019-01-01 | 武岳 | Precipitous section tunnel immediately adjacent to bridge foundation pit support device and construction method |
| CN110093933A (en) * | 2019-05-10 | 2019-08-06 | 吴永红 | A kind of foundation pit vertically draws anchor support system and its construction method |
| CN110205914A (en) * | 2019-06-10 | 2019-09-06 | 上海勘测设计研究院有限公司 | A kind of anti-selection structure for arch bridge base |
| CN111021369A (en) * | 2019-12-31 | 2020-04-17 | 深圳宏业基岩土科技股份有限公司 | Chair type double-row pile anchor construction method |
| CN113356239A (en) * | 2021-05-25 | 2021-09-07 | 深圳市工勘岩土集团有限公司 | Slope double-row pile and anchor cable supporting structure |
| CN113356239B (en) * | 2021-05-25 | 2022-11-18 | 深圳市工勘岩土集团有限公司 | Slope double-row pile and anchor cable supporting structure |
| CN113802573A (en) * | 2021-09-28 | 2021-12-17 | 天津中勘天泽建筑工程设计有限公司 | Foundation pit prestress pressing plate type multi-row supporting structure and method |
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