CN110029673A - Anchor cable drilling pilework and its enclosing method suitable for Extra-Deep Foundation Pit - Google Patents
Anchor cable drilling pilework and its enclosing method suitable for Extra-Deep Foundation Pit Download PDFInfo
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- CN110029673A CN110029673A CN201910302099.3A CN201910302099A CN110029673A CN 110029673 A CN110029673 A CN 110029673A CN 201910302099 A CN201910302099 A CN 201910302099A CN 110029673 A CN110029673 A CN 110029673A
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- anchor cable
- reinforced concrete
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- capping beam
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of anchor cable drilling pileworks and its enclosing method suitable for Extra-Deep Foundation Pit, affiliated foundation pit enclosure technical field, including the soil body, soil body periphery is equipped with concrete gully detention, including several outer pipe wells of concrete gully detention inner side edge, inside soil body is equipped with longitudinal reinforced concrete wall, interior pipe well is equipped between longitudinal reinforced concrete wall and outer pipe well, several three axes agitating piles are equipped between interior pipe well and longitudinal reinforced concrete wall, reinforced concrete support frame is equipped in longitudinal reinforced concrete wall, concrete layer is equipped between reinforced concrete support frame and longitudinal reinforced concrete wall, several anchor cable tensioning mechanisms are equipped between longitudinal reinforced concrete wall and outer pipe well, anchor cable tensioning mechanism is located among two adjacent interior pipe wells, gutter of laying bricks is equipped between interior pipe well and outer pipe well, it lays bricks and is equipped with cement surface between gutter and longitudinal reinforced concrete wall.Have the advantages that sound construction, stable connection, saving material, security and stability are strong and service life is long.
Description
Technical field
The present invention relates to foundation pit enclosure technical fields, and in particular to a kind of anchor cable drilled pile knot suitable for Extra-Deep Foundation Pit
Structure and its enclosing method.
Background technique
Foundation pit enclosure is exactly to develop and use the underground space, and construction multi-storey basement, underground railway, subterranean commercial area etc. are various
The method of hypogee.There are gravity type mixing pile barricade, diaphram wall, stake column barricade etc..In the city that building is dense
Downtown, the excavation of deep basal pit become an important topic of geotechnical engineering.Foundation pit system is a soil body, supporting knot
The mutually coefficient organism of structure, due to the restriction of the factors such as Adjacent Buildings and underground piping, to the safety of supporting construction
Property has higher requirement.Not only can guarantee foundation pit stability and cheat in operation conveniently, safely, but also to make cheat bottom and
Land movement control outside hole is in a certain range, it is ensured that close to buildings and urban operating mechanism normal use.
Since rich groundwater makes foundation pit construction difficulty big, and a variety of underground structures and structures to disturbance extremely
It is sensitive.It is in irregular shape to exist simultaneously foundation pit, tradition is gone along with sb. to guard him construction method and cannot be met the requirements.And city construction activity
The influence of the livelihood issues bring such as traffic, environment can not be ignored, the shorter the completion time of project the better.But in large-scale building site project,
The phenomenon that effect of foundation pit enclosure is simultaneously bad, settles there are road surface subsidence and soil erosion, seriously affects the life of surrounding resident
Quality exists simultaneously the security risk of road surface depression.
Summary of the invention
Present invention mainly solves big land movement sinking numerical value, road surface subsidence and ponding landslide exists in the prior art not
Foot provides a kind of anchor cable drilling pilework and its enclosing method suitable for Extra-Deep Foundation Pit, and it is suitable for Extra-Deep Foundation Pits
Anchor cable drill pilework, with sound construction, stable connection, save that material, security and stability are strong and that service life is long is excellent
Point.Its enclosing method solves the problems, such as road surface subsidence and soil erosion sedimentation.The security and stability for improving surrounding road, keeps away
Exempting from land subsidence influences the quality of the life of surrounding resident.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals:
A kind of anchor cable drilling pilework suitable for Extra-Deep Foundation Pit, including the soil body, the soil body periphery, which is equipped with the soil body, is in
Integrated concrete gully detention is equipped with several be nested with the soil body and in back-shaped structure distribution including concrete gully detention inner side edge
Outer pipe well, the inside soil body are equipped in back-shaped structure distribution and are affixed with the soil body longitudinal reinforced concrete wall of box-like intercalation,
The interior pipe well for being nested with the soil body and be in back-shaped structure distribution is equipped between the longitudinal reinforced concrete wall and outer pipe well, it is described
Several three axes agitating piles to fit with longitudinal reinforced concrete wall, the vertical muscle are equipped between interior pipe well and longitudinal reinforced concrete wall
Reinforced concrete support frame is equipped in concrete walls body, between the reinforced concrete support frame and longitudinal reinforced concrete wall
Several limits that socket-connect with longitudinal reinforced concrete wall are equipped with equipped with concrete layer, between the longitudinal reinforced concrete wall and outer pipe well
Fixed anchor cable tensioning mechanism, the anchor cable tensioning mechanism are located among two adjacent interior pipe wells, the interior pipe well and outer
The gutter of laying bricks being nested with soil body annular is equipped between pipe well, described laying bricks is equipped between gutter and longitudinal reinforced concrete wall
It is in the cement surface of integrated fitting with soil body upper surface.
