CN106638618A - Construction method of reinforced concrete support structure of diaphgram wall retaining foundation pit - Google Patents
Construction method of reinforced concrete support structure of diaphgram wall retaining foundation pit Download PDFInfo
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- CN106638618A CN106638618A CN201611183282.9A CN201611183282A CN106638618A CN 106638618 A CN106638618 A CN 106638618A CN 201611183282 A CN201611183282 A CN 201611183282A CN 106638618 A CN106638618 A CN 106638618A
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- reinforced concrete
- wall
- anchor cable
- hole
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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
Abstract
The invention discloses a construction method of a reinforced concrete support structure of a diaphgram wall retaining foundation pit. The reinforced concrete support structure of the diaphgram wall retaining foundation pit mainly comprises an underground diaphragm wall, a underground diaphragm wall main reinforcement, a pre-buried anchor cable fixing end, a anchor cable protecting tube, an anchor cable, a straight sleeve, a reserved connecting reinforcement with mantle fibers, a cross-shaped stiffened plate with holes, a horizontal connecting reinforcement with a thread, a fiber cloth isolating film, a vertical filling agent main pipe, a horizontal filling agent main pipe, a post-installed L-shaped lower supporting plate, a post-installed Z-shaped upper fixing plate, a pre-buried PVC pipe, a supporting main reinforcement and a reinforced concrete support. The construction method comprises the steps of trenching construction, reinforcement cage manufacturing, concrete pouring, part of a diaphgram wall chiseling off, crown beam and reinforcement concrete support pouring, demolition blasting and the like. The construction method of the reinforced concrete support structure of the diaphgram wall retaining foundation pit has the advantages that shear resisting strength is high, connection is convenient and quick, and steel can be recycled and reused; and the purposes of shortening the construction period and reducing construction cost are achieved.
Description
Technical field
The present invention relates to deep-foundation pit engineering field, and in particular to ground-connecting-wall goes along with sb. to guard him applying for foundation pit reinforced concrete supporting construction
Work method.
Background technology
Along with the fast development of Chinese national economy and technology, communal facility capital construction be formal development in science and technology must
Right result, China is achieving the development advanced by leaps and bounds from the subway construction nineties of 20th century.And diaphram wall is city
Subway station build in frequently with building enclosure form, construction of diaphragm wall according to noiseless, it is without friction, with to neighboring buildings
Affect little advantage and be widely adopted, while having preferable vertical seepage control to leak safeguard procedures, widely applied to station
In main body building enclosure engineering.But affected larger by geological conditions, surrounding enviroment during its construction, cell wall is easily occurred in work progress
Cave in, grooving deflection, when foundation ditch main body is excavated it is possible that the multinomial problem such as joint seepage.Facing, the duration is tight, ground
The various complexity of underground pipelines species, in the case that traffic data process difficulty is big, it is difficult to ensure that safely, guarantee the quality in the case of smoothly complete
Construction task.
In existing base pit engineering, reinforced concrete support has rigidity big, deforms little, resistance to the features such as press, extensively application
In pattern foundation pit supporting structure inner support engineering；Simultaneously reinforced concrete inner support there is also speed of application slowly, and cost is high, and construction is removed tired
Difficulty, the shortcomings of cannot reusing after dismounting.
The content of the invention
Present invention aim to solve the deficiency of above-mentioned background technology, there is provided a kind of ground-connecting-wall is gone along with sb. to guard him foundation pit reinforced mixed
The construction method of solidifying soil supporting construction, cross stiffened panel with holes, the reserved dowel of band mantle fiber, anchor cable considerably increase ground-connecting-wall and enclose
The tension shear resistance of shield foundation pit reinforced concrete supporting construction, pre-buried pvc pipe, fiber cloth barrier film, vertical filling agent supervisor, water
It is flat to fill the convenient dismounting of agent supervisor, the duration is greatly shortened, save construction costs.
