CN114561961A - Foundation pit pile-anchor supporting system for reducing anchor cable penetration depth and construction method thereof - Google Patents
Foundation pit pile-anchor supporting system for reducing anchor cable penetration depth and construction method thereof Download PDFInfo
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- CN114561961A CN114561961A CN202210410526.1A CN202210410526A CN114561961A CN 114561961 A CN114561961 A CN 114561961A CN 202210410526 A CN202210410526 A CN 202210410526A CN 114561961 A CN114561961 A CN 114561961A
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 230000035515 penetration Effects 0.000 title claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 40
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 159
- 239000010959 steel Substances 0.000 claims description 159
- 238000004873 anchoring Methods 0.000 claims description 10
- 238000009412 basement excavation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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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
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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
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- 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
- E02D5/22—Piles
-
- 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
-
- 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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- 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)
- Foundations (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to a foundation pit pile-anchor supporting system for reducing the depth of an anchor rope penetrating into soil and a construction method thereof. According to the invention, most of the free sections of the anchor cables are positioned outside the soil body, so that the anchor cable penetration depth can be greatly reduced, the construction is convenient, and the anchor cables can be effectively prevented from exceeding the land red line.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a foundation pit pile-anchor supporting system for reducing the anchor cable penetration depth and a construction method thereof.
Background
Along with the acceleration of urbanization construction pace, the depth of an engineering foundation pit is deeper and deeper, the surrounding environment of the foundation pit is more and more complex, the support of row piles combined with anchor cables is an effective mode in deep foundation pit support, the anchor cables in the existing pile anchor support are anchored in a stable soil body outside the foundation pit and locked on a waist beam arranged on a support structure, the total length of the anchor cables is located in the soil body, the length of a free section is not less than 5m, the length of an anchoring section is not equal to 15-30 m according to the soil property condition and the size of a designed tension value, the total length of the anchor cables in the pile anchor support is arranged in the soil body outside the foundation pit, the extension range of the anchor cables exceeds a red land used line of the engineering, and the anchor cables form obstacles for adjacent engineering construction outside the red line and are limited in use.
Disclosure of Invention
The invention aims to provide a foundation pit pile anchor supporting system capable of reducing the anchor cable penetration depth, which shortens the anchor cable penetration depth, ensures that an anchoring section of the anchor cable does not exceed a ground red line under the condition of ensuring that the total length of the anchor cable is not reduced, and simultaneously, most components outside the soil body are of steel structures, so that the anchor cable pile anchor supporting system is convenient to disassemble and recycle. The invention also provides a construction method of the concrete.
The invention provides a foundation pit pile-anchor supporting system for reducing the depth of an anchor rope entering soil, which comprises supporting row piles positioned at the edge of a foundation pit and upright piles vertically inserted into a soil body, wherein the supporting row piles and the upright piles are arranged at intervals in the front and back direction, steel upright columns extending upwards are arranged at the tops of the upright piles, the upper parts of the supporting row piles are fixedly connected with profile steel enclosing purlins, profile steel cross beams are fixedly connected with the upper parts of the steel upright columns, profile steel supporting beams for fixedly connecting the profile steel enclosing purlins and the profile steel cross beams are arranged between the profile steel enclosing purlins and the profile steel cross beams, the edge of the foundation pit is externally penetrated with an obliquely arranged anchor rope, one end of the anchor rope is fixed in the soil body through an anchoring section, and the other end of the anchor rope is locked on the steel upright columns through an anchorage device.
Preferably, the supporting row pile comprises a plurality of row pile columns which are arranged at intervals, and the number of the steel upright columns is the same as that of the row pile columns, and the positions of the steel upright columns correspond to those of the row pile columns one by one.
Preferably, the upper part of the supporting row pile is fixedly connected with a bracket, and the profile steel surrounding purlin is fixedly arranged at the top of the bracket.
Preferably, the upper portion of the steel upright is fixedly connected with a section steel bracket, and the section steel cross beam is fixedly arranged at the top of the section steel bracket.
Preferably, the supporting row piles are cast-in-situ piles of reinforced concrete structures, vertically enter a stable soil body below the bottom of a foundation pit, and a plurality of the brackets are fixed on the supporting row piles through expansion bolts.
Preferably, the profile steel purlin is arranged on the upper portion and the waist of the supporting row piles respectively, and the profile steel purlin is horizontally placed at the tops of the brackets and is fixedly connected with the supporting row piles through embedded bolts.
