CN108035360B - A method of for pattern foundation pit supporting structure - Google Patents

A method of for pattern foundation pit supporting structure Download PDF

Info

Publication number
CN108035360B
CN108035360B CN201711347486.6A CN201711347486A CN108035360B CN 108035360 B CN108035360 B CN 108035360B CN 201711347486 A CN201711347486 A CN 201711347486A CN 108035360 B CN108035360 B CN 108035360B
Authority
CN
China
Prior art keywords
column
bar shaped
shaped support
foundation
building enclosure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201711347486.6A
Other languages
Chinese (zh)
Other versions
CN108035360A (en
Inventor
蔡敏
束冬青
李彪
孟玉
孟凡军
吴东彪
周阳
刘少凯
刘贵强
赵贵生
单灿灿
张龙飞
孙昌兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Urban Construction Design Research Institute Ltd By Share Ltd
Original Assignee
Anhui Urban Construction Design Research Institute Ltd By Share Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Urban Construction Design Research Institute Ltd By Share Ltd filed Critical Anhui Urban Construction Design Research Institute Ltd By Share Ltd
Priority to CN201711347486.6A priority Critical patent/CN108035360B/en
Publication of CN108035360A publication Critical patent/CN108035360A/en
Application granted granted Critical
Publication of CN108035360B publication Critical patent/CN108035360B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits

Landscapes

  • Engineering & Computer Science (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)
  • Structural Engineering (AREA)
  • Foundations (AREA)

Abstract

The invention discloses a kind of methods for pattern foundation pit supporting structure, it is related to Geotechnical Engineering field, method includes the following steps: first, in design position while building enclosure of constructing, buttress stake column and pile foundation column, then in the top of building enclosure construction crown beam, then expose at the top that the earthwork to the buttress stake arranges in excavation pit, then in the top construction bar shaped support of buttress stake column, it constructs in the building enclosure below the crown beam purlin, and brace is set up between the bar shaped support and the purlin, use the mode of falling basin excavation by margin of foundation pit earth excavation to bottom of foundation ditch later, then in the top construction end bay bottom plate of pile foundation column, then the construction oblique pull arm between the bar shaped support and the end bay bottom plate, so that effectively being connected between the bar shaped support and the end bay bottom plate;Main body construction difficulty is effectively reduced in the present invention, improves construction efficiency, excavates convenient for pit earthwork, construction cost is effectively reduced.