Preferably, the anchor cable tensioning mechanism includes fixed sleeving, it is equipped between the fixed sleeving and the soil body mixed
Solidifying earth pillar, the interior steel strand wires for being equipped with the limit fastening that socket-connects with longitudinal reinforced concrete wall of the fixed sleeving, the steel twist
Line is equipped with the anchor cable position-limiting tube with the limit socket of fixed sleeving phase snap ring-type with fixed sleeving front end, and the steel strand wires tail end is set
Have the driving motor fixed with longitudinal reinforced concrete wall phase flanged joint, be equipped between the driving motor and anchor cable position-limiting tube with
The cutting driving tube that steel strand wires socket-connect, the cutting driving tube are equipped with and the mutually movable set of steel strand wires between anchor cable position-limiting tube
The steel strand wires cutting assembly connect.
Preferably, the steel strand wires cutting assembly includes with cutting driving tube in integrated cutting tube body, it is described
Cutting tube body be equipped with a pair of symmetrical distribution and limit roller, institute with mutually the slot anchor cable of cellular type pivot bush unit of cutting tube body
The roller pin shaft to socket-connect with anchor cable limit roller, the roller pin shaft are equipped between the anchor cable limit roller stated and cutting tube body
Tube body is mutually integrated is welded and fixed with cutting, is equipped with above the anchor cable limit roller integrated with cutting tube body phase card slot type
The cutting support being welded and fixed, the cutting support is interior to be equipped with the cutting telescoping tube nested with cutting support phase shift formula, institute
The cutting telescoping tube lower end stated is equipped with stretches with the mutually movable cutter plate touched of steel strand wires, the cutter plate and cutting
It is equipped with the fixed pin shaft of nesting mutually integrated with cutter plate between pipe, is equipped with spring between the fixed pin shaft and cutting tube body,
It is equipped with and the perpendicular guide post being welded and fixed of fixed pin shaft in the spring.
Preferably, being equipped with and longitudinal reinforced concrete wall between the anchor cable tensioning mechanism and longitudinal reinforced concrete wall upper end
The capping beam being welded and fixed in integral type is equipped with and vertical muscle between the anchor cable tensioning mechanism and longitudinal reinforced concrete wall inner sidewall
Concrete wall is in the quarter pillar that is welded and fixed of integral type, between the quarter pillar and steel strand wires, between capping beam and steel strand wires
Equipped with guide sleeve, it is equipped between the guide sleeve and curb girder intercolumniation, guide sleeve and capping beam and is nested with steel strand wires
Anchorage block, the anchorage block end face is equipped with the locking anchor button that is socketed with steel strand wires phase buckle-type, the locking anchor button
The anchor plate to socket-connect with steel strand wires is equipped between anchorage block.
Preferably, the capping beam includes the capping beam pipe with longitudinal reinforced concrete wall in integrated welding, it is described
Capping beam inside pipe wall be equipped with several stiffeners I to fit with capping beam pipe, be equipped in the capping beam pipe several perpendicular
Gusset is equipped with several transverse bar plates, the capping beam pipe between the vertical bar plate and capping beam pipe, between two adjacent pressure vertical bar plates
It is inside and outside to be equipped with capping beam pipe in integrated capping beam concrete layer.
Preferably, the quarter pillar includes the curb girder outer tube with longitudinal reinforced concrete wall side wall in integrated welding,
The curb girder outer tube wall is equipped with several stiffeners II to fit with curb girder outer tube, if being equipped in the curb girder outer tube
Dry bearing rib is equipped with inside and outside the curb girder outer tube with curb girder outer tube in integrated curb girder concrete layer.
Preferably, the enclosing method of the anchor cable drilling pilework suitable for Extra-Deep Foundation Pit includes following operation
Step:
Step 1: first in the ditching of soil body periphery and casting concrete gully detention developed in advance, so that the soil body avoids during piling
Soil body peripheral ground is sunk；Then it is beaten around the soil body that pre- exploitation is excavated in the back-shaped three axis stirring around formula distribution
Stake, the pouring reinforcement concrete in three axes agitating pile.
Step 2: after completing the duration of concrete gully detention and three axes agitating pile, in concrete gully detention and three axes agitating pile
Between first beat in the back-shaped outer pipe well around formula distribution, prevent from occurring in mining process end face caused by underground water is lost and sink.It is complete
After outer tube well operations, back-shaped hole is dug along three axes agitating pile inner wall, then completes longitudinal reinforced concrete wall and three axes agitating pile
Integrated casting process, then the pouring reinforcement concrete braced frame in back-shaped hole, builds reinforced concrete support frame and indulges
Casting concrete layer between reinforced concrete wall.