In order to realize above-mentioned technical purpose, technical scheme below is present invention employs：
Ground-connecting-wall goes along with sb. to guard him the construction method of foundation pit reinforced concrete supporting construction, it is characterised in that the ground-connecting-wall is gone along with sb. to guard him
Foundation pit reinforced concrete supporting construction mainly includes diaphram wall 1, diaphram wall cage bar 2, pre-buried anchor cable fixing end 3, anchor
Rope protection pipe 4, anchor cable 5, straight screw sleeve 6, band mantle fiber reserved dowel 9, cross stiffened panel 10 with holes, threaded level connection joint
Muscle 14, fiber cloth barrier film 15, vertical filling agent supervisor 16, level fill solid on fagging 20, rearmounted Z-type under agent supervisor 17, rearmounted L-type
Plate 21, pre-buried pvc pipe 23, support cage bar 24 and reinforced concrete support 25；The cross stiffened panel 10 with holes is provided with vertically outer row
Through hole 11, vertically interior row's through hole 12, horizontal through hole 13；With the portion that the reserved dowel 9 of mantle fiber is diaphram wall cage bar 2
Segmentation, it is through vertical outer row's through hole 11 of cross stiffened panel 10 with holes and tight with the bolt of nut 8 with the reserved dowel 9 of mantle fiber；Band
Screw thread level connection joint muscle 14 is through the horizontal through hole 13 of cross stiffened panel 10 with holes and tight with the bolt of nut 8；Pre-buried anchor cable is fixed
End 3 is pre-welded in diaphram wall cage bar 2, and the colligation of anchor cable protection pipe 4 is in diaphram wall cage bar 2；Straight screw sleeve 6
It is pre-welded in diaphram wall cage bar 2 and threaded level connection joint muscle 14；The outside of the cross stiffened panel with holes 10 is surrounded by
Fiber cloth barrier film 15；Agent supervisor 16 is vertically filled through the vertical interior row's through hole 12 of cross stiffened panel 10 with holes, level fills agent master
Pipe 17 fills the socket of agent supervisor 16 with vertical, and colligation is on cross stiffened panel 10 with holes and threaded level connection joint muscle 14；Anchor cable 5
One end is fixed on pre-buried anchor cable fixing end 3, and other end anchorage 18, fixture 19 are fixed in Guan Liang 22；The Guan Liang 22, reinforcing bar
Concrete supports 25 one-piece castings；Support in 25 in reinforced concrete and be provided with pre-buried pvc pipe 23.
Further, the reserved dowel of band mantle fiber is threaded 9 and is provided with screw thread, convenient connection；
The construction method is mainly included the following steps that：
Step one, trenching construction：The standard cell section of construction adopts " three methods " milling slot, i.e., every width construction of diaphragm wall
When, soil at both sides is first grabbed, the Hou Zhua centers soil body is so excavated till design bottom land absolute altitude repeatedly；During clear bottom, using displacement
The clear bottom of method, crane suspention air lift enters groove；
Step 2, fabrication of reinforcing cage：Steel reinforcement cage should be according to the division of underground continuous wall body design reinforcement and unit groove section
To make；Pre-buried anchor cable fixing end 3, straight screw sleeve 6 are pre-welded in diaphram wall cage bar 2, the colligation of anchor cable protection pipe 4
The mouth of pipe is clogged in diaphram wall cage bar 2 and with stopple, all vertically and horizontally reinforcing bar corresponding site spot welding increase steel reinforcement cage entirety
Rigidity；
Step 3, casting concrete：Casting concrete forms diaphram wall 1；
Step 4, cut part diaphram wall：After concrete reaches prescribed strength, part diaphram wall 1 is cut
Concrete, draws the reserved dowel 9 of band mantle fiber, and through vertical outer row's through hole 11 of cross stiffened panel 10 with holes, with nut 8
Fixed, threaded level connection joint muscle 14 is fixed through horizontal through hole 13 on cross stiffened panel 10 with holes with nut 8, vertical to fill
Agent supervisor 16 passes through vertical interior row's through hole 12 of cross stiffened panel 10 with holes and colligation is on cross stiffened panel 10 with holes, level
Fill agent supervisor 17 and vertical filling agent supervisor 16 is socketed；
Step 5, pour Guan Liang, reinforced concrete support：Pre-buried pvc pipe is positioned over into reinforced concrete before pouring to support in 25；
Formwork, pours Guan Liang 22 and reinforced concrete supports 25；The vertical end of fagging 20 is connected with straight screw sleeve 6 by bolt 7 under rearmounted L-type
Connect and be fixed on above diaphram wall 1, horizontal ends support 25 to contact with reinforced concrete；Anchor cable protection pipe 4 is opened, anchor cable 5 is pulled out and is used
Anchorage 18, fixture 19 fix anchor cable 5 and on solid plate 21, form non-bonding prestress tendon in Guan Liang 22 and rearmounted Z-type；
Step 6, demolition blasting：It is broken addition in agent supervisor 17, pre-buried pvc pipe 23 to be filled in vertical filling agent supervisor 16, level
Agent, carries out explosion treatment, reclaims cross stiffened panel 10 with holes.