Description

A method of for pattern foundation pit supporting structure
Technical field
The present invention relates to Geotechnical Engineering field, specially a kind of method for pattern foundation pit supporting structure.
Background technique
The domestic pattern foundation pit supporting structure inner supporting structure used is mainly horizontally-supported and hole interior leg brace at present, for planar dimension The foundation pit larger, depth is shallower mostly uses greatly hole interior leg brace, and diagonal brace material mostly uses greatly steel pipe or combination fashioned iron, reliable to provide End reaction, diagonal brace support is set to bottom of foundation ditch, using pile foundation or the basement bottom board for utilizing middle part to construct in advance.It is existing There is the pit earthwork of diagonal brace technology to use " benzvalene form " digging mode, first excavate the middle part earthwork, edge earth excavation is attached to diagonal brace bottom It is close to carry out slope, the soil body below diagonal brace is excavated after diagonal brace to be applied again.There are the following problems for technology at present:
1, soil excavation difficulty is big below diagonal brace.The edge earthwork can be excavated after applying due to diagonal brace, the part cubic metre of earth position Delta-shaped region below diagonal brace can not use large scale equipment when excavation, can only be carried out by hand fit's mini-excavator It excavates, work efficiency is extremely low, all significantly affects to duration and shoveling expense.
2, the big influence power transmission of diagonal brace angle.Since the setting of diagonal brace support is in bottom of foundation ditch, so that diagonal brace angle is larger or long It spends longer.Diagonal brace angle is bigger to make diagonal brace vertical force component increase, and horizontally-supported ability reduces, and need to take encryption spacing or increasing Big scantling mode makes up, to increase cost and the interference to main structure construction.Diagonal brace extended length can not only make Cost increases, and also will increase side's amount of the edge soil body below, bigger difficulty is brought to earth excavation.In addition, diagonal brace lengthens So that slenderness ratio increases, Out-of-plane Stability is reduced, and is generally required setting column and is reduced its span, must setting stake below column Base, therefore the increase of column can also dramatically increase cost and main structure construction difficulty.
3. diagonal brace will increase main structure construction difficulty.Since the setting of diagonal brace support is in bottom of foundation ditch and purlin is generally arranged On building enclosure top, therefore diagonal brace and proposed outer wall of basement intersection point are often difficult to realize above floor, thus can not benefit Support replacement is carried out with floor, is punched or the later period cuts off measure so that diagonal brace passes through at side wall panel to take, external wall structure and waterproof are given Construction brings problem.
Therefore how to improve prior art defect, be urgent problem.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of methods for pattern foundation pit supporting structure, with solution The technical problems such as certainly main structure construction is difficult in the prior art, at high cost, excavation of earthwork is difficult.
The present invention is achieved by the following technical solutions:
The present invention provides a kind of methods for pattern foundation pit supporting structure, method includes the following steps:
Step 1, the parameter according to construction foundation pit, design position simultaneously construct building enclosure, buttress stake column and pile foundation column, And it is arranged in parallel between the building enclosure, buttress stake column and pile foundation column, in the margin of foundation pit for needing supporting Place's construction building enclosure, the top of building enclosure and foundation pit top maintain an equal level, and buttress stake of constructing within the scope of the foundation pit arranges, described The height at buttress stake column top is arranged lower than the height at the top of the building enclosure, the pile foundation column in the building enclosure and institute It states between buttress stake column, and the top of pile foundation column and the bottom of foundation pit maintain an equal level;
After step 2, completion step, in the top of building enclosure construction crown beam, so that building enclosure is effectively connect with crown beam, And crown beam is arranged on the construction site at the top of foundation pit;
