CN103590408A - Novel double-row pile beam vertical anchor supporting system and construction method thereof - Google Patents
Novel double-row pile beam vertical anchor supporting system and construction method thereof Download PDFInfo
- Publication number
- CN103590408A CN103590408A CN201310595844.0A CN201310595844A CN103590408A CN 103590408 A CN103590408 A CN 103590408A CN 201310595844 A CN201310595844 A CN 201310595844A CN 103590408 A CN103590408 A CN 103590408A
- Authority
- CN
- China
- Prior art keywords
- slope protection
- row
- pile
- anchor pole
- protection pile
- 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.)
- Granted
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a novel double-row pile beam vertical anchor supporting system and a construction method of the novel double-row pile beam vertical anchor supporting system. The supporting system comprises front row slope protection piles, rear row slope protection piles and connecting beams, wherein the front row slope protection piles are located on a slope of a foundation pit, the rear row slope protection piles are located in a good ground on the outer side of the foundation pit, and the connecting beams are connected between the pile tops of the front row slope protection piles and the pile tops of the rear row slope protection piles and are lattice beams. A row of vertical prestress anchor rods are arranged on the outer sides of the rear row slope protection piles, the upper portions of the vertical prestress anchor rods are in flexible connection with anchor rod connecting beams in the lattice beams, and the lower portions of the vertical prestress anchor rods are anchored in the good ground on the outer sides of the rear row slope protection piles. According to the supporting system and the construction method of the supporting system, the vertical prestress anchor rods are arranged, so that the pile body stress condition of the whole structure is improved, and the whole supporting structure is optimized and more reasonable.
Description
Technical field
The present invention relates to a kind of building foundation pit supporting system and job practices thereof.
Background technology
Build in Foundation Pit Support Design construction, common are supporting type and the wherein combinations of two or more supporting type such as (compound) plate brad supporting, the supporting of stake (wall) anchor, stake (wall) support supporting, the pattern foundation pit supporting structure of current most object of construction production adopts above-mentioned supporting type.
In recent years, quickening along with urban construction process, in urban district, building sharply increases, building density is more and more high, land resources is more and more nervous, and ground, the underground space that utilizes are fewer and feweri, much plan to build building and seize every opportunity, be forced in existing building side and build very nearby apart from existing building, so also cause following problems when making full use of soil:
(1) due to newly-started building foundation pit next-door neighbour existing building, cause the slope support method of new building foundation ditch to be difficult to choose, can not take to put slope excavation, can not carry out (compound) plate brad supporting again.
(2) if take the measures such as pile-anchor retaining or joist anchor supporting, because the restriction in soil body space behind slope is (because of the restriction on existing building basis, behind slope, soil body width is limited), so anchor pole angle is larger, supporting effect is poor, and some side slopes anchor pole of at all cannot constructing, in such cases, although feasible in employing inner support scheme, its implementation cost is higher, operation is numerous and diverse, the construction period is longer, serious to soil excavation and main structure body construction infection.
(3) in recent years, Double-row-piles Structure has obtained certain development, have some superiority, but the foundation depth of traditional Double-row-piles Structure supporting is limited, and supporting safety factor is lower in next-door neighbour's existing building foundation pit stope support, and slope deforming is larger.
With regard to present circumstances, see, completed or in the excavation slope engineering of many next-door neighbour's existing buildings of building, its supporting effect is all not satisfactory, slope deforming is larger, particularly the foundation ditch accident of top, slope distortion and so on happens occasionally, so for the defect of above-mentioned all kinds supporting and protection structure self, not finding temporarily can be for the limited next-door neighbour's existing building foundation ditch of the underground space, have good supporting effect not only but also can have easy construction concurrently and the simple New Supporting pattern of operation.
Summary of the invention
The object of this invention is to provide the perpendicular anchor New Supporting system of a kind of double-row pile beam and job practices thereof, solve and be applied in that the supporting effect that the supporting and protection structure in the limited next-door neighbour's existing building foundation ditch of the underground space has is poor, the technical barrier of construct loaded down with trivial details and complex procedures.