Preferably, the shaped steel bracket be equipped with a plurality of and set up respectively in steel stand upper portion and waist, shaped steel bracket top with the bracket top is at same horizontal plane, shaped steel crossbeam level is placed in each shaped steel bracket top, through high strength bolt with the steel stand is connected fixedly.
Preferably, the section steel supporting beams are fixedly connected with the section steel purlins and the section steel cross beams at the two ends through high-strength bolts, and the section steel supporting beams are parallel to each other.
Preferably, a through hole for the anchor cable to pass through is reserved in the steel upright, the anchoring section of the anchor cable is fixed in a soil body outside a foundation pit, and the free section of the anchor cable passes through the soil body between the support row piles and the through hole in the steel upright, and is fixed on the steel upright through the anchor after prestress is applied.
A construction method of a foundation pit pile anchor supporting system for reducing the anchor cable penetration depth comprises the following steps:
s1: performing supporting pile arrangement construction, and after the first earthwork excavation is finished, performing construction of upright posts and steel upright posts;
s2: constructing a waist bracket at the position of a supporting row pile and a waist section steel bracket of a steel stand column, installing a section steel purlin on the bracket and a section steel cross beam on the section steel bracket, and then installing a lower-layer section steel supporting beam, wherein all steel components are mutually connected and fixed by adopting high-strength bolts;
s3: carrying out second-time earth excavation, then carrying out bracket construction on the upper part of the support row pile and section steel bracket construction on the upper part of the steel upright post, installing section steel purlins on the brackets and section steel cross beams on the section steel brackets, and then installing an upper-layer section steel supporting beam, wherein all the steel members are mutually connected and fixed by adopting high-strength bolts;
s4: and (3) mounting and constructing the anchor cable, namely firstly constructing an anchor cable anchoring section in the soil body, then penetrating a free section of the anchor cable through the soil body between the supporting row piles and a through hole reserved in the steel upright post, and then tensioning the anchor cable by using a jack to apply prestress, so that the anchor cable is fixed on the steel upright post through an anchorage device after the designed prestress value is reached.
Has the advantages that:
the pile-anchor supporting system of the foundation pit forms an integral truss structure, and the anchor cables and the row piles are effectively combined to realize the supporting of the foundation pit and ensure the stability of the foundation pit. According to the invention, most of the free sections of the anchor cables are positioned outside the soil body, so that the anchor cable penetration depth can be greatly reduced, the construction is convenient, and the anchor cables can be effectively prevented from exceeding the land red line. The free sections of the anchor cables outside the profile steel purlin, the profile steel supporting beam, the steel upright post and the soil body are steel members, are easy to recover, can be recycled to the next project, and reduce the loss waste of raw materials.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a three-dimensional schematic view of a foundation pit pile-anchor support system of the present invention;
FIG. 2 is a schematic view of a construction process according to the present invention;
FIG. 3 is a schematic view of a second embodiment of the present invention;
FIG. 4 is a schematic view of a third embodiment of the present invention;
FIG. 5 is a diagram illustrating a fourth exemplary process of the present invention.
Description of reference numerals: 1-supporting row piles, 2-upright column piles, 3-steel upright columns, 4-brackets, 5-section steel brackets, 6-section steel purlins, 7-section steel cross beams, 8-section steel supporting beams, 9-anchor cables, 10-anchors and 11-soil bodies.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1, the invention provides a foundation pit pile-anchor supporting system for reducing the anchor rope penetration depth, which comprises supporting row piles 1, upright column piles 2, steel upright columns 3, brackets 4, steel supporting seats 5, steel enclosing purlins 6, steel cross beams 7, steel supporting beams 8, anchor ropes 9, anchors 10 and soil mass 11, wherein the supporting row piles 1 are positioned at the edge of a foundation pit; the steel upright 3 and the upright pile 2 are integrated and fixed in the soil body 11; the bracket 4 is fixed on the supporting row pile 1; the profile steel purlin 6 is positioned on the top surface of the bracket 4 and is fixed on the support row pile 1; the section steel beam 8 is positioned on the top surface of the section steel dragging seat 5 and is fixed on the steel upright post 3; two ends of the section steel supporting beam 8 are connected with the section steel purlin 6 and the section steel cross beam 7 through high-strength bolts; one end of the anchor cable 9 is fixed in the soil body 11 through the anchoring section, and the other end is locked on the steel upright post 3 through the anchorage device 10. Through steel stand 3 and support pile 2 thereof, shaped steel supporting beam 7, shaped steel encloses purlin 6 etc. and props 1 stake anchor support system who constitutes truss structure jointly of campshed, anchor rope 9 passes through whole truss structure after forming the anchor section in the soil body 11 and is fixed in on the steel stand 3, the anchor rope 9 depth of ingressing has been shortened, make its anchor section can not surpass with the ground red line under the condition of guaranteeing that anchor rope 9 total length is not reduced, make the operating room during construction bigger simultaneously, the suitability is stronger, most component outside the soil body 11 is the steel construction, can be convenient for dismantle and cyclic utilization.