Threaded level connection joint muscle 14 is welded as foundation pit reinforced concrete support cage bar, threaded water with cage bar 24 is supported
The center line of flushconnection muscle 14 supports 25 center lines consistent with Guan Liang 22, reinforced concrete.
Cross stiffened panel 10 with holes is welded by two pieces of 800mm × 800mm × 10mm steel plates, vertically outer row's through hole 11
A diameter of 28mm, vertically interior row's through hole 12, the diameter of horizontal through hole 13 are 18mm.
Pre-buried anchor cable fixing end 3 is pre-welded in diaphram wall cage bar 2, and anchor cable 5 is connected to pre-buried anchor cable fixing end 3
Above, one end multi-use mucilage of anchor cable protection pipe 4 connects pre-buried anchor cable fixing end 3 and colligation is fixed in diaphram wall cage bar
On 2, the other end mouth of pipe is clogged with stopple, prevents having concrete to enter in construction.
The outside of cross stiffened panel with holes 10 is surrounded by fiber cloth barrier film 15, dismantles after the completion of convenient construction；
It is vertical to fill agent 16 a diameter of 28mm of supervisor.
The horizontal ends of fagging 20 support 25 to be connected with reinforced concrete under rearmounted L-type, and vertical end passes through bolt with straight screw sleeve 6
7 are fastened on above diaphram wall 1.Fagging 20 adopts hot rolling equal angle steel specification for 30*30*3 under rearmounted L-type.Bolt 7
A diameter of 8mm.
Solid plate 21 is welded by the steel disc of 3 20 × 20 × 5mm on rearmounted Z-type, wherein in the middle of 2 steel discs in outside
There is the through hole of diameter 8mm.
The a diameter of 28mm of pre-buried pvc pipe 23, construction completes to add cracking agent when removing, convenient to remove.
The ground-connecting-wall of the present invention is gone along with sb. to guard him foundation pit reinforced concrete supporting construction and is arranged on reinforced concrete support with underground company
Between continuous wall, diaphram wall cage bar segment section is the reserved dowel of band mantle fiber, and straight screw sleeve, anchor cable fixing end are welded in advance
In diaphram wall cage bar, the reserved dowel of band mantle fiber, cross stiffened panel with holes, threaded level connection joint muscle greatly strengthen
The globality of reinforced concrete support.Solid plate, anchor cable considerably increase ground-connecting-wall and go along with sb. to guard him base on fagging, rearmounted Z-type under rearmounted L-type
Hole reinforced concrete support structure tension shear resistance, the present invention has easy fabrication and installation, shortening construction period, saves engineering
The advantages of investment, raising deep pit monitor, in underground, the field such as deep basal pit has preferable application prospect.