Step 3: pouring anchor for installing at this point, beat several anchor cable drilled piles between longitudinal reinforced concrete wall and outer pipe well
Rope tensioning mechanism, anchor cable tensioning mechanism are in 12~18 degree of inclinations angle.It beats between outer pipe well and three axes agitating pile and is enclosed in back-shaped simultaneously
The interior pipe well of wound distribution, interior pipe well extend the soil body upper surface when pouring.
Step 4: then being poured between anchor cable tensioning mechanism tail end and longitudinal reinforced concrete wall upper end and longitudinal reinforced concrete wall
Body is in integrated capping beam, and anchor cable tensioning mechanism extends capping beam outer end face.It is mixed in anchor cable tensioning mechanism tail end and vertical muscle
It is poured between solidifying cob wall body sidewall with longitudinal reinforced concrete wall in integrated quarter pillar, anchor cable tensioning mechanism extends outside quarter pillar
End face.
Step 5: finally grooving and being laid with is laid bricks gutter between outer pipe well and interior pipe well, while lay bricks gutter and pressure
It completes between top beam to soil body surface joints cement slope surface.It realizes the smooth no ponding landslide phenomenon of draining, ensure that the stabilization of the soil body
Property and cheat in operation conveniently, safely.
Preferably, anchor cable tensioning mechanism is snapped into using fixed sleeving and steel strand wires head by the limit of anchor cable position-limiting tube
Type realizes the tightening force of the locking KN of load 130KN~250.Fixed sleeving and the soil body use concrete column to pour fixation, and steel twists
The tail end of line is run through with capping beam, quarter pillar by guide sleeve socket respectively, extends 1~3 meter of length in reserve, while steel
Twisted wire is mutually fixed in guide sleeve rear end insertion anchorage block with capping beam, quarter pillar after tensing, and locks anchor button and anchor plate
Steel strand wires and anchorage block phase bayonet type are strained and fixed.
Preferably, after completing the duration, it, will be with steel strand wires by opening locking anchor button and anchor plate and taking out anchorage block
The cutting driving tube of cutting assembly is bonded along guide sleeve inner wall with steel strand wires tail end, cuts driving tube and driving motor phase at this time
Spline socket cuts driving tube rotation by driving motor drive, manages intracorporal anchor cable limit roller by cutting and positions to steel strand wires,
Cutter plate is to steel strand wires circumgyration incision.It drives cutting telescoping tube to carry out cutting displacement in cutting support using spring, realizes
Cutting work of the cutter plate to steel strand wires, reaches the value of recoverable.
Preferably, capping beam passes through vertical bar in capping beam pipe by welding several stiffeners I in capping beam inside pipe wall
The frame structure of plate and transverse bar plate increases support strength, pours capping beam concrete layer inside and outside last capping beam pipe, completes to bear down on one
Beam process.Quarter pillar passes through bearing rib in curb girder outer tube by welding several stiffeners II in curb girder outer tube wall
Frame structure increase support strength, curb girder concrete layer is poured inside and outside last curb girder outer tube, completes quarter pillar process.
The present invention can reach following effect:
The present invention provides a kind of anchor cable drilling pileworks and its enclosing method suitable for Extra-Deep Foundation Pit, with prior art phase
Compare, should have sound construction, stable connection, saving material, safety steady suitable for the anchor cable drilling pilework of Extra-Deep Foundation Pit
The long advantage of qualitative strong and service life.Its enclosing method solves the problems, such as road surface subsidence and soil erosion sedimentation.It improves
The security and stability of surrounding road avoids land subsidence from influencing the quality of the life of surrounding resident.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structure sectional view of anchor cable tensioning mechanism of the invention.
Fig. 3 is the structural schematic diagram of steel strand wires cutting assembly of the invention.
Fig. 4 is that steel strand wires and capping beam of the invention are connected and fixed structural schematic diagram.
Fig. 5 is that steel strand wires and quarter pillar of the invention are connected and fixed structural schematic diagram.
Fig. 6 is the structure sectional view of capping beam of the invention.
Fig. 7 is the structure sectional view of quarter pillar of the invention.