As shown in fig. 1, the supporting row pile 1 is a cast-in-place pile of a reinforced concrete structure, the diameter of the pile is 800mm-1600mm, the pile length is larger than 15m, the pile vertically enters a stable soil body 11 below the pit bottom of a foundation pit, the bracket 4 is a triangular bracket made of angle steel and used for placing a profile steel purlin 6, a plurality of groups of brackets 4 are fixed on the supporting row pile 1 through expansion bolts, and the upper part and the waist part of the supporting row pile 1 are respectively provided with the bracket 4; the profile steel purlins 6 are respectively arranged on the upper portions and the waist portions of the supporting row piles 1 and are arranged in a closed mode along the arrangement range of the supporting row piles 1. The profile steel purlin 6 is horizontally placed at the top of each bracket 4 and is fixedly connected with the supporting row piles 1 through embedded bolts.
The section steel bracket 5 is a steel member which is arranged on the steel upright post 3 and supports the section steel cross beam 7, and is connected to one side of the steel upright post 3 through a high-strength bolt, and the top surface of the section steel bracket 5 and the top surface of the bracket 4 are kept on the same horizontal plane; the section steel cross beams 7 are horizontally placed at the tops of the various section steel brackets 5 and are fixedly connected with the steel upright columns 3 through high-strength bolts; the section steel supporting beam 7 is fixedly connected with the section steel surrounding purlins 6 and the section steel cross beams 7 at two ends through high-strength bolts.
The anchor cable 9 is divided into an anchoring section and a free section, meanwhile, a through hole is reserved in the steel upright post 3 and can be used for the anchor cable 9 to pass through, the anchoring section of the anchor cable 9 is fixed in a soil body 11 outside the foundation pit, the free section passes through the through holes reserved in the soil body between the supporting row piles 1 and the steel upright post 3, after prestress is applied, the free section is fixed on the steel upright post 3 through an anchorage device 10, and the anchorage device 10 is provided with a base plate and a locking structure.
As shown in fig. 2 to 5, the invention further provides a construction method of the foundation pit pile-anchor supporting system for reducing the anchor rope penetration depth, which comprises the following steps:
s1: as shown in fig. 2, the construction of the supporting row pile 1 is performed, and then the construction of the upright pile 2 and the steel upright 3 is performed after the first earthwork excavation is completed;
s2: as shown in fig. 3, the construction of a waist bracket 4 and a section steel bracket 5 is carried out, the bracket 4 is fixed on a supporting row pile 1 through expansion bolts, a lower layer section steel purlin 6 and a section steel cross beam 7 are installed, then a lower layer section steel supporting beam 8 is installed, and all steel members are mutually connected and fixed through high-strength bolts;
s3: as shown in fig. 4, performing a second earthwork excavation, then performing upper bracket 4 construction and profile steel bracket 5 construction, installing an upper-layer profile steel purlin 6 and a profile steel cross beam 7, and then installing an upper-layer profile steel support beam 8, wherein all steel members are mutually connected and fixed by high-strength bolts;
s4: as shown in fig. 5, the anchor cable 9 is installed, the anchor section of the anchor cable 9 in the soil body is constructed, then the free section of the anchor cable 9 passes through the soil body 11 between the supporting row piles 1 and the through hole reserved in the steel upright post 3, the anchor cable 9 is tensioned by using a jack to apply prestress, and the anchor cable is fixed on the steel upright post 3 through an anchorage device 10 after the designed value of the prestress is reached;
s5: excavating earthwork in the residual foundation pit to the designed bottom elevation of the foundation pit, and completing construction of an underground structure;
s6: and (4) removing the prestress of the anchor cable 9, dismantling the profile steel purlin 6, the profile steel supporting beam 8, the steel upright post 3, the free section of the anchor cable 9 outside the soil body and the like, and recycling to the next project.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a foundation ditch stake anchor support system of reducible anchor rope depth of penetrating into soil, its characterized in that, including the row's of strutting and the vertical stand pile of inserting in the soil body that are located the foundation ditch edge, strut row's stake and stand pile front and back interval setting, the top of stand pile is equipped with the steel stand that upwards extends, strut row's stake upper portion fixed connection shaped steel and enclose the purlin, the upper portion fixedly connected with shaped steel crossbeam of steel stand, shaped steel enclose the purlin with be equipped with between the shaped steel crossbeam and be used for fixed connection shaped steel supporting beam between them, the anchor rope that the slope set up is worn to be equipped with outward in the foundation ditch edge, anchor rope one end is fixed in the soil body through the anchor section, and the other end locks on the steel stand through the ground tackle.