Description of the drawings
Fig. 1 is the structural representation that ground-connecting-wall of the present invention goes along with sb. to guard him foundation pit reinforced concrete supporting construction and its construction method；
Fig. 2 is straight screw sleeve schematic diagram；
Fig. 3 is bolt schematic diagram；
Fig. 4 is nut schematic diagram；
Fig. 5 is cross stiffened panel schematic diagram with holes；
Fig. 6 is anchorage schematic diagram；
Fig. 7 is fixture schematic diagram；
Fig. 8 is fagging schematic diagram under rearmounted L-type；
Fig. 9 is solid plate schematic diagram on rearmounted Z-type；
In figure：1-diaphram wall, 2-diaphram wall cage bar, 3-pre-buried anchor cable fixing end, 4-anchor cable protection pipe,
5-anchor cable, 6-straight screw sleeve, 7-bolt, 8-nut, the reserved dowel of 9-band mantle fiber, 10-cross stiffened panel with holes,
11-vertically outer row's through hole, 12-vertically in row's through hole, 13-horizontal through hole, 14-threaded level connection joint muscle,
15-fiber cloth barrier film, 16-it is vertical fill agent supervisor, 17-level fill agent supervisor, 18-anchorage, 19-fixture, 20-it is rearmounted
Solid plate, 22-Guan Liang, 23-pre-buried pvc pipe, 24-support cage bar, 25-reinforced concrete are propped up on fagging, 21-rearmounted Z-type under L-type
Support.
Specific embodiment
The specific embodiment of the present invention is elaborated below in conjunction with the accompanying drawings.
Fig. 1 is that ground-connecting-wall of the present invention goes along with sb. to guard him foundation pit reinforced concrete supporting construction and its construction method schematic diagram, and Fig. 2 is straight
Screw shell schematic diagram；Fig. 3 is bolt schematic diagram；Fig. 4 is nut schematic diagram；Fig. 5 is cross stiffened panel schematic diagram with holes；Fig. 6
It is anchorage schematic diagram；Fig. 7 is fixture schematic diagram；Fig. 8 is fagging schematic diagram under rearmounted L-type；Fig. 9 is that solid plate is illustrated on rearmounted Z-type
Figure.
Ground-connecting-wall as shown in Figure 1 goes along with sb. to guard him foundation pit reinforced concrete supporting construction, mainly includes diaphram wall 1, underground
Diaphragm wall cage bar 2, pre-buried anchor cable fixing end 3, anchor cable protection pipe 4, anchor cable 5, straight screw sleeve 6, the reserved dowel 9 of band mantle fiber,
Cross stiffened panel 10 with holes, threaded level connection joint muscle 14, fiber cloth barrier film 15, vertical filling agent supervisor 16, level fill agent master
Solid plate 21, pre-buried pvc pipe 23, support cage bar 24 and reinforced concrete support 25 on fagging 20, rearmounted Z-type under pipe 17, rearmounted L-type.
Cross stiffened panel 10 with holes is welded by two pieces of 800mm × 800mm × 10mm steel plates, which is provided with vertically outer row
Through hole 11, vertically interior row's through hole 12, horizontal through hole 13.Vertically outer to arrange a diameter of 28mm of through hole 11, vertically interior row is passed through
The perforation 12, diameter of horizontal through hole 13 is 18mm.
It is the segment section of diaphram wall cage bar 2 with the reserved dowel 9 of mantle fiber, passes through with the reserved dowel 9 of mantle fiber with holes
Vertical outer row's through hole 11 of cross stiffened panel 10 is simultaneously tight with the bolt of nut 8；Threaded level connection joint muscle 14 adds through cross with holes
The horizontal through hole 13 of gusset 10 is simultaneously tight with the bolt of nut 8；Pre-buried anchor cable fixing end 3 is pre-welded in diaphram wall cage bar 2,
The colligation of anchor cable protection pipe 4 is in diaphram wall cage bar 2；Straight screw sleeve 6 is pre-welded to diaphram wall cage bar 2 and band spiral shell
On line level connection joint muscle 14；The outside of cross stiffened panel with holes 10 is surrounded by fiber cloth barrier film 15.
The horizontal ends of fagging 20 support 25 to be connected with reinforced concrete under rearmounted L-type, and vertical end passes through bolt with straight screw sleeve 6
7 are fastened on above diaphram wall 1.The a diameter of 8mm of bolt 7.
Solid plate 21 is welded by the steel disc of 3 20 × 20 × 5mm on rearmounted Z-type, wherein in the middle of 2 steel discs in outside
It is provided with the through hole of diameter 8mm.