In figure: concrete gully detention 1, the soil body 2, outer pipe well 3, anchor cable tensioning mechanism 4, gutter 5 of laying bricks, interior pipe well 6, cement
Slope surface 7, capping beam 8, reinforced concrete support frame 9, quarter pillar 10, concrete layer 11, longitudinal reinforced concrete wall 12, three axis stir
Mix stake 13, concrete column 14, fixed sleeving 15, anchor cable position-limiting tube 16, steel strand wires cutting assembly 17, cutting driving tube 18, steel strand
Line 19, driving motor 20 cut tube body 21, and cutting support 22 cuts telescoping tube 23, guide post 24, spring 25, cutter plate
26, fixed pin shaft 27, anchor cable limits roller 28, roller pin shaft 29, guide sleeve 30, anchorage block 31, anchor plate 32, locking anchor button
33, capping beam pipe 34, stiffener I 35, vertical bar plate 36, transverse bar plate 37, capping beam concrete layer 38, curb girder outer tube 39, reinforcement
Reinforcing bar II 40, bearing rib 41, curb girder concrete layer 42.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solution to invention is described in further detail.
Embodiment: pilework, including the soil body 2 as shown in Figure 1, a kind of anchor cable suitable for Extra-Deep Foundation Pit drills, the soil body 2
It is in integrated concrete gully detention 1 that periphery, which is equipped with the soil body 2, including 1 inner side edge of concrete gully detention is equipped with 180 and 2 phase of the soil body
Outer pipe well 3 that is nested and being in back-shaped structure distribution is equipped in back-shaped structure distribution and is affixed with the soil body 2 box-like embedding inside the soil body 2
Slotting longitudinal reinforced concrete wall 12 is equipped between longitudinal reinforced concrete wall 12 and outer pipe well 3 and is nested with the soil body 2 and in back-shaped structure
The interior pipe well 6 of distribution fits equipped with 360 with longitudinal reinforced concrete wall 12 between interior pipe well 6 and longitudinal reinforced concrete wall 12
Three axes agitating pile 13, is equipped with reinforced concrete support frame 9 in longitudinal reinforced concrete wall 12, reinforced concrete support frame 9 with
It is equipped with concrete layer 11 between longitudinal reinforced concrete wall 12,2 layers 180 are equipped between longitudinal reinforced concrete wall 12 and outer pipe well 3 and indulges
Reinforced concrete wall 12, which socket-connects, limits fixed anchor cable tensioning mechanism 4, and anchor cable tensioning mechanism 4 is located at two adjacent interior pipe wells 6
Centre is equipped with the gutter 5 of laying bricks being nested with 2 annular of the soil body between interior pipe well 6 and outer pipe well 3, gutter 5 of laying bricks is mixed with vertical muscle
The cement surface 7 with 2 upper surface of the soil body in integrated fitting is equipped between solidifying cob wall body 12.
As shown in Figures 2 and 3, anchor cable tensioning mechanism 4 includes fixed sleeving 15, is equipped between fixed sleeving 15 and the soil body 2 mixed
Solidifying earth pillar 14, the interior steel strand wires 19 for being equipped with the limit fastening that socket-connects with longitudinal reinforced concrete wall 12 of fixed sleeving 15, steel strand wires 19
It is equipped with the anchor cable position-limiting tube 16 with the limit socket of 15 phase snap ring-type of fixed sleeving with 15 front end of fixed sleeving, 19 tail end of steel strand wires is set
There is the driving motor 20 fixed with 12 phase flanged joint of longitudinal reinforced concrete wall, is equipped between driving motor 20 and anchor cable position-limiting tube 16
The cutting driving tube 18 to socket-connect with steel strand wires 19, cutting driving tube 18 be equipped between anchor cable position-limiting tube 16 and 19 phase of steel strand wires is living
The steel strand wires cutting assembly 17 of dynamic formula socket.Steel strand wires cutting assembly 17 includes managing with cutting driving tube 18 in integrated cutting
Body 21, cutting tube body 21 are equipped with a pair of symmetrical distribution and limit with the anchor cable of cutting 21 phase of tube body fluting cellular type pivot bush unit
Roller 28 is equipped with the roller pin shaft 29 to socket-connect with anchor cable limit roller 28, rolling between anchor cable limit roller 28 and cutting tube body 21
Tube body 21 is mutually integrated is welded and fixed with cutting for axis pin of column 29, and anchor cable limits to be equipped with and cutting 21 phase card slot of tube body above roller 28
The cutting support 22 that formula integration is welded and fixed, cutting support 22 is interior to be stretched equipped with the cutting nested with 22 phase shift formula of cutting support
The draw 23, cutting 23 lower end of telescoping tube be equipped with the mutually movable cutter plate 26 touched of steel strand wires 19, cutter plate 26 with cut
Cut be equipped between telescoping tube 23 with the fixed pin shaft 27 of the mutually integrated nesting of cutter plate 26, fixed pin shaft 27 and cut between tube body 21
Equipped with spring 25, it is equipped with and the perpendicular guide post 24 being welded and fixed of fixed pin shaft 27 in spring 25.