2. A foundation pit pile-anchor supporting system capable of reducing the depth of an anchor cable into the ground, according to claim 1, wherein the supporting row pile comprises a plurality of row pile columns arranged at intervals, the number of the steel columns is the same as that of the row pile columns, and the positions of the steel columns correspond to those of the row pile columns one by one.
3. A foundation pit pile-anchor supporting system capable of reducing the depth of anchor cables entering the soil as claimed in claim 2, wherein a bracket is fixedly connected to the upper portion of the supporting row pile, and the section steel surrounding purlin is fixedly arranged at the top of the bracket.
4. A foundation pit pile-anchor supporting system capable of reducing the depth of anchor cable penetration into the ground as claimed in claim 3, wherein the upper part of the steel upright is fixedly connected with a section steel bracket, and the section steel cross beam is fixedly arranged on the top of the section steel bracket.
5. A foundation pit pile-anchor supporting system capable of reducing the depth of an anchor cable into the ground, as claimed in claim 4, wherein the supporting row pile is a bored pile of reinforced concrete structure vertically entering into the stable soil body below the bottom of the foundation pit, and a plurality of the brackets are fixed on the supporting row pile through expansion bolts.
6. The foundation pit pile-anchor supporting system capable of reducing the anchor rope penetration depth according to claim 5, wherein the section steel purlins are respectively arranged on the upper portions and the waist portions of the supporting row piles, are horizontally placed at the tops of the brackets, and are fixedly connected with the supporting row piles through embedded bolts.
7. The foundation pit pile-anchor supporting system capable of reducing the depth of the anchor cable into the soil as claimed in claim 6, wherein a plurality of section steel brackets are arranged on the upper portion and the waist portion of the steel upright post respectively, the top portions of the section steel brackets and the top portions of the brackets are on the same horizontal plane, the section steel cross beams are horizontally placed on the top portions of the section steel brackets and are fixedly connected with the steel upright post through high-strength bolts.
8. A foundation pit pile anchor supporting system capable of reducing the anchor rope penetration depth as claimed in claim 7, wherein the section steel supporting beams are fixedly connected with section steel purlins and section steel cross beams at two ends through high-strength bolts, and the section steel supporting beams are parallel to each other.
9. The foundation pit pile-anchor supporting system capable of reducing the depth of the anchor cable penetrating into the soil as claimed in claim 1, wherein a through hole for the anchor cable to pass through is reserved on the steel upright column, the anchoring section of the anchor cable is fixed in the soil outside the foundation pit, and the free section of the anchor cable passes through the soil between the supporting row piles and the through hole on the steel upright column, and is fixed on the steel upright column through the anchor after being prestressed.