Agent supervisor 16 is vertically filled through the vertical interior row's through hole 12 of cross stiffened panel 10 with holes, level fills agent supervisor 17 and erects
It is socketed to agent supervisor 16 is filled, and colligation is on cross stiffened panel 10 with holes and threaded level connection joint muscle 14；The one end of anchor cable 5 is fixed
In pre-buried anchor cable fixing end 3, other end anchorage 18, fixture 19 are fixed in Guan Liang 22；Guan Liang 22, reinforced concrete supports 25 entirety
Pour；Support in 25 in reinforced concrete and be provided with pre-buried pvc pipe 23.
Above-mentioned ground-connecting-wall goes along with sb. to guard him the construction method of foundation pit reinforced concrete supporting construction, mainly includes the following steps that：
Step one, trenching construction, according to the wall thickness 800mm of diaphram wall 1, excavate respective thickness groove section.
Step 2, specific steel reinforcement cage is made, steel reinforcement cage should be according to underground continuous wall body design reinforcement and unit groove section
Divide to make.Pre-buried anchor cable fixing end 3 is pre-welded in diaphram wall cage bar 2, and the colligation of anchor cable protection pipe 4 connects in underground
Clog the mouth of pipe in continuous wall cage bar 2 and with stopple, straight screw sleeve 6 is pre-welded in diaphram wall cage bar 2, it is all vertically and horizontally
Reinforcing bar corresponding site spot welding, increases steel reinforcement cage integral rigidity.
Step 3, casting concrete form diaphram wall 1, and concreting adopts two catheter perfusions, pours beginning
After answer it is compact continuously carry out, forbid midway stop work.Conduit is lifted answers holding position placed in the middle, is accurately controlled to carry according to depth of tremie
Rise；Conduit sets jacket in aperture, then installs conduit and funnel, leakage test is first carried out before down tube, it is ensured that joint can
Lean on, conduit being sling in hole of vertically enter, position occupy diaphragm wall steel reinforcement cage Xi Jiajin centers, is first then lifted out conduit down to bottom hole, makes
Lower mouth has certain distance away from bottom hole, and conduit is suitable for reading to set funnel, and arranges reliable water proof facility in funnel base opening；
Step 4, after concrete reaches prescribed strength, cut the concrete of part diaphram wall 1, draw band mantle fiber pre-
Dowel 9 is stayed, and through vertical outer row's through hole 11 of cross stiffened panel 10 with holes, is fixed with nut 8, threaded level connection joint
Muscle 14 is fixed through horizontal through hole 13 on cross stiffened panel 10 with holes with nut 8, vertical to fill agent supervisor 16 through cross with holes
Vertical interior row's through hole 12 of stiffened panel 10 and colligation is on cross stiffened panel 10 with holes, level fills agent supervisor 17 and vertical fills agent
Supervisor 16 is socketed.
Step 5, one-piece casting Guan Liang 22, reinforced concrete support 25, and Guan Liang center line supports 25 center lines one with reinforced concrete
Cause.Pre-buried pvc pipe is positioned over into reinforced concrete before pouring to support in 25, convenient construction terminates rear break process, fagging under rearmounted L-type
20 vertical end is fastened on above diaphram wall 1 with straight screw sleeve 6 by bolt 7, and horizontal ends are supported with reinforced concrete
25 contacts, open anchor cable protection pipe 4, pull out the anchorage 18 of anchor cable 5, the fixation anchor cable of fixture 19 solid in Guan Liang 22 and rearmounted Z-type
On plate 21, non-bonding prestress tendon is formed.So entirely connect walled shield foundation pit reinforced concrete supporting construction just to set up
Come.
Step 6, demolition blasting, engineering fills agent supervisor 16, level filling agent supervisor 17, pre-buried pvc pipe 23 after terminating vertical
Interior addition cracking agent, carries out explosion treatment, reclaims cross stiffened panel 10 with holes.