As shown in Figure 4 and Figure 5, it is equipped between 12 upper end of anchor cable tensioning mechanism 4 and longitudinal reinforced concrete wall and longitudinal reinforced concrete
Wall 12 is in the capping beam 8 that is welded and fixed of integral type, be equipped between 12 inner sidewall of anchor cable tensioning mechanism 4 and longitudinal reinforced concrete wall with
Longitudinal reinforced concrete wall 12 is in the quarter pillar 10 that is welded and fixed of integral type, and between quarter pillar 10 and steel strand wires 19, capping beam 8 and steel twist
It is equipped with guide sleeve 30 between line 19, is equipped between guide sleeve 30 and quarter pillar 10, between guide sleeve 30 and capping beam 8 and steel
The anchorage block 31 that twisted wire 19 is nested, 31 end face of anchorage block are equipped with the locking anchor button 33 being socketed with 19 phase buckle-type of steel strand wires,
The anchor plate 32 to socket-connect with steel strand wires 19 is equipped between locking anchor button 33 and anchorage block 31.
As shown in fig. 6, capping beam 8 includes the capping beam pipe 34 with longitudinal reinforced concrete wall 12 in integrated welding, bear down on one
34 inner wall of beam pipe is equipped with 23 stiffeners I 35 to fit with capping beam pipe 34, is equipped with 2 blocks of vertical bar plates in capping beam pipe 34
36,2 blocks of transverse bar plates 37, capping beam pipe are equipped between 34 liang of inner walls of vertical bar plate 36 and capping beam pipe, between two adjacent pressure vertical bar plates 36
It is equipped with inside and outside 34 with capping beam pipe 34 in integrated capping beam concrete layer 38.
As shown in fig. 7, quarter pillar 10 includes the curb girder outer tube 39 with 12 side wall of longitudinal reinforced concrete wall in integrated welding,
39 inner wall of curb girder outer tube is equipped with 11 stiffeners II 40 to fit with curb girder outer tube 39, is equipped in the curb girder outer tube 39
2 pieces of bearing ribs 41 are equipped with inside and outside curb girder outer tube 39 with curb girder outer tube 39 in integrated curb girder concrete layer 42.
The enclosing method of anchor cable drilling pilework suitable for Extra-Deep Foundation Pit includes following operating procedure:
Step 1: first in the peripheral ditching of the soil body 2 developed in advance and casting concrete gully detention 1, so that the soil body 2 is kept away during piling
Exempt from 2 peripheral ground of the soil body to sink；Then it beats around the soil body 2 that pre- exploitation is excavated and is stirred in back-shaped three axis around formula distribution
Stake 13 is mixed, the pouring reinforcement concrete in three axes agitating pile 13.
Step 2: being stirred after completing the duration of concrete gully detention 1 and three axes agitating pile 13 in concrete gully detention 1 and three axis
It mixes and first beats between stake 13 in the back-shaped outer pipe well 3 around formula distribution, prevent occurring end face caused by underground water is lost in mining process
Sink.After completing outer 3 operation of pipe well, dig back-shaped hole along 13 inner wall of three axes agitating pile, then complete longitudinal reinforced concrete wall 12 and
The integrated casting process of three axes agitating pile 13, then the pouring reinforcement concrete braced frame 9 in back-shaped hole, builds reinforced concrete
Casting concrete layer 11 between native braced frame 9 and longitudinal reinforced concrete wall 12.
Step 3: making a call to 180 anchor cable drilled piles between longitudinal reinforced concrete wall 12 and outer pipe well 3 at this time, poured for installing
Anchor cable tensioning mechanism 4 is built, anchor cable tensioning mechanism 4 is in 15 degree of inclinations angle.Anchor cable tensioning mechanism 4 uses fixed sleeving 15 and steel strand wires
19 heads snap molding by the limit of anchor cable position-limiting tube 16, realize that the tightening force of locking load 130KN, steel strand wires 19 are selected straight
Diameter is 15.2.Fixed sleeving 15 and the soil body 2 pour fixation using concrete column 14, the tail end of steel strand wires 19 respectively with capping beam 8,
Quarter pillar 10 is run through by the socket of guide sleeve 30, extends 2 meters of length in reserve, while in guide sleeve after the tension of steel strand wires 19
30 rear end of pipe insertion anchorage block 31 is fixed with capping beam 8,10 phase of quarter pillar, locks anchor button 33 and anchor plate 32 for steel strand wires
19 are strained and fixed with 31 phase bayonet type of anchorage block.It beats between outer pipe well 3 and three axes agitating pile 13 and is distributed in back-shaped around formula simultaneously
Interior pipe well 6, interior pipe well 6 extends 2 upper surface of the soil body when pouring.