The earthwork to the buttress stake arranges in step 3, excavation pit top is exposed, at the same by buttress stake column top with The earthwork between the crown beam is dug to inclination, and tilt angle is design angle;
Step 4, the top construction bar shaped support in buttress stake column, so that buttress stake column and the bar shaped support Effectively connection, purlin of constructing in the building enclosure below the crown beam, and the bar shaped support and the purlin it Between set up brace so that the bar shaped support is effectively connect with the purlin, and the inclined-plane that step 3 is dug out is arranged in the brace On, and the tilt angle of the brace is identical as bevel inclination angle;
Step 5, using the mode of falling basin excavation by margin of foundation pit earth excavation to bottom of foundation ditch, and pile foundation column top Expose, and the earthwork between the bar shaped support and bottom of foundation ditch is scraped out into inclined surface, and tilt angle is design angle;
Step 6, the top construction end bay bottom plate in pile foundation column, so that pile foundation column are effective with the end bay bottom plate Connection;
Step 7, oblique pull arm of constructing between the bar shaped support and the end bay bottom plate, so that the bar shaped support and institute It states and is effectively connected between end bay bottom plate, the tilt angle on inclined-plane wherein dug out in the tilt angle with step of oblique pull arm is identical;
Step 8, excavation pit middle part surplus earth to bottom of foundation ditch.
Further, the building enclosure is specifically made of multiple campsheds, is connected between each campshed by the crown beam It connects, the buttress stake column are specifically made of multiple buttress stakes, are connected between each buttress stake by the bar shaped support, institute Stating pile foundation column is specially two rows, and pile foundation column are specifically made of multiple pile foundations, pass through end bay bottom between each pile foundation Plate connection.
Further, steel column is also set up at the top of the buttress stake, and the buttress stake overhead height is held with bottom of foundation ditch Flat, the height at the top of the steel column is design height, and its overhead height is lower than the height at the top of the building enclosure, step The middle excavation pit earthwork to the steel column top expose, the earthwork between the top of the steel column and the crown beam dig to Inclination, and tilt angle is design angle is specially to construct the bar shaped support in step at the top of the steel column, each It is connected between the steel column by the bar shaped support.
Further, the pile foundation column are at least two column.
Further, the oblique pull arm is specially cable wire, and the cable wire is specifically made of steel strand wires, and one end of the cable wire is logical It crosses steel anchoring part to connect with the end bay bottom plate, the other end is connect by anchorage with the bar shaped support, and the steel anchoring part is pre-buried At the top of the end bay bottom plate.
Further, the bar shaped support and the purlin are that the combined steel of armored concrete or hollow out is made.
Further, the steel column is specifically made of hollow steel tube or combined steel.
The present invention has the advantage that compared with prior art
1, the present invention provides a kind of methods for pattern foundation pit supporting structure, by raising brace support, subtract under same span Small support angle, the horizontal resist forces for providing brace significantly increase, to increase deep pit monitor degree;Subtract when with angularly Small span avoids increase hole inner column, to reduce cost;
2, the present invention is easy to be located at brace above proposed basement floor by raising brace support, so as to avoid Side wall panel or side bar are passed through in brace, using i.e. dismountable brace after floor support replacement, greatly reduce outer wall of basement structure and Waterproof construction difficulty, it is advantageously ensured that quality;
3, the present invention is excavated using " benzvalene form ", is first excavated the soil body below diagonal brace, is substantially increased diagonal brace structure Earth excavation work efficiency, has saved the duration.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure after the completion of a kind of method construction for pattern foundation pit supporting structure of the present invention;
Fig. 2 is the internal structure top view after the completion of a kind of method construction for pattern foundation pit supporting structure of the present invention;
Fig. 3 is the first operating condition schematic diagram in the embodiment of the present invention;
Fig. 4 is the second operating condition schematic diagram in the embodiment of the present invention;