Claims (8)
1. ground-connecting-wall goes along with sb. to guard him the construction method of foundation pit reinforced concrete supporting construction, it is characterised in that the ground-connecting-wall goes along with sb. to guard him base
Hole reinforced concrete support structure mainly includes diaphram wall (1), diaphram wall cage bar (2), pre-buried anchor cable fixing end
(3), anchor cable protection pipe (4), anchor cable (5), straight screw sleeve (6), band mantle fiber reserved dowel (9), cross stiffened panel with holes
(10), threaded level connection joint muscle (14), fiber cloth barrier film (15), it is vertical fill agent supervisor (16), level fill agent supervisor (17),
Solid plate (21), pre-buried pvc pipe (23), support cage bar (24) and reinforced concrete are supported on fagging (20), rearmounted Z-type under rearmounted L-type
(25)；The cross stiffened panel (10) with holes is provided with vertically outer row's through hole (11), vertical interior row's through hole (12), level and passes through
Perforation (13)；It is the segment section of diaphram wall cage bar (2) with the reserved dowel (9) of mantle fiber, wears with the reserved dowel (9) of mantle fiber
Cross vertical outer row's through hole (11) of cross stiffened panel (10) with holes and tight with nut (8) bolt；Threaded level connection joint muscle (14)
It is through the horizontal through hole (13) of cross stiffened panel (10) with holes and tight with nut (8) bolt；Pre-buried anchor cable fixing end (3) is welded in advance
It is connected in diaphram wall cage bar (2), (4) colligation of anchor cable protection pipe is in diaphram wall cage bar 2；Straight screw sleeve (6) is pre-
First it is welded in diaphram wall cage bar (2) and threaded level connection joint muscle (14)；Cross stiffened panel (10) outside with holes
It is surrounded by fiber cloth barrier film (15)；It is vertical to fill agent supervisor (16) through the vertical interior row's through hole of cross stiffened panel (10) with holes
(12), level fills agent supervisor (17) and fills agent supervisor (16) socket, and colligation in cross stiffened panel (10) with holes and band spiral shell with vertical
On line level connection joint muscle (14)；Anchor cable (5) one end is fixed on pre-buried anchor cable fixing end (3), other end anchorage (18), fixture
(19) it is fixed in Guan Liang (22)；The Guan Liang (22), reinforced concrete support (25) one-piece casting；Support in reinforced concrete and set in (25)
There is pre-buried pvc pipe (23)；
The construction method is mainly included the following steps that：
Step one, trenching construction：When the standard cell section of construction is using " three methods " milling slot, i.e. every width construction of diaphragm wall, first
Soil at both sides is grabbed, the Hou Zhua centers soil body is so excavated till design bottom land absolute altitude repeatedly；It is clear using displacement method during clear bottom
Bottom, crane suspention air lift enters groove；
Step 2, fabrication of reinforcing cage：Steel reinforcement cage should be made according to the division of underground continuous wall body design reinforcement and unit groove section
Make；Pre-buried anchor cable fixing end (3), straight screw sleeve (6) are pre-welded in diaphram wall cage bar (2), anchor cable protection pipe (4)
Colligation clogs the mouth of pipe in diaphram wall cage bar (2) and with stopple, and all vertically and horizontally reinforcing bar corresponding site spot welding increase reinforcing bar
Cage integral rigidity；
Step 3, casting concrete：Casting concrete forms diaphram wall (1)；
Step 4, cut part diaphram wall：After concrete reaches prescribed strength, cut part diaphram wall (1) and mix
Solidifying soil, draws the reserved dowel (9) of band mantle fiber, and through vertical outer row's through hole (11) of cross stiffened panel (10) with holes, uses
Nut (8) is fixed, and threaded level connection joint muscle (14) uses nut through horizontal through hole (13) on cross stiffened panel (10) with holes
(8) it is fixed, it is vertical fill agent supervisor (16) through cross stiffened panel (10) with holes vertical interior row's through hole (12) and colligation in band
On hole cross stiffened panel (10), level fills agent supervisor (17) and vertical filling agent supervisor (16) socket；
Step 5, pour Guan Liang, reinforced concrete support：Pre-buried pvc pipe is positioned over into reinforced concrete before pouring to support in (25)；
Mould, pours Guan Liang (22) and reinforced concrete supports (25)；The vertical end of fagging (20) passes through with straight screw sleeve (6) under rearmounted L-type
Bolt (7) is fastened on diaphram wall (1) above, and horizontal ends support (25) to contact with reinforced concrete；Open anchor cable protection pipe
(4), pull-out anchor cable (5) anchorage (18), fixture (19) fix anchor cable (5) in Guan Liang (22) and rearmounted Z-type on solid plate (21),
Form non-bonding prestress tendon；
Step 6, demolition blasting：Addition is broken in vertical filling agent supervisor (16), level filling agent supervisor (17), pre-buried pvc pipe (23)
Broken dose, explosion treatment is carried out, reclaim cross stiffened panel (10) with holes.