Step 4: then being poured between 12 upper end of 4 tail end of anchor cable tensioning mechanism and longitudinal reinforced concrete wall and vertical muscle coagulation
Cob wall body 12 is in integrated capping beam 8, and anchor cable tensioning mechanism 4 extends 8 outer end face of capping beam.Capping beam 8 is by bearing down on one
34 inner wall of beam pipe welds 23 stiffeners I 35, is increased in capping beam pipe 34 by the frame structure of vertical bar plate 36 and transverse bar plate 37
Add support strength, capping beam concrete layer 38 is poured inside and outside last capping beam pipe 34, completes 8 process of capping beam.In anchor cable
It is poured between 12 side wall of 4 tail end of tensioning mechanism and longitudinal reinforced concrete wall with longitudinal reinforced concrete wall 12 in integrated quarter pillar
10, anchor cable tensioning mechanism 4 extends 10 outer end face of quarter pillar.Quarter pillar 10 is by welding 11 reinforcements in 39 inner wall of curb girder outer tube
Reinforcing bar II 40 increases support strength by the frame structure of bearing rib 41 in curb girder outer tube 39, inside and outside last curb girder outer tube 39
Curb girder concrete layer 42 is poured, 10 process of quarter pillar is completed.
Step 5: finally grooving and being laid with is laid bricks gutter 5, while gutter 5 of laying bricks between outer pipe well 3 and interior pipe well 6
It completes between capping beam 8 to 2 surface joints cement slope surface 7 of the soil body.It realizes the smooth no ponding landslide phenomenon of draining, ensure that the soil body
The interior operation of 2 stability and hole is conveniently, safely.
After completing the duration, by opening locking anchor button 33 and anchor plate 32 and taking out anchorage block 31, it will be cut with steel strand wires
The cutting driving tube 18 for cutting component 17 is bonded along 30 inner wall of guide sleeve with 19 tail end of steel strand wires, is cut driving tube 18 at this time and is driven
Dynamic 20 phase spline of motor socket, cuts driving tube 18 by the drive of driving motor 20 and rotates, limited by the anchor cable in cutting tube body 21
Roller 28 positions steel strand wires 19, and cutter plate 26 is to 19 circumgyration incision of steel strand wires；Cutting telescoping tube 23 is driven using spring 25
Cutting displacement is carried out in cutting support 22, is realized cutting work of the cutter plate 26 to steel strand wires 19, is reached recoverable
Value.
In conclusion the pilework that should drill suitable for the anchor cable of Extra-Deep Foundation Pit, has sound construction, stable connection, section
The advantage that about material, security and stability are strong and service life is long.Its enclosing method solves road surface subsidence and soil erosion sedimentation
The problem of.The security and stability for improving surrounding road avoids land subsidence from influencing the quality of the life of surrounding resident.
Above is only a specific embodiment of the present invention, but structure feature of the invention is not limited thereto, Ren Heben
Within the field of the present invention, made changes or modifications all cover within the scope of the patent of the present invention the technical staff in field.
Claims (10)
- The pilework 1. a kind of anchor cable suitable for Extra-Deep Foundation Pit drills, it is characterised in that: including the soil body (2), the soil body (2) periphery be equipped with the soil body (2) be in integrated concrete gully detention (1), including concrete gully detention (1) inner side edge be equipped with it is several with The soil body (2) is nested and is in the outer pipe well (3) of back-shaped structure distribution, and being equipped with inside the soil body (2) is in back-shaped structure distribution And the longitudinal reinforced concrete wall (12) of box-like intercalation is affixed with the soil body (2), the longitudinal reinforced concrete wall (12) and outer pipe well (3) the interior pipe well (6) for being nested with the soil body (2) and be in back-shaped structure distribution, the interior pipe well (6) and vertical muscle coagulation are equipped between Several three axes agitating piles (13) to fit with longitudinal reinforced concrete wall (12), the vertical muscle coagulation are equipped between cob wall body (12) Reinforced concrete support frame (9), the reinforced concrete support frame (9) and longitudinal reinforced concrete are equipped in cob wall body (12) Between wall (12) be equipped with concrete layer (11), between the longitudinal reinforced concrete wall (12) and outer pipe well (3) equipped with it is several with it is vertical Reinforced concrete wall (12), which socket-connects, limits fixed anchor cable tensioning mechanism (4), and the anchor cable tensioning mechanism (4) is located at two-phase Adjacent interior pipe well (6) is intermediate, and the row of laying bricks being nested with the soil body (2) annular is equipped between the interior pipe well (6) and outer pipe well (3) Ditch (5), the gutter of laying bricks (5) are equipped with the soil body (2) upper surface between longitudinal reinforced concrete wall (12) in integrated The cement surface (7) of fitting.
- The pilework 2. anchor cable according to claim 1 suitable for Extra-Deep Foundation Pit drills, it is characterised in that: the anchor Rope tensioning mechanism (4) includes fixed sleeving (15), is equipped with concrete column (14) between the fixed sleeving (15) and the soil body (2), The steel strand wires (19) for the limit fastening that socket-connects with longitudinal reinforced concrete wall (12) are equipped in the fixed sleeving (15), it is described Steel strand wires (19) are equipped with the anchor cable position-limiting tube with the limit socket of fixed sleeving (15) phase snap ring-type with fixed sleeving (15) front end (16), the steel strand wires (19) tail end is equipped with the driving motor fixed with longitudinal reinforced concrete wall (12) phase flanged joint (20), the cutting driving tube to socket-connect with steel strand wires (19) is equipped between the driving motor (20) and anchor cable position-limiting tube (16) (18), the cutting driving tube (18) between anchor cable position-limiting tube (16) be equipped with and steel strand wires (19) mutually movable socket steel strand Wire cutting component (17).
- The pilework 3. anchor cable according to claim 2 suitable for Extra-Deep Foundation Pit drills, it is characterised in that: the steel Twisted wire cutting assembly (17) includes with cutting driving tube (18) in integrated cutting tube body (21), the cutting tube body (21) It is equipped with a pair of symmetrical distribution and the anchor cable for cellular type pivot bush unit of mutually slotting with cutting tube body (21) limits roller (28), it is described Anchor cable limit roller (28) and cut to be equipped between tube body (21) and limit roller (28) roller pin shaft (29) for socket-connecting with anchor cable, Tube body (21) are mutually integrated is welded and fixed with cutting for the roller pin shaft (29), set above anchor cable limit roller (28) There is the cutting support (22) being welded and fixed integrated with cutting tube body (21) phase card slot type, is equipped in the cutting support (22) The cutting telescoping tube (23) nested with cutting support (22) phase shift formula, cutting telescoping tube (23) lower end is equipped with to be twisted with steel Line (19) the mutually movable cutter plate (26) touched is equipped with and is cut between the cutter plate (26) and cutting telescoping tube (23) The nested fixed pin shaft (27) of disc cutterbar (26) phase integration, is equipped with bullet between the fixed pin shaft (27) and cutting tube body (21) Spring (25), is equipped in the spring (25) and the perpendicular guide post (24) being welded and fixed of fixed pin shaft (27).
- The pilework 4. anchor cable according to claim 2 suitable for Extra-Deep Foundation Pit drills, it is characterised in that: the anchor It is equipped between rope tensioning mechanism (4) and longitudinal reinforced concrete wall (12) upper end solid in integral type welding with longitudinal reinforced concrete wall (12) Fixed capping beam (8) is equipped with and vertical muscle coagulation between the anchor cable tensioning mechanism (4) and longitudinal reinforced concrete wall (12) inner sidewall Cob wall body (12) is in the quarter pillar (10) that is welded and fixed of integral type, between the quarter pillar (10) and steel strand wires (19), capping beam (8) it is equipped between steel strand wires (19) guide sleeve (30), between the guide sleeve (30) and quarter pillar (10), guide sleeve (30) the anchorage block (31) being nested with steel strand wires (19) is equipped between capping beam (8), on described anchorage block (31) end face Equipped with the locking anchor button (33) being socketed with steel strand wires (19) phase buckle-type, set between the locking anchor button (33) and anchorage block (31) There is the anchor plate (32) to socket-connect with steel strand wires (19).
- The pilework 5. anchor cable according to claim 4 suitable for Extra-Deep Foundation Pit drills, it is characterised in that: the pressure Top beam (8) includes the capping beam pipe (34) with longitudinal reinforced concrete wall (12) in integrated welding, the capping beam pipe (34) Inner wall is equipped with several stiffeners I (35) to fit with capping beam pipe (34), is equipped in the capping beam pipe (34) several Vertical bar plate (36) is equipped with several cross between the vertical bar plate (36) and capping beam pipe (34), between two adjacent pressure vertical bar plates (36) Gusset (37), the capping beam pipe (34) is inside and outside to be equipped with capping beam pipe (34) in integrated capping beam concrete layer (38).
- The pilework 6. anchor cable according to claim 4 suitable for Extra-Deep Foundation Pit drills, it is characterised in that: the side Beam column (10) includes the curb girder outer tube (39) with longitudinal reinforced concrete wall (12) side wall in integrated welding, the curb girder outer tube (39) inner wall is equipped with several stiffeners II (40) to fit with curb girder outer tube (39), is equipped in the curb girder outer tube (39) Several bearing ribs (41), the curb girder outer tube (39) is inside and outside to be equipped with curb girder outer tube (39) in integrated curb girder coagulation Soil layer (42).
- The pilework 7. anchor cable according to claim 1 suitable for Extra-Deep Foundation Pit drills, it is characterised in that: described is suitable The enclosing method of anchor cable drilling pilework for Extra-Deep Foundation Pit includes following operating procedure:Step 1: first in the peripheral ditching of the soil body (2) developed in advance and casting concrete gully detention (1), so that the soil body (2) was being driven piles The soil body (2) peripheral ground is avoided to sink in journey；Then it makes around the soil body (2) that pre- exploitation is excavated in back-shaped around formula score The three axes agitating pile (13) of cloth, in three axes agitating pile (13) interior pouring reinforcement concrete；Step 2: after completing the duration of concrete gully detention (1) and three axes agitating pile (13), in concrete gully detention (1) and three axis It is first beaten between mixing pile (13) in the back-shaped outer pipe well (3) around formula distribution, preventing from occurring in mining process underground water loss causes End face sink；After completing outer pipe well (3) operation, back-shaped hole is dug along three axes agitating pile (13) inner wall, then completes vertical muscle coagulation The integrated casting process of cob wall body (12) and three axes agitating pile (13), then the pouring reinforcement concrete support frame in back-shaped hole Frame (9) builds casting concrete layer (11) between reinforced concrete support frame (9) and longitudinal reinforced concrete wall (12)；Step 3: being poured for installing at this point, beat several anchor cable drilled piles between longitudinal reinforced concrete wall (12) and outer pipe well (3) It builds anchor cable tensioning mechanism (4), anchor cable tensioning mechanism (4) is in 12~18 degree of inclinations angle；Simultaneously in outer pipe well (3) and three axes agitating pile (13) it is beaten between in the back-shaped interior pipe well (6) around formula distribution, interior pipe well (6) extends the soil body (2) upper surface when pouring；Step 4: then being poured between anchor cable tensioning mechanism (4) tail end and longitudinal reinforced concrete wall (12) upper end and vertical muscle coagulation Cob wall body (12) is in integrated capping beam (8), and anchor cable tensioning mechanism (4) extends capping beam (8) outer end face；It is tensed in anchor cable It is poured between mechanism (4) tail end and longitudinal reinforced concrete wall (12) side wall with longitudinal reinforced concrete wall (12) in integrated quarter pillar (10), anchor cable tensioning mechanism (4) extends quarter pillar (10) outer end face；Step 5: finally grooving and being laid with is laid bricks gutter (5), while gutter of laying bricks between outer pipe well (3) and interior pipe well (6) (5) it completes between capping beam (8) to the soil body (2) surface joints cement slope surface (7).
- 8. the enclosing method of the anchor cable drilling pilework according to claim 7 suitable for Extra-Deep Foundation Pit, feature exist In: anchor cable tensioning mechanism (4) is snapped with steel strand wires (19) head by anchor cable position-limiting tube (16) limit using fixed sleeving (15) The tightening force of the locking KN of load 130KN~250 is realized in molding；Fixed sleeving (15) and the soil body (2) use concrete column (14) Fixation is poured, the tail end of steel strand wires (19) is run through with capping beam (8), quarter pillar (10) by guide sleeve (30) socket respectively, Extend 1~3 meter of length in reserve, at the same steel strand wires (19) tense after guide sleeve (30) rear end insertion anchorage block (31) with Capping beam (8), quarter pillar (10) are mutually fixed, and lock anchor button (33) and anchor plate (32) for steel strand wires (19) and anchorage block (31) phase bayonet type is strained and fixed.
- 9. the enclosing method of the anchor cable drilling pilework according to claim 8 suitable for Extra-Deep Foundation Pit, feature exist In: after completing the duration, by opening locking anchor button (33) and anchor plate (32) and taking out anchorage block (31), it will be cut with steel strand wires The cutting driving tube (18) for cutting component (17) is bonded along guide sleeve (30) inner wall with steel strand wires (19) tail end, at this time cutting driving It manages (18) to be socketed with driving motor (20) phase spline, is driven by driving motor (20) and cut driving tube (18) rotation, managed by cutting Anchor cable limit roller (28) in body (21) positions steel strand wires (19), and cutter plate (26) is to steel strand wires (19) circumgyration incision； Cutting telescoping tube (23) is driven to carry out cutting displacement in cutting support (22) using spring (25).
- 10. the enclosing method of the anchor cable drilling pilework according to claim 7 suitable for Extra-Deep Foundation Pit, feature exist In: capping beam (8) is passed through perpendicular by welding several stiffeners I (35) in capping beam pipe (34) inner wall in capping beam pipe (34) The frame structure of gusset (36) and transverse bar plate (37) increases support strength, and last capping beam pipe (34) is inside and outside to pour capping beam coagulation Soil layer (38) completes capping beam (8) process；Quarter pillar (10) is by welding several reinforcement steel in curb girder outer tube (39) inner wall Muscle II (40), the interior frame structure by bearing rib (41) of curb girder outer tube (39) increase support strength, last curb girder outer tube (39) inside and outside to pour curb girder concrete layer (42), complete quarter pillar (10) process.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113089685A (en) * | 2021-04-24 | 2021-07-09 | 博尔建设集团有限公司 | Anchor cable drilled pile structure for deep foundation pit support and support method thereof |
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| CN110029673B (en) | 2023-10-13 |
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