Fig. 5 is third operating condition schematic diagram in the embodiment of the present invention;
Fig. 6 is the 4th operating condition schematic diagram in the embodiment of the present invention;
Fig. 7 is the 5th operating condition schematic diagram in the embodiment of the present invention;
Fig. 8 is the 6th operating condition schematic diagram in the embodiment of the present invention.
In figure: 1, building enclosure;2, buttress stake arranges;3, crown beam;4, purlin;5, bar shaped support;6, brace;7, pile foundation arranges; 8, end bay bottom plate;9, oblique pull arm;10, steel column;11, steel anchoring part;12, anchorage.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
A kind of embodiment provided by the invention: a method of for pattern foundation pit supporting structure, method includes the following steps:
Refering to Fig. 3 implementation steps 1 and step 2, wherein step 1 is specially the parameter according to construction foundation pit, in design position While construct building enclosure 1, buttress stake column 2 and pile foundation column 7, and it is mutually flat between building enclosure 1, buttress stake column 2 and pile foundation column 7 Row setting, building enclosure 1 of constructing at the margin of foundation pit for needing supporting, the top of building enclosure 1 and foundation pit top maintain an equal level, in base Buttress stake column 2 of constructing in range are cheated, the height at 2 top of buttress stake column is lower than the height at 1 top of building enclosure, and pile foundation column 7 are arranged Between building enclosure 1 and buttress stake column 2, and the top of pile foundation column 7 and the bottom of foundation pit maintain an equal level;
Step 2 is specially after completing step 1, in the top of building enclosure 1 construction crown beam 3, so that building enclosure 1 and crown beam 3 effectively connections, and crown beam 3 is arranged on the construction site at the top of foundation pit;
Refering to Fig. 4 implementation steps 3, the earthwork to the top of buttress stake column 2 is exposed in step 3 specially excavation pit, simultaneously The earthwork between 2 top of buttress stake column and crown beam 3 is dug to inclination, and tilt angle is design angle;
Refering to Fig. 5 implementation steps 4, step 4 is specially in the top of buttress stake column 2 construction bar shaped support 5, so that buttress stake Column 2 are effectively connect with bar shaped support 5, purlin 4 of constructing in the building enclosure 1 below crown beam 3, and in bar shaped support 5 and purlin 4 Between set up brace 6 so that bar shaped support 5 is effectively connect with purlin 4, and brace 6 is arranged on the inclined-plane that step 3 is dug out, and The tilt angle of brace 6 is identical as bevel inclination angle;
Refering to Fig. 6 implementation steps 5, step 5 is specially to use the mode of falling basin excavation by margin of foundation pit earth excavation to base Bottom is cheated, and is exposed at the top of pile foundation column 7, and the earthwork between bar shaped support 5 and bottom of foundation ditch is scraped out into inclined surface, and tilt Angle is design angle;
Refering to Fig. 7 implementation steps 6 and step 7, step 6 be specially construct end bay bottom plate 8 at the top of pile foundation column 7 so that Pile foundation column 7 are effectively connect with end bay bottom plate 8;
Step 7 is specially oblique pull arm 9 of constructing between bar shaped support 5 and end bay bottom plate 8, so that bar shaped support 5 and end bay It is effectively connected between bottom plate 8, wherein the tilt angle of oblique pull arm 9 is identical as the tilt angle on the inclined-plane dug out in step 5;
Refering to Fig. 8 implementation steps 8, step 8 specially excavation pit middle part surplus earth to bottom of foundation ditch.
In above step, building enclosure 1 is specifically made of multiple campsheds, is connected between each campshed by crown beam 3, is propped up Pier stake column 2 are specifically made of multiple buttress stakes, are connected between each buttress stake by bar shaped support 5, and pile foundation column 7 are specially two Row, and pile foundation column 7 are specifically made of multiple pile foundations, are connected between each pile foundation by end bay bottom plate 8;
Steel column 10 is also set up at the top of buttress stake, buttress stake overhead height and bottom of foundation ditch maintain an equal level, and steel column 10 pushes up The height in portion is design height, and its height is lower than the height at 1 top of building enclosure, and the excavation pit earthwork is vertical to steel in step 3 The top of column 10 is exposed, and the earthwork between the top and crown beam 3 of steel column 10 is dug to inclination, and tilt angle is design angle, It is specially to be connected between the top of steel column 10 construction bar shaped support 5, each steel column 10 by bar shaped support 5 in step 4;