For achieving the above object, the present invention adopts following technical scheme: a kind of double-row pile beam erects anchor New Supporting system, comprise the front-seat slope protection pile that is positioned at excavation slope place, be arranged in rear row's slope protection pile of the good ground in foundation ditch outside, and be connected to the stake top of front-seat slope protection pile and the stake of the rear row's slope protection pile tie-beam between pushing up, it is characterized in that: described tie-beam is lattice girder, by the front campshed apical cap beam that is rigidly attached to front-seat slope protection pile stake top, be rigidly attached to the rear campshed apical cap beam on rear row's slope protection pile stake top, be positioned at rear campshed apical cap beam outside and with the anchor pole coupling beam of rear campshed apical cap beam opposing parallel, be connected between front campshed apical cap beam and rear campshed apical cap beam and with front campshed apical cap beam and rear campshed apical cap beam and build the front coupling beam being integrated, and be connected between rear campshed apical cap beam and anchor pole coupling beam and build with rear campshed apical cap beam and anchor pole coupling beam the rear coupling beam being integrated and form, the outside of described rear row's slope protection pile is also provided with row's vertical prestressing anchor pole, and the top of this row's vertical prestressing anchor pole and the anchor pole coupling beam in lattice girder flexibly connect, and the bottom of this row's vertical prestressing anchor pole is anchored in the good ground in rear row's slope protection pile outside.
In described anchor pole coupling beam, can be provided with default steel pipe, the top of described vertical prestressing anchor pole flexibly connects through default steel pipe and by anchor head and backing plate and anchor pole coupling beam.
The rod body material of described vertical prestressing anchor pole can be steel strand, reinforcing bar or steel tendon.
Described lattice girder can be Cast-in-situ Beam or precast beam.
Described front-seat slope protection pile can be square slope protection pile or circular slope protection pile.
Described rear row's slope protection pile can be square slope protection pile or circular slope protection pile.
The job practices of the perpendicular anchor New Supporting system of above-mentioned double-row pile beam, is characterized in that construction sequence is as follows: step 1, according to working drawing requirement, carry out measurement and positioning; Step 2, rig are in place, carry out the construction of front-seat slope protection pile and rear row's slope protection pile; Step 3, construction vertical prestressing anchor pole; Step 4, construction lattice girder, be embedded with default steel pipe on lattice girder; Step 5, front-seat slope protection pile, rear row's slope protection pile, vertical prestressing anchor pole and lattice girder reach after the design strength of regulation, and vertical prestressing anchor pole is carried out tensioning fixation, vertical prestressing anchor pole dative structure beam is flexibly connected; Step 6, excavation of foundation pit, and can be according to the data of monitoring, optionally carry out the follow-up benefit stretch-draw of vertical prestressing anchor pole operation.
Compared with prior art the present invention has following characteristics and beneficial effect: the present invention has adopted Double-row-piles Structure, the underground space that can reduce to take like this, be applicable to the limited next-door neighbour's existing building foundation ditch of the underground space that common pile-anchor supporting system cannot be applied, certainly, the present invention also has good supporting effect in conventional foundation pit stope support.
Compare with traditional Retaining Structure with Double-row Piles, the present invention is also provided with vertical prestressing anchor pole in the good ground in double-row pile outside, vertical prestressing anchor pole can make full use of the anchored force that deep soil layer provides, effectively increase the factor of safety against overturning of double-row pile, the building-in depth that has reduced pile body, that is to say, vertical prestressing anchor pole has improved the pile body force-bearing situation of total, optimize whole supporting and protection structure, make whole supporting and protection structure become more reasonable.
Compare with traditional Retaining Structure with Double-row Piles of same size, the present invention can reduce top, slope distortion (distortion of stake top), improves the pile body force-bearing situation of slope protection pile, improves the cantilever height of slope protection pile, under equal conditions, and applicable to darker foundation ditch.
Compare with traditional Retaining Structure with Double-row Piles, when the foundation ditch for onesize, do not affecting under the prerequisite of foundation ditch safety factor, the present invention can effectively reduce a long and stake footpath, saves engineering material, reduces construction cost, the shortening construction period.
All working procedures of the present invention, all at ground construction, are compared with traditional supporting and protection structure, have avoided the crossed construction in hole, have shortened the duration, have simplified operation, have improved safety.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is perspective view of the present invention.
Fig. 2 is facade structures schematic diagram of the present invention.
Fig. 3 is the schematic top plan view of Fig. 2.
Fig. 4 is the plan structure schematic diagram at the connected node place of lattice girder and vertical prestressing anchor pole.
Fig. 5 is the facade structures schematic diagram at the connected node place of lattice girder and vertical prestressing anchor pole.
Before the front-seat slope protection pile of Reference numeral: 1-, 2-tie-beam, 2.1-, after campshed apical cap beam, 2.2-, before campshed apical cap beam, 2.3-anchor pole coupling beam, 2.4-, after coupling beam, 2.5-, after coupling beam, 3-vertical prestressing anchor pole, 4-backing plate, 5-anchor head, the default steel pipe of 6-, 7-existing building basis, 8-good ground, 9-, arrange soil layer under slope protection pile, 10-substrate.