2. ground-connecting-wall according to claim 1 goes along with sb. to guard him foundation pit reinforced concrete supporting construction, it is characterised in that band mantle fiber is pre-
Dowel (9) is stayed to be provided with screw thread.
3. ground-connecting-wall according to claim 1 goes along with sb. to guard him foundation pit reinforced concrete supporting construction, it is characterised in that threaded water
Flushconnection muscle (14) supports cage bar with cage bar (24) welding is supported as foundation pit reinforced concrete.
4. ground-connecting-wall according to claim 1 goes along with sb. to guard him foundation pit reinforced concrete supporting construction, it is characterised in that cross with holes
Stiffened panel (10) is welded by two pieces of 800mm × 800mm × 10mm steel plates, vertically a diameter of 28mm of outer row's through hole (11),
Row's through hole (12), horizontal through hole (13) diameter are 18mm in vertically.
5. ground-connecting-wall according to claim 1 goes along with sb. to guard him foundation pit reinforced concrete supporting construction, it is characterised in that vertically fill agent
The a diameter of 28mm of supervisor (16).
6. ground-connecting-wall according to claim 1 goes along with sb. to guard him foundation pit reinforced concrete supporting construction, it is characterised in that under rearmounted L-type
The horizontal ends of fagging (20) support (25) to be connected with reinforced concrete, and vertical end is connected with straight screw sleeve (6) by bolt (7)
In diaphram wall (1) above.
7. ground-connecting-wall according to claim 6 goes along with sb. to guard him foundation pit reinforced concrete supporting construction, it is characterised in that bolt (7) is straight
Footpath is 8mm.
8. ground-connecting-wall according to claim 1 goes along with sb. to guard him foundation pit reinforced concrete supporting construction and its construction method, its feature
It is that solid plate (21) is welded by the steel disc of 3 20 × 20 × 5mm on rearmounted Z-type, wherein setting in the middle of 2 steel discs in outside
There is the through hole of diameter 8mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183282.9A CN106638618B (en) | 2016-12-20 | 2016-12-20 | Ground-connecting-wall goes along with sb. to guard him the construction method of foundation pit reinforced concrete support construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183282.9A CN106638618B (en) | 2016-12-20 | 2016-12-20 | Ground-connecting-wall goes along with sb. to guard him the construction method of foundation pit reinforced concrete support construction |
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| Publication Number | Publication Date |
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| CN106638618A true CN106638618A (en) | 2017-05-10 |
| CN106638618B CN106638618B (en) | 2018-10-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847154A (en) * | 2019-11-21 | 2020-02-28 | 上海市基础工程集团有限公司 | Underground continuous wall reinforcement cage anchor bar and setting method |
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| CN105696602A (en) * | 2016-03-17 | 2016-06-22 | 中南勘察设计院（湖北）有限责任公司 | Composite pile-anchor supporting method and structure for deepening excavation |
| CN106223344A (en) * | 2016-07-26 | 2016-12-14 | 北京工业大学 | A kind of ground line piled anchor framework foundation pit supporting method |
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| CN110847154A (en) * | 2019-11-21 | 2020-02-28 | 上海市基础工程集团有限公司 | Underground continuous wall reinforcement cage anchor bar and setting method |
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Effective date of registration: 20181218 Address after: No. 930 Lingshi Road, Jing'an District, Shanghai 200072 Patentee after: Shanghai Geological Construction Co., Ltd. Address before: 310015 room 1901, unit 3, 3 Wanda Commercial Center, Gongshu District, Hangzhou, Zhejiang. Patentee before: Hangzhou Jiang Run Science and Technology Ltd. |