Pile foundation column 7 are at least two column;
Oblique pull arm 9 is specially cable wire, and cable wire is specifically made of steel strand wires, and one end of cable wire passes through steel anchoring part 11 and end bay bottom Plate 8 connects, and the other end is connect by anchorage 12 with bar shaped support 5, and steel anchoring part 11 is embedded in the top of end bay bottom plate 8;
Bar shaped support 5 and purlin 4 are that the combined steel of armored concrete or hollow out is made;
Steel column 10 is specifically made of hollow steel tube or combined steel;
The structural schematic diagram of supporting construction after the completion of construction such as Fig. 1, the top view of the supporting construction after the completion of constructing is such as Fig. 2.
Second embodiment of the invention:
In this example foundation pit proposed main structure be basement one, excavation of foundation pit depth 6m, 150 meters of plane span, peripheral ring Border is complicated, requires strictly deformation control of foundation pit, and pattern foundation pit supporting structure overall plan uses campshed inner support system, and inner support is using hole Interior leg brace.
Building enclosure 1 is specifically made of multiple campsheds in column, referring to fig. 2.Campshed uses 900mm diameter bores bored concrete pile, The long 12m of stake forms colonnade formula at a certain distance, and stake is connect with stake by crown beam 3, forms campshed building enclosure 1.Main structure stake Base uses 800mm diameter bores bored concrete pile, and stake top absolute altitude is the proposed above 100mm in basement floor constructions bottom.Buttress stake column 2 have Body is made of in column multiple buttress stakes, and buttress stake uses 900mm diameter bores bored concrete pile, and stake top absolute altitude is proposed basement bottom board 200mm below bed course bottom, the long 6m of stake, steel column 10 use 550mmx550mm steel lattice column, are sewed by 4 L160x16 angle steel and steel Plate is welded, column spacing 8m, and column stake body 4m is inserted into bottom, and top anchors into 500mm in bar shaped support 5.
Referring to fig. 2, bar shaped support 5, purlin 4 are elongated setting, using Reinforced Concrete Materials, purlin 4 and building enclosure 1 Bar planting mode is taken to connect.
Referring to fig. 2,6 horizontal space 8m of brace, sectional dimension use 609x16 steel pipe, and both ends, which are separately fixed at, to be set to On built-in fitting steel plate on bar shaped support 5 and purlin 4.
Referring to Fig. 1 and Fig. 2, end bay bottom plate 8 is reinforced concrete structure, and thickness 600 corresponds to position in cable wire when bottom slab concreting Set pre-buried steel anchoring part 11.
Referring to Fig. 1 and Fig. 2, cable wire is set to each position 1m in every diagonal brace two sides, and top anchor is on bar shaped support 5, bottom Portion, which is anchored at, to be embedded on steel anchoring part 11.Cable wire, which passes through at bar shaped support 5, takes pre-buried PVC casing, passes through 11 front and back of steel anchoring part The mode of punching is taken at end plate.
11 bottom of steel anchoring part is embedded on end bay bottom plate 8 by 9 22 diameter anchor bars.Steel anchoring part 11 by base plate, Front and back end plate, two pieces of web compositions, are all made of thick steel plate, and connection type is welding.
Work progress is as follows:
As shown in figure 3, in place ground construction building enclosure 1, pile foundation, buttress stake, crown beam 3, steel column 10;
As shown in Figure 4 and Figure 5, it is excavated to an earth excavation face, then construct bar shaped support 5, purlin 4 install brace 6;
As shown in Figure 6 and Figure 7, margin of foundation pit earth excavation is to foundation pit bottom, intermediate earth excavation to " benzvalene form " excavation face; Construction end bay bottom plate 8, steel anchoring part 11 after the completion of excavating;Then oblique pull arm 9 is installed and apply prestressing force, oblique pull arm 9 is specially steel Rope, cable wire are specifically made of steel strand wires, and the locking of anchorage 12 is respectively adopted at bar shaped support 5 and steel anchoring part 11;
As shown in figure 8, excavating middle part surplus earth, while carrying out end bay basement structure construction.All to middle part cubic metre of earth After being excavated to foundation pit bottom, middle part basement structure of constructing immediately
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with this field technology Personage can understand the content of present invention and be implemented, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.