The specific embodiment
Embodiment is referring to shown in Fig. 1-3, this double-row pile beam erects anchor New Supporting system, comprises the tie-beam 2 being arranged between the pushing up of the front-seat slope protection pile 1 at excavation slope place, the rear row's slope protection pile 9 of good ground 8 (i.e. good ground 8 between front-seat slope protection pile 1 and existing building basis 7 or red line region, underground obstacle etc.) that is arranged in foundation ditch outside and the stake top that is connected to front-seat slope protection pile and rear row's slope protection pile.
Described tie-beam is lattice girder, by the front campshed apical cap beam 2.1 that is rigidly attached to front-seat slope protection pile stake top, be rigidly attached to the rear campshed apical cap beam 2.2 on rear row's slope protection pile stake top, be positioned at rear campshed apical cap beam outside and with the anchor pole coupling beam 2.3 of rear campshed apical cap beam opposing parallel, be connected between front campshed apical cap beam and rear campshed apical cap beam and with front campshed apical cap beam and rear campshed apical cap beam and build the front coupling beam 2.4 being integrated, and be connected between rear campshed apical cap beam and anchor pole coupling beam and build with rear campshed apical cap beam and anchor pole coupling beam the rear coupling beam 2.5 being integrated and form.
The outside of described rear row's slope protection pile 9 is also provided with row's vertical prestressing anchor pole 3, the top of this row's vertical prestressing anchor pole 3 and the anchor pole coupling beam 2.3 in lattice girder flexibly connect, and the bottom of this row's vertical prestressing anchor pole 3 is anchored in the good ground 8 in rear row's slope protection pile 9 outsides.
The bottom of described front-seat slope protection pile 1 and rear row's slope protection pile 9 all stretches under substrate in soil layer 10, concrete length is definite by designing according to the soil layer situation at position of living in, the stake top of front-seat slope protection pile 1 and rear row's slope protection pile 9 is stretched into lattice depth of beam and is met national sector standard, as 50mm.
Described front-seat slope protection pile 1 is square slope protection pile, circular slope protection pile or other special-shaped slope protection pile, rear row's slope protection pile 9 is square slope protection pile, circular slope protection pile or other special-shaped slope protection pile, the stake type of front-seat slope protection pile 1 and rear row's slope protection pile 9 adopts general stake type at present, as steel sheet pile, reinforced concrete pile and steel tube concrete pile etc.It is definite that the job practices of front-seat slope protection pile 1 and rear row's slope protection pile 9 is looked stake type, soil layer situation and surrounding enviroment that design adopts, as manual pore-forming, long spiral, revolve and the job practices such as dig.
Described lattice girder is used for front-seat slope protection pile 1 and rear row's slope protection pile 9 to be connected to become integral body, and the anchored force of vertical prestressing anchor pole 3 is delivered in front-seat slope protection pile 1 and rear row's slope protection pile 9.Lattice girder is Cast-in-situ Beam or precast beam, and as reinforced concrete structure etc., the horizontal plane arrangement form of lattice girder (being the pattern of tie-beam 2.3) is definite by designing depending on loading characteristic, in the present embodiment, employing be rectangular frame form.
The rod body material of described vertical prestressing anchor pole 3 adopts conventional material, as steel strand, reinforcing bar or steel tendon etc.Vertical prestressing anchor pole is comprised of anchoring section and free segment, and the length allocation of anchoring section and free segment, prestressed stretch-draw lock value are determined by design; The injecting paste material of the anchoring section of vertical prestressing anchor pole 3 is cement paste or other slurries; Vertical prestressed anchor bar drill hole, by drilling machine construction or manual pore-forming, utilizes hollow jack to carry out tensioning fixation.
Referring to Fig. 4, Fig. 5, in the present embodiment, anchor pole coupling beam 2.3 is provided with default steel pipe 6, and the top of described vertical prestressing anchor pole 3 flexibly connects with anchor pole coupling beam 2.3 through default steel pipe 6 and by anchor head 5 and backing plate 4.
In foundation ditch (being especially close to the foundation ditch of existing building) supporting, construction sequence of the present invention is as follows.
Content described in this manual embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as only limiting to the concrete form that embodiment states, protection scope of the present invention also and in those skilled in the art, according to the present invention, conceive the equivalent technologies means that can expect.When the axis direction of vertical prestressing anchor pole and vertical direction angle are smaller angle (<30 °), also belong to the vertical prestressing anchor pole described in this patent, be also the scope of this patent protection.
Claims (7)
1. a double-row pile beam erects anchor New Supporting system, comprise the tie-beam (2) between being arranged in the front-seat slope protection pile (1) at excavation slope place, the rear row's slope protection pile (9) of good ground (8) that is positioned at foundation ditch outside and the stake top that is connected to front-seat slope protection pile pushes up with the stake of rear row's slope protection pile, it is characterized in that:
Described tie-beam is lattice girder, by the front campshed apical cap beam (2.1) that is rigidly attached to front-seat slope protection pile stake top, be rigidly attached to the rear campshed apical cap beam (2.2) on rear row's slope protection pile stake top, be positioned at rear campshed apical cap beam outside and with the anchor pole coupling beam (2.3) of rear campshed apical cap beam opposing parallel, be connected between front campshed apical cap beam and rear campshed apical cap beam and with front campshed apical cap beam and rear campshed apical cap beam and build the front coupling beam (2.4) being integrated, and be connected between rear campshed apical cap beam and anchor pole coupling beam and build with rear campshed apical cap beam and anchor pole coupling beam the rear coupling beam (2.5) being integrated and form,
The outside of described rear row's slope protection pile (9) is provided with row's vertical prestressing anchor pole (3), the top of this row's vertical prestressing anchor pole (3) and the anchor pole coupling beam (2.3) in lattice girder flexibly connect, and the bottom of this row's vertical prestressing anchor pole (3) is anchored in the good ground (8) in rear row's slope protection pile (9) outside.
2. a kind of double-row pile beam according to claim 1 erects anchor New Supporting system, it is characterized in that: described anchor pole coupling beam (2.3) is provided with default steel pipe (6), the top of described vertical prestressing anchor pole (3) is through presetting steel pipe (6), also flexibly connecting with anchor pole coupling beam (2.3) by anchor head (5) and backing plate (4).
3. the perpendicular anchor New Supporting system of a kind of double-row pile beam according to claim 1, is characterized in that: the rod body material of described vertical prestressing anchor pole (3) is steel strand, reinforcing bar or steel tendon.
4. the perpendicular anchor New Supporting system of a kind of double-row pile beam according to claim 1, is characterized in that: described lattice girder is Cast-in-situ Beam or precast beam.
5. the perpendicular anchor New Supporting system of a kind of double-row pile beam according to claim 1, is characterized in that: described front-seat slope protection pile (1) is square slope protection pile or circular slope protection pile.
6. the perpendicular anchor New Supporting system of a kind of double-row pile beam according to claim 1, is characterized in that: described rear row's slope protection pile (9) is square slope protection pile or circular slope protection pile.
7. a job practices for the perpendicular anchor New Supporting system of the double-row pile beam described in any one in the claims 1-6, is characterized in that construction sequence is as follows:
Step 1, according to working drawing requirement, carry out measurement and positioning;
Step 2, rig are in place, carry out the construction of front-seat slope protection pile (1) and rear row's slope protection pile (9);
Step 3, construction vertical prestressing anchor pole (3);
Step 4, construction lattice girder;
Step 5, front-seat slope protection pile (1), rear row's slope protection pile (9), vertical prestressing anchor pole (3) and lattice girder (2) reach after the design strength of regulation, and vertical prestressing anchor pole (3) is carried out tensioning fixation, vertical prestressing anchor pole (3) and lattice girder are flexibly connected;
Step 6, excavation of foundation pit, and can be according to the data of monitoring, optionally carry out the follow-up benefit stretch-draw of vertical prestressing anchor pole (3) operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310595844.0A CN103590408B (en) | 2013-11-25 | 2013-11-25 | The perpendicular anchor support system of a kind of double-row pile beam and constructional method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310595844.0A CN103590408B (en) | 2013-11-25 | 2013-11-25 | The perpendicular anchor support system of a kind of double-row pile beam and constructional method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103590408A true CN103590408A (en) | 2014-02-19 |
| CN103590408B CN103590408B (en) | 2016-06-15 |
Family
ID=50080710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310595844.0A Expired - Fee Related CN103590408B (en) | 2013-11-25 | 2013-11-25 | The perpendicular anchor support system of a kind of double-row pile beam and constructional method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103590408B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563129A (en) * | 2014-12-31 | 2015-04-29 | 云南建工基础工程有限责任公司 | Double-row pile structure with cored horizontal rotary jet grouting pile on pile body |
| CN110004938A (en) * | 2019-03-27 | 2019-07-12 | 中冶成都勘察研究总院有限公司 | A kind of foundation pit side-wall structural strengthening suspension device |
| CN110820764A (en) * | 2019-12-04 | 2020-02-21 | 大连理工大学 | Construction method of three-dimensional rigid foundation pit supporting structure |
| CN111501774A (en) * | 2020-04-13 | 2020-08-07 | 中建三局集团有限公司 | Supporting system for front row inclined double-row piles and construction method thereof |
| CN111648378A (en) * | 2020-06-16 | 2020-09-11 | 深圳市勘察测绘院(集团)有限公司 | Square-round pile combined foundation pit supporting method |
| CN112681333A (en) * | 2020-12-15 | 2021-04-20 | 中国建筑第八工程局有限公司 | Foundation pit supporting structure of waterside bridge abutment foundation and construction method thereof |
| CN112921987A (en) * | 2021-04-19 | 2021-06-08 | 湖南大学 | Deep foundation pit supporting structure and deep foundation pit construction method |
| CN113513026A (en) * | 2021-04-22 | 2021-10-19 | 中建八局第二建设有限公司 | Soft soil foundation deep foundation pit pile end rear anchoring combined steel sheet pile and construction method thereof |
| CN113550322A (en) * | 2021-07-09 | 2021-10-26 | 上海市基础工程集团有限公司 | Enclosure system next to deep and shallow foundation pit and construction method |
| 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 (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04368519A (en) * | 1991-06-18 | 1992-12-21 | Ando Kensetsu Kk | Anchor retaining wall |
| CN101545261A (en) * | 2009-02-23 | 2009-09-30 | 丁慈鑫 | Device for improving degree of security of foundation ditch construction and method thereof |
| CN101560770A (en) * | 2008-04-15 | 2009-10-21 | 广东省六建集团有限公司 | Novel deep building foundation pit supporting system |
| CN101603314A (en) * | 2009-07-01 | 2009-12-16 | 罗康 | Pit pile anchor bar [rope] combined supporting method |
| CN102535456A (en) * | 2011-12-27 | 2012-07-04 | 南京林业大学 | Back-anchored uplift pile with flexible pile top |
| CN202627000U (en) * | 2012-05-31 | 2012-12-26 | 中科院广州化灌工程有限公司 | Anchor-pulling type foundation pit supporting structure with double rows of piles |
| CN202936798U (en) * | 2012-12-05 | 2013-05-15 | 昆明理工大学 | Double-row pile structure with prestress vertical anchor cables |
| JP2013136922A (en) * | 2011-12-28 | 2013-07-11 | Ohbayashi Corp | Earth retaining wall supporting method, earth retaining wall supporting structure, and underground skeleton constructing method |
| CN203583496U (en) * | 2013-11-25 | 2014-05-07 | 中国建筑股份有限公司 | Novel double-row-pile-beam vertical anchor supporting system |
-
2013
- 2013-11-25 CN CN201310595844.0A patent/CN103590408B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04368519A (en) * | 1991-06-18 | 1992-12-21 | Ando Kensetsu Kk | Anchor retaining wall |
| CN101560770A (en) * | 2008-04-15 | 2009-10-21 | 广东省六建集团有限公司 | Novel deep building foundation pit supporting system |
| CN101545261A (en) * | 2009-02-23 | 2009-09-30 | 丁慈鑫 | Device for improving degree of security of foundation ditch construction and method thereof |
| CN101603314A (en) * | 2009-07-01 | 2009-12-16 | 罗康 | Pit pile anchor bar [rope] combined supporting method |
| CN102535456A (en) * | 2011-12-27 | 2012-07-04 | 南京林业大学 | Back-anchored uplift pile with flexible pile top |
| JP2013136922A (en) * | 2011-12-28 | 2013-07-11 | Ohbayashi Corp | Earth retaining wall supporting method, earth retaining wall supporting structure, and underground skeleton constructing method |
| CN202627000U (en) * | 2012-05-31 | 2012-12-26 | 中科院广州化灌工程有限公司 | Anchor-pulling type foundation pit supporting structure with double rows of piles |
| CN202936798U (en) * | 2012-12-05 | 2013-05-15 | 昆明理工大学 | Double-row pile structure with prestress vertical anchor cables |
| CN203583496U (en) * | 2013-11-25 | 2014-05-07 | 中国建筑股份有限公司 | Novel double-row-pile-beam vertical anchor supporting system |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563129A (en) * | 2014-12-31 | 2015-04-29 | 云南建工基础工程有限责任公司 | Double-row pile structure with cored horizontal rotary jet grouting pile on pile body |
| CN110004938A (en) * | 2019-03-27 | 2019-07-12 | 中冶成都勘察研究总院有限公司 | A kind of foundation pit side-wall structural strengthening suspension device |
| CN110820764A (en) * | 2019-12-04 | 2020-02-21 | 大连理工大学 | Construction method of three-dimensional rigid foundation pit supporting structure |
| CN111501774A (en) * | 2020-04-13 | 2020-08-07 | 中建三局集团有限公司 | Supporting system for front row inclined double-row piles and construction method thereof |
| CN111648378A (en) * | 2020-06-16 | 2020-09-11 | 深圳市勘察测绘院(集团)有限公司 | Square-round pile combined foundation pit supporting method |
| CN112681333A (en) * | 2020-12-15 | 2021-04-20 | 中国建筑第八工程局有限公司 | Foundation pit supporting structure of waterside bridge abutment foundation and construction method thereof |
| CN112681333B (en) * | 2020-12-15 | 2022-07-12 | 中国建筑第八工程局有限公司 | Foundation pit supporting structure of waterside bridge abutment foundation and construction method thereof |
| CN112921987A (en) * | 2021-04-19 | 2021-06-08 | 湖南大学 | Deep foundation pit supporting structure and deep foundation pit construction method |
| CN113513026A (en) * | 2021-04-22 | 2021-10-19 | 中建八局第二建设有限公司 | Soft soil foundation deep foundation pit pile end rear anchoring combined steel sheet pile and construction method thereof |
| CN113550322A (en) * | 2021-07-09 | 2021-10-26 | 上海市基础工程集团有限公司 | Enclosure system next to deep and shallow foundation pit and construction method |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103590408B (en) | 2016-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103590408A (en) | Novel double-row pile beam vertical anchor supporting system and construction method thereof | |
| CN103485351A (en) | Inclined pile vertical anchor rod supporting structure for foundation pit supporting and construction method thereof | |
| CN103469803A (en) | Pile beam vertical anchor support system used for supporting foundation pit and construction method of pile beam vertical anchor support system | |
| CN104532868B (en) | High abrupt change shape sloped region bridge anchor pull-type high cap pile group basis construction method | |
| CN204418187U (en) | Subway protection region soil nail wall is in conjunction with double-row pile deep foundation ditch composite supporting construction | |
| CN109930609A (en) | A kind of campshed composite supporting construction and its construction method for upper-soft lower-hard ground | |
| CN103114595A (en) | Support method and device of support pile preformed core-soil double-buttress inclined inner-strut foundation ditch | |
| CN102330436B (en) | Composite retaining structure and composite retaining method for half geotechnical layer ultradeep round spiral flow tank | |
| CN203559423U (en) | Novel inclined pile and vertical anchor supporting structure next to existing building foundation pit | |
| CN103321234A (en) | Load-bearing structure built on high slope or geological complex area and constructing method thereof | |
| CN104863177A (en) | Composite retaining wall structure and construction method thereof | |
| CN203498841U (en) | Inclined pile vertical anchor rod supporting structure used for foundation pit supporting | |
| CN204040041U (en) | A kind of front close rear thin Double-row Piles Support system being provided with vertical anchor pole | |
| CN203583496U (en) | Novel double-row-pile-beam vertical anchor supporting system | |
| CN113482011B (en) | Large-diameter PHC pipe pile and cast-in-situ bored pile combined foundation pit supporting structure and method | |
| CN104594360A (en) | Composite double-row pile foundation pit supporting structure | |
| CN203498842U (en) | Pile beam vertical anchor supporting system used for foundation pit supporting | |
| CN107476316B (en) | Building foundation pit internal and external support structure and construction method | |
| CN203795434U (en) | Portal type bamboo joint mortar pile building envelope | |
| CN103711123B (en) | The construction method of bamboo joint type mortar pile | |
| CN112302007B (en) | Pile bearing frame for pile foundation and construction method | |
| CN108035360A (en) | A kind of method for pattern foundation pit supporting structure | |
| CN204059341U (en) | Bamboo joint type mortar pile | |
| CN108005086B (en) | A kind of high buttress counter pull type inclined support structure for pattern foundation pit supporting structure | |
| CN203583494U (en) | Double-row pile supporting system provided with vertical anchor rods arranged between rows |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20201125 |