10. A method of constructing an excavation pile-anchor support system for reducing the depth of anchor rope penetration as claimed in any one of claims 1 to 9, wherein the method comprises the steps of:
s1: performing supporting pile arrangement construction, and after the first earthwork excavation is finished, performing construction of upright posts and steel upright posts;
s2: constructing a waist bracket at the position of a supporting row pile and a waist section steel bracket of a steel stand column, installing a section steel purlin on the bracket and a section steel cross beam on the section steel bracket, and then installing a lower-layer section steel supporting beam, wherein all steel components are mutually connected and fixed by adopting high-strength bolts;
s3: carrying out second-time earth excavation, then carrying out bracket construction on the upper part of the support row pile and section steel bracket construction on the upper part of the steel upright post, installing section steel purlins on the brackets and section steel cross beams on the section steel brackets, and then installing an upper-layer section steel supporting beam, wherein all the steel members are mutually connected and fixed by adopting high-strength bolts;
s4: and (3) mounting and constructing the anchor cable, namely firstly constructing an anchor cable anchoring section in the soil body, then penetrating a free section of the anchor cable through the soil body between the supporting row piles and a through hole reserved in the steel upright post, and then tensioning the anchor cable by using a jack to apply prestress, so that the anchor cable is fixed on the steel upright post through an anchorage device after the designed prestress value is reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210410526.1A CN114561961A (en) | 2022-04-19 | 2022-04-19 | Foundation pit pile-anchor supporting system for reducing anchor cable penetration depth and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210410526.1A CN114561961A (en) | 2022-04-19 | 2022-04-19 | Foundation pit pile-anchor supporting system for reducing anchor cable penetration depth and construction method thereof |
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| Publication Number | Publication Date |
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| CN114561961A true CN114561961A (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210410526.1A Pending CN114561961A (en) | 2022-04-19 | 2022-04-19 | Foundation pit pile-anchor supporting system for reducing anchor cable penetration depth and construction method thereof |
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| CN (1) | CN114561961A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0545471A1 (en) * | 1991-11-29 | 1993-06-09 | Hollandsche Beton Groep N.V. | Method for fixing an anchor for anchoring earth-retaining walls, buildings, bank sheet-pilings, quay walls and the like |
| JP2007154413A (en) * | 2005-11-30 | 2007-06-21 | Marui Kensetsu:Kk | Soldier pile type earth retaining anchor type retaining wall and its construction method |
| CN101408023A (en) * | 2008-11-11 | 2009-04-15 | 天津大学 | Method for supporting and protecting row pile pit |
| CN106245657A (en) * | 2016-08-25 | 2016-12-21 | 安徽省城建设计研究总院有限公司 | A kind of purlin anchor supporting construction for pattern foundation pit supporting structure |
| CN206052733U (en) * | 2016-08-30 | 2017-03-29 | 中国建筑西南勘察设计研究院有限公司 | A kind of anchor draws inner support combined foundation ditch support structure |
| CN106894424A (en) * | 2017-03-03 | 2017-06-27 | 周同和 | A kind of short branch supporting system of basin excavation and its construction technology |
| CN109457709A (en) * | 2018-12-26 | 2019-03-12 | 青岛业高建设工程有限公司李沧分公司 | A kind of supporting construction and construction method of double-row pile combination wide-angle anchor cable |
| CN214497537U (en) * | 2021-02-03 | 2021-10-26 | 北京市地质工程公司 | Double-row pile supporting system |
| CN215594044U (en) * | 2021-06-16 | 2022-01-21 | 中国建筑一局(集团)有限公司 | Double-row pile supporting system |
-
2022
- 2022-04-19 CN CN202210410526.1A patent/CN114561961A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0545471A1 (en) * | 1991-11-29 | 1993-06-09 | Hollandsche Beton Groep N.V. | Method for fixing an anchor for anchoring earth-retaining walls, buildings, bank sheet-pilings, quay walls and the like |
| JP2007154413A (en) * | 2005-11-30 | 2007-06-21 | Marui Kensetsu:Kk | Soldier pile type earth retaining anchor type retaining wall and its construction method |
| CN101408023A (en) * | 2008-11-11 | 2009-04-15 | 天津大学 | Method for supporting and protecting row pile pit |
| CN106245657A (en) * | 2016-08-25 | 2016-12-21 | 安徽省城建设计研究总院有限公司 | A kind of purlin anchor supporting construction for pattern foundation pit supporting structure |
| CN106245657B (en) * | 2016-08-25 | 2018-12-18 | 安徽省城建设计研究总院股份有限公司 | A kind of purlin anchor support construction for pattern foundation pit supporting structure |
| CN206052733U (en) * | 2016-08-30 | 2017-03-29 | 中国建筑西南勘察设计研究院有限公司 | A kind of anchor draws inner support combined foundation ditch support structure |
| CN106894424A (en) * | 2017-03-03 | 2017-06-27 | 周同和 | A kind of short branch supporting system of basin excavation and its construction technology |
| CN109457709A (en) * | 2018-12-26 | 2019-03-12 | 青岛业高建设工程有限公司李沧分公司 | A kind of supporting construction and construction method of double-row pile combination wide-angle anchor cable |
| CN214497537U (en) * | 2021-02-03 | 2021-10-26 | 北京市地质工程公司 | Double-row pile supporting system |
| CN215594044U (en) * | 2021-06-16 | 2022-01-21 | 中国建筑一局(集团)有限公司 | Double-row pile supporting system |
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