Claims (7)

1. a kind of method for pattern foundation pit supporting structure, which is characterized in that method includes the following steps:
Step 1, the parameter according to construction foundation pit, in design position while building enclosure (1) of constructing, buttress stake column (2) and pile foundation It arranges (7), and arranged in parallel between the building enclosure (1), buttress stake column (2) and pile foundation column (7), is needing The construction building enclosure (1) at the margin of foundation pit of supporting, the top of building enclosure (1) and foundation pit top maintain an equal level, in foundation pit model Interior construction buttress stake column (2) are enclosed, the height at the top of the buttress stake column (2) is lower than the height at the top of the building enclosure (1), institute Pile foundation column (7) setting is stated between the building enclosure (1) and buttress stake column (2), and the top of pile foundation column (7) and foundation pit Bottom maintain an equal level;
Step 2 after completing step (1), is constructed crown beam (3), so that building enclosure (1) and crown beam at the top of building enclosure (1) (3) effectively connection, and crown beam (3) is arranged on the construction site at the top of foundation pit;
The top that the earthwork to the buttress stake arranges (2) in step 3, excavation pit is exposed, while will be at the top of buttress stake column (2) The earthwork between the crown beam (3) is dug to inclination, and tilt angle is design angle;
Step 4 is constructed bar shaped support (5) at the top of buttress stake column (2), so that buttress stake column (2) and the item Shape support (5) effectively connects, and constructs purlin (4) in the building enclosure (1) below the crown beam (3), and in the item Brace (6) are set up between shape support (5) and the purlin (4), so that the bar shaped support (5) effectively connects with the purlin (4) It connects, and the brace (6) is arranged on the inclined-plane that step 3 is dug out, and the tilt angle and bevel inclination angle of the brace (6) It is identical;
Step 5, using the mode of falling basin excavation by margin of foundation pit earth excavation to bottom of foundation ditch, and at the top of pile foundation column (7) Expose, and the earthwork between the bar shaped support (5) and bottom of foundation ditch is scraped out into inclined surface, and tilt angle is design angle Degree;
Step 6 is constructed end bay bottom plate (8) at the top of pile foundation column (7), so that pile foundation column (7) and the end bay bottom Plate (8) effectively connects;
Step 7 is constructed oblique pull arm (9) between the bar shaped support (5) and the end bay bottom plate (8), so that the bar shaped branch It effectively connects, is wherein dug out in the tilt angle of oblique pull arm (9) and step (5) oblique between seat (5) and the end bay bottom plate (8) The tilt angle in face is identical;
Step 8, excavation pit middle part surplus earth to bottom of foundation ditch.
2. a kind of method for pattern foundation pit supporting structure according to claim 1, which is characterized in that building enclosure (1) tool Body is made of multiple campsheds, is connected between each campshed by the crown beam (3), and the buttress stake column (2) are specifically by more A buttress stake is constituted, and is connected between each buttress stake by the bar shaped support (5), and the pile foundation column (7) are specially two Row, and pile foundation column (7) are specifically made of multiple pile foundations, are connected between each pile foundation by end bay bottom plate (8).
3. a kind of method for pattern foundation pit supporting structure according to claim 2, which is characterized in that the top of the buttress stake is also It is arranged steel column (10), and the buttress stake overhead height and bottom of foundation ditch maintain an equal level, the height at the top of the steel column (10) is Design height, and its height is lower than the height at the top of the building enclosure (1), the excavation pit earthwork is to the steel in step (3) The top of column (10) is exposed, and the earthwork between the top and the crown beam (3) of the steel column (10) is dug to inclination, and is tilted Angle is design angle, is specially to construct the bar shaped support (5) in step (4) at the top of the steel column (10), each It is connected between the steel column (10) by the bar shaped support (5).
4. a kind of method for pattern foundation pit supporting structure according to claim 1 to 3, which is characterized in that the pile foundation column (7) it is at least two column.
5. a kind of method for pattern foundation pit supporting structure according to claim 1, which is characterized in that the oblique pull arm (9) is specific For cable wire, the cable wire is specifically made of steel strand wires, and one end of the cable wire passes through steel anchoring part (11) and the end bay bottom plate (8) Connection, the other end is connect by anchorage (12) with the bar shaped support (5), and the steel anchoring part (11) is embedded in the end bay bottom The top of plate (8).
6. a kind of method for pattern foundation pit supporting structure according to claim 1, which is characterized in that the bar shaped support (5) and The purlin (4) is that the combined steel of armored concrete or hollow out is made.
7. a kind of method for pattern foundation pit supporting structure according to claim 3, which is characterized in that the steel column (10) is specific It is made of hollow steel tube or combined steel.
CN201711347486.6A 2017-12-15 2017-12-15 A method of for pattern foundation pit supporting structure Active CN108035360B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711347486.6A CN108035360B (en) 2017-12-15 2017-12-15 A method of for pattern foundation pit supporting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711347486.6A CN108035360B (en) 2017-12-15 2017-12-15 A method of for pattern foundation pit supporting structure

Publications (2)

Publication Number Publication Date
CN108035360A CN108035360A (en) 2018-05-15
CN108035360B true CN108035360B (en) 2019-08-02

Family

ID=62102742

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711347486.6A Active CN108035360B (en) 2017-12-15 2017-12-15 A method of for pattern foundation pit supporting structure

Country Status (1)

Country Link
CN (1) CN108035360B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111424680B (en) * 2020-04-21 2021-07-09 湖北地建正发建设工程有限公司 Foundation pit supporting structure based on multiple miniature piles and construction method thereof
CN112962615B (en) * 2021-01-25 2022-07-22 中建五局第三建设有限公司 Assembled foundation pit construction quick diagonal bracing equipment
CN115130167B (en) * 2022-05-13 2023-02-03 安徽省城建设计研究总院股份有限公司 II-shaped support design method, support method applying II-shaped support and support design system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07252835A (en) * 1994-03-15 1995-10-03 Toda Constr Co Ltd Construction method for diagonal shore strut
CN1482310A (en) * 2003-07-23 2004-03-17 顺德市永基建筑基础有限公司 Support method for construction foundation ditch
CN205712137U (en) * 2016-06-24 2016-11-23 无锡商业职业技术学院 Foundation pit supporting construction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07252835A (en) * 1994-03-15 1995-10-03 Toda Constr Co Ltd Construction method for diagonal shore strut
CN1482310A (en) * 2003-07-23 2004-03-17 顺德市永基建筑基础有限公司 Support method for construction foundation ditch
CN205712137U (en) * 2016-06-24 2016-11-23 无锡商业职业技术学院 Foundation pit supporting construction

Also Published As

Publication number Publication date
CN108035360A (en) 2018-05-15

Similar Documents

Publication Publication Date Title
US3490242A (en) Method and structure for reinforcing an earthen excavation
CN106677189A (en) Inclined pile wall bearing type foundation pit support structure and construction method thereof
CN111335327A (en) Deep anchor pile supporting system and construction method thereof
CN108035360B (en) A method of for pattern foundation pit supporting structure
CN110106919A (en) A kind of lid digs the building enclosure and its construction method at station
CN110241828A (en) The outer sealing construction method for supporting of anchor in a kind of row's grating tubular pole grouting behind shaft or drift lining
CN210104758U (en) Foundation pit supporting system of soil nail bored concrete pile anchor cable combination
CN109441456A (en) A kind of the tunnel structure and its construction method of weakness Facility-sliding strata
CN111560962A (en) Backfill area foundation pit supporting structure and construction method thereof
CN109914422A (en) A kind of steel pipe and soil nailing combined type foundation pit supporting construction and construction method
CN110777802A (en) Deep foundation pit high-low span supporting structure and construction method thereof
CN211200426U (en) Anti-sliding supporting and retaining structure for miniature steel pipe pile retaining wall
CN108914945A (en) A kind of deep basal pit pile for prestressed pipe, prestress anchorage cable combined supporting construction method
CN108005086B (en) A kind of high buttress counter pull type inclined support structure for pattern foundation pit supporting structure
CN109881683A (en) A kind of more sublevel retaining structures and its construction method for combining artificial earth fill's grouting reinforcement technique
CN212104116U (en) Deep anchor pile supporting system
CN210288408U (en) Foundation pit supporting structure
CN209195412U (en) A kind of tunnel structure suitable for weak Facility-sliding strata
CN203373753U (en) Pile anchor retaining wall concrete anchor cable top beam structure of foundation ditches
CN112813984B (en) Deep foundation pit construction method under complex geological condition
KR20230030532A (en) Thumb pile using guide bracket and ground anchor and construction method of retaining temporary facility using the same
KR20220161795A (en) Connecting structure of reinforced wall and constructing method thereof
JP3244324B2 (en) Mountain retaining method
KR20110034831A (en) Method for non excavated excavating construction using steel pipe and steel pipe with hole
CN110318419A (en) The construction method of the lining door opening supporting of underpass type piping lane one

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant