CN218563142U - Construction system for removing concrete plugging wall of ultra-deep foundation pit - Google Patents

Construction system for removing concrete plugging wall of ultra-deep foundation pit Download PDF

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Publication number
CN218563142U
CN218563142U CN202222874546.2U CN202222874546U CN218563142U CN 218563142 U CN218563142 U CN 218563142U CN 202222874546 U CN202222874546 U CN 202222874546U CN 218563142 U CN218563142 U CN 218563142U
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concrete
blocking wall
slag
wall
cutting
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吴高创
牛鹏德
张正
刘敬业
黄文华
杜晨阳
罗浩
吕隆浩
姚家铭
吴壹奇
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Zhejiang Communications Construction Group Co Ltd
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Zhejiang Communications Construction Group Co Ltd
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Abstract

The utility model relates to a construction system is demolishd to ultra-deep foundation ditch concrete shutoff wall, include: former hoist and mount ground structure, hoist and mount ground processing structure, concrete plugging wall cutting process effluent disposal structure, temporary access scaffold frame and cutting direction mount structure and concrete plugging wall cutting handling structure are waited to tear open in the ultra-deep foundation ditch. The utility model has the advantages that: the hoisting ground road and the guide wall are built into a whole through the double-layer reinforcing mesh and the concrete, and the temporary passage scaffold is provided with a safety guardrail; the cutting guide fixing frame is arranged, and the rope saw cutting machine can slide on the fixed movable track of the rope saw cutting machine, so that the efficiency is improved; the rope saw cutting machine is fixed through the fixing rod of the rope saw cutting machine, so that the safety is guaranteed; a waste water collecting tank which can guide and discharge waste water is arranged; the anti-slag-falling device is sleeved outside the cutting block of the blocking wall, so that the cutting block of the concrete blocking wall is prevented from falling slag.

Description

Ultra-deep foundation pit concrete plugging wall demolition construction system
Technical Field
The utility model relates to a foundation ditch engineering technical field especially includes an ultra-deep foundation ditch concrete shutoff wall demolishs construction system.
Background
The development and utilization of underground space are more and more extensive, so that a deep foundation pit needs to be excavated during construction. The southeast coastal area is limited by the condition of a soft soil foundation, and a foundation pit must be protected when a deep foundation pit is excavated.
The reinforced concrete enclosure structure has the characteristics of low manufacturing cost, convenience in construction, high structural rigidity, good integrity, flexible arrangement mode, suitability for foundation pits with different shapes, capability of avoiding foundation pit displacement caused by node looseness and safety, and is widely applied. Although the conventional foundation pit blocking wall cutting construction method is feasible at present, the conventional construction method has the defects of high construction dismantling noise, poor safety, low efficiency and the like, the foundation pit blocking wall enclosure structure is required to be dismantled after the basement bottom plate is poured, the foundation pit structure is stable and firm, and the foundation pit blocking wall enclosure structure capable of being safely and quickly dismantled plays a key role in later construction of projects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, providing an ultra-deep foundation ditch concrete shutoff wall demolishs construction system.
This kind of construction system is demolishd to ultra-deep foundation ditch concrete shutoff wall includes: the method comprises the following steps of firstly, constructing an original hoisting ground structure, a hoisting ground processing structure, a concrete blocking wall structure to be dismantled of an ultra-deep foundation pit, a waste water processing structure in the cutting process of the concrete blocking wall, a temporary passage scaffold, a cutting guide fixing frame structure and a concrete blocking wall cutting and hoisting structure;
slag and an original asphalt concrete pavement are sequentially arranged above the original ground in the original hoisting ground structure, and one side of the slag and the original asphalt concrete pavement is connected with an external guide wall; the height of an outer guide wall and slag in the ground hoisting treatment structure is equal, and a pre-buried PVC pipe, a pre-buried galvanized pipe and a double-layer reinforcing mesh are sequentially arranged above the slag and the outer guide wall; the ultra-deep foundation pit concrete blocking wall structure to be dismantled comprises a concrete blocking wall to be dismantled and a reinforced concrete lower panel, wherein the waste water treatment structure in the cutting process of the concrete blocking wall comprises a waste water collecting tank, and the waste water collecting tank is arranged on one side, connected with the concrete blocking wall to be dismantled, of the reinforced concrete lower panel;
the temporary channel scaffold and the cutting guide fixing frame structure are arranged on the reinforced concrete lower panel, a pedestrian channel framework is arranged at the top of the temporary channel scaffold and the cutting guide fixing frame structure, a pedestrian channel safety guardrail is arranged on the side surface of the pedestrian channel framework, a pedestrian channel bottom plate and a rope saw cutting machine fixed movable rail are arranged on the pedestrian channel framework, and the rope saw cutting machine fixed movable rail is connected with a plurality of rope saw cutting machines in a sliding mode; the rope saw cutting machine is provided with a fixing rod of the rope saw cutting machine;
the concrete blocking wall cutting and hoisting structure comprises a slag falling prevention device and a truck crane, wherein the slag falling prevention device is sleeved outside a blocking wall cutting block, an anti-skid base of the blocking wall cutting block and a bottom tray of the blocking wall cutting block are sequentially connected below the slag falling prevention device, and the bottom tray of the blocking wall cutting block is connected with the truck crane through a hoisting stay cable.
Preferably, the method comprises the following steps: one side of the outer guide wall, which is far away from the slag, is connected with an underground continuous wall; hoist and mount ground processing structure in the outer cladding of double-deck reinforcing bar net piece have the concrete, double-deck reinforcing bar net piece and concrete form the reinforced concrete pavement, pre-buried PVC pipe and pre-buried galvanized pipe extend to the escape canal from the reinforced concrete pavement surface of outer guide wall top, the reinforced concrete pavement side of slag top is located to the escape canal.
Preferably, the method comprises the following steps: the concrete plugging wall to be dismantled is provided with a concrete plugging wall partition line to be dismantled, the reinforced concrete lower panel is connected with the reinforced concrete upper panel through a reinforced concrete column, and post-cast strip steel bars are arranged between the reinforced concrete upper panel and the concrete plugging wall to be dismantled.
Preferably, the method comprises the following steps: temporary access scaffold frame and cutting direction mount structure bottom are the scaffold frame base, the scaffold frame base has the scaffold frame chassis, be connected with the scaffold frame montant on the scaffold frame base, the scaffold frame montant passes through scaffold frame connecting piece and scaffold frame horizontal pole, the scaffold frame quarter butt is connected fixedly, be equipped with on the scaffold frame montant at top and prop up the support spring, be equipped with on the scaffold frame top and prop up the support on the support spring, be equipped with the pedestrian passageway skeleton on the scaffold frame top support, pedestrian passageway skeleton bottom surface is equipped with the pedestrian passageway bottom plate, the pedestrian passageway skeleton is kept away from and is waited to tear open concrete shutoff wall one side and is equipped with pedestrian passageway safety barrier.
Preferably, the method comprises the following steps: the bottom tray of the blocking wall cutting block is symmetrically provided with lower hoisting grooves, the upper part of the blocking wall cutting block is provided with upper hoisting grooves, and the upper hoisting grooves correspond to the lower hoisting grooves; the hoisting inhaul cable sequentially penetrates through the hoisting lower groove, the hoisting upper groove and the hanging ring to be connected with a truck crane inhaul cable, and the truck crane inhaul cable is connected with a truck crane.
Preferably, the method comprises the following steps: the slag-dropping prevention base in the slag-dropping prevention device is arranged at the bottom of the cutting block of the plugging wall, the side surface of the slag-dropping prevention base is connected with a slag-dropping prevention elastic belt, the other end of the slag-dropping prevention elastic belt is connected with a slag-dropping prevention angle bead, and the slag-dropping prevention angle bead is arranged at the corner at the top of the cutting block of the plugging wall.
The utility model has the advantages that:
1) The utility model discloses a hoist and mount ground processing structure will hoist and mount ground road and build integratively with leading the wall through double-deck reinforcing bar net piece and concrete, has improved hoist and mount ground bearing capacity greatly, has effectively satisfied heavy vehicle's walking requirement.
2) The utility model discloses be equipped with safety barrier on interim passageway scaffold frame, effectively guaranteed construction operation personnel's safety.
3) The utility model is provided with a cutting guide fixing frame on the temporary channel scaffold, the rope saw cutting machine can slide on the fixed movable track of the rope saw cutting machine, and the efficiency is improved; and the rope saw cutting machine is fixed by the fixing rod of the rope saw cutting machine, so that the safety is effectively ensured.
4) The utility model discloses panel handing-over department sets up the wastewater collection groove under waiting to tear open concrete shutoff wall and reinforced concrete, can go out waste water through wastewater collection groove drainage guide, has effectively improved the operational environment of construction.
5) The utility model discloses a concrete blocking wall cutting handling structure prevents falling the sediment device at blocking wall cutting piece outside suit, prevents falling sediment device downside and sets up blocking wall cutting piece anti-skidding base, and blocking wall cutting piece anti-skidding base downside sets up blocking wall cutting piece end tray, has prevented that the possibility of sediment from appearing falling in concrete blocking wall cutting piece.
Drawings
FIG. 1 is a schematic view of an original hoisting ground structure;
FIG. 2 is a schematic view of a hoisted ground handling structure;
FIG. 3 is a schematic structural view of a temporary passage scaffold and a cutting guide fixing frame;
FIG. 4 is a detail view of the fixed guide structure of the wire saw cutting machine;
FIG. 5 is a sectional view of a concrete blocking wall structure to be removed in the ultra-deep foundation pit;
fig. 6 is a schematic view of a cutting and hoisting structure of the blocking wall.
In the figure: 1-underground continuous wall, 2-external guide wall, 3-original ground, 4-slag, 5-reinforced concrete pavement, 6-reinforced mesh sheet, 7-concrete, 8-original asphalt concrete pavement, 9-drainage ditch, 10-embedded PVC pipe, 11-embedded galvanized pipe, 12-concrete plugging wall to be dismantled, 13-concrete plugging wall parting line to be dismantled, 14-post-cast steel bar, 15-reinforced concrete upper panel, 16-reinforced concrete column, 17-reinforced concrete lower panel, 18-wastewater collection tank, 19-scaffold base, 20-scaffold base, 21-scaffold short rod, 22-scaffold cross rod, 23-scaffold vertical rod, 24-scaffold connecting piece, 25-scaffold top support, 26-scaffold top support spring, 27-pedestrian passageway framework, 28-pedestrian passageway bottom plate, 29-pedestrian passageway safety guardrail, 30-rope cutting machine fixed track, 31-rope cutting machine, 32-cutting chain, 33-rope cutting machine fixed rod, 34-rope cutting machine, 35-rope cutting machine fixed rod, 36-lifting block, 35-lifting anti-lifting block base, 35-lifting anti-lifting block base, 39-lifting anti-lifting block base, 40-lifting anti-lifting block base, 35-lifting anti-lifting block-cutting base, 41-lifting anti-concrete plugging wall cutting machine.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to assist in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications can be made to the present invention, and these modifications and modifications also fall within the scope of the claims of the present invention.
As an example, as shown in fig. 1 to 6: a construction system for removing a concrete blocking wall of an ultra-deep foundation pit comprises an original hoisting ground structure, a hoisting ground treatment structure, a concrete blocking wall structure to be removed of the ultra-deep foundation pit, a waste water treatment structure in the cutting process of the concrete blocking wall, a temporary channel scaffold, a cutting guide fixing frame structure and a concrete blocking wall cutting and hoisting structure;
the slag 4 and the original asphalt concrete pavement 8 are sequentially arranged above the original ground 3 in the original hoisting ground structure, the left sides of the slag 4 and the original asphalt concrete pavement 8 are outer guide walls 2, and the outer guide walls 2 are connected with underground continuous walls 1.
In the hoisting ground processing structure, asphalt layers of an original asphalt concrete pavement 8 on the upper side of an original ground 3 are milled and removed, slag 4 is remained, the upper part of an outer guide wall 2 is as high as the slag 4, double-layer reinforced mesh sheets 6, pre-buried PVC pipes 10 and pre-buried galvanized pipes 11 are laid on the slag 4 and the upper part of the outer guide wall 2 respectively, concrete 7 is poured on the slag 4 and the upper part of the outer guide wall 2 to form a reinforced concrete pavement 5, the other side of the outer guide wall 2 is connected with an underground continuous wall 1, the pre-buried PVC pipes 10 and the zinc-plated pre-buried pipes 11 extend from the surface of the reinforced concrete pavement 5 above the outer guide wall 2 to drainage ditches 9, and the drainage ditches 9 are arranged on the side surface of the reinforced concrete pavement 5 above the slag 4. The wastewater above the outer guide wall 2 can be discharged back into the drainage ditch 9 through the embedded PVC pipe 10 and the embedded galvanized pipe 11.
The ultra-deep foundation pit concrete blocking wall structure to be dismantled marks a concrete blocking wall partition line 13 to be dismantled on a concrete blocking wall 12 to be dismantled, the lower part of the concrete blocking wall 12 to be dismantled is connected with a reinforced concrete lower panel 17, the reinforced concrete lower panel 17 is connected with a reinforced concrete upper panel 15 through a reinforced concrete column 16, and post-cast steel bars 14 are arranged in the reinforced concrete upper panel 15.
The waste water treatment structure for the cutting process of the concrete blocking wall comprises a waste water collecting tank 18, wherein the waste water collecting tank 18 is arranged at the joint of the concrete blocking wall 12 to be dismantled and the reinforced concrete lower panel 17 and used for discharging waste water generated when the rope saw cutting machine 31 cuts the concrete blocking wall 12 to be dismantled outside a field.
Temporary channel scaffold and cutting direction mount structure locate under the reinforced concrete panel 17 on, set up scaffold chassis 20 under scaffold base 19, connect scaffold montant 23 on scaffold base 19, be connected fixedly through scaffold connecting piece 24 and scaffold horizontal pole 22 between the scaffold montant 23 respectively, scaffold quarter butt 21, scaffold top spring 26 is installed to scaffold montant 23 at scaffold top, be equipped with scaffold top 25 on scaffold top spring 26, install pedestrian passageway skeleton 27 on scaffold top 25 respectively, be equipped with pedestrian passageway bottom plate 28 on the pedestrian passageway skeleton 27 bottom surface, pedestrian passageway skeleton 27 side is equipped with pedestrian passageway safety barrier 29, be equipped with rope saw cutting machine fixed mobile track 30 on pedestrian passageway bottom plate 28, be equipped with a plurality of rope saw cutting machine 31 on rope saw cutting machine fixed mobile track 30, rope saw cutting machine 31 can slide on rope saw cutting machine fixed mobile track 30 and fix through rope saw cutting machine dead lever 33, rope saw cutting machine 31 obtains the closure block cutting of concrete block 12 along waiting to tear open concrete closure wall cutting 13 through cutting by cutting diamond chain 32.
The concrete blocking wall cutting and hoisting structure comprises a slag falling prevention device and a truck crane 34, the slag falling prevention device is sleeved outside a blocking wall cutting block 40, a blocking wall cutting block anti-slip base 44 is arranged on the lower side of the slag falling prevention device, a blocking wall cutting block bottom tray 45 is arranged on the lower side of the blocking wall cutting block anti-slip base 44, hoisting lower grooves 39 are symmetrically arranged on the lower portion of the blocking wall cutting block bottom tray 45, hoisting upper grooves 38 are arranged at positions, corresponding to the hoisting lower grooves 39, on the upper portion of the blocking wall cutting block 40, and hoisting cables 37 respectively penetrate through the hoisting lower grooves 39 and the hoisting upper grooves 38 and are connected with the truck crane 34 through hoisting rings 36 and truck crane cables 35.
The bottom of the slag-dropping prevention device outside the plugging wall cutting block 40 is provided with a slag-dropping prevention base 43, the side surface of the slag-dropping prevention base 43 is connected with a slag-dropping prevention elastic belt 42, the other side of the slag-dropping prevention elastic belt 42 is connected with a slag-dropping prevention angle bead 41, and the slag-dropping prevention angle bead 41 is arranged at the corner of the top of the plugging wall cutting block 40.

Claims (6)

1. The utility model provides an ultra-deep foundation ditch concrete shutoff wall demolishs construction system which characterized in that includes: the method comprises the following steps of firstly, constructing an original hoisting ground structure, a hoisting ground treatment structure, a structure of a concrete blocking wall to be dismantled in an ultra-deep foundation pit, a waste water treatment structure in the cutting process of the concrete blocking wall, a temporary passage scaffold and cutting guide fixing frame structure and a concrete blocking wall cutting and hoisting structure;
slag (4) and an original asphalt concrete pavement (8) are sequentially arranged above an original ground (3) in the original hoisting ground structure, and one sides of the slag (4) and the original asphalt concrete pavement (8) are connected with an outer guide wall (2); the height of the outer guide wall (2) and the refractory slag (4) in the ground hoisting treatment structure is equal, and the upper parts of the refractory slag (4) and the outer guide wall (2) are sequentially provided with an embedded PVC pipe (10), an embedded galvanized pipe (11) and a double-layer reinforcing steel bar net piece (6); the ultra-deep foundation pit concrete blocking wall structure to be dismantled comprises a concrete blocking wall (12) to be dismantled and a reinforced concrete lower panel (17), wherein the waste water treatment structure in the cutting process of the concrete blocking wall comprises a waste water collecting tank (18), and the waste water collecting tank (18) is arranged on one side, connected with the concrete blocking wall (12) to be dismantled, of the reinforced concrete lower panel (17);
the temporary channel scaffold and the cutting guide fixing frame structure are arranged on a reinforced concrete lower panel (17), a pedestrian channel framework (27) is arranged at the top of the temporary channel scaffold and the cutting guide fixing frame structure, a pedestrian channel safety guardrail (29) is arranged on the side surface of the pedestrian channel framework (27), a pedestrian channel bottom plate (28) and a rope saw cutting machine fixed movable rail (30) are arranged on the pedestrian channel framework (27), and the rope saw cutting machine fixed movable rail (30) is connected with a plurality of rope saw cutting machines (31) in a sliding mode; the rope saw cutting machine (31) is provided with a rope saw cutting machine fixing rod (33);
the concrete blocking wall cutting and hoisting structure comprises a slag falling prevention device and a truck crane (34), wherein the slag falling prevention device is sleeved outside a blocking wall cutting block (40), an anti-skid base (44) of the blocking wall cutting block and a bottom tray (45) of the blocking wall cutting block are sequentially connected below the slag falling prevention device, and the bottom tray (45) of the blocking wall cutting block is connected with the truck crane (34) through a hoisting stay rope (37).
2. The ultra-deep foundation pit concrete blocking wall dismantling construction system according to claim 1, characterized in that: one side of the outer guide wall (2) far away from the slag (4) is connected with an underground continuous wall (1); double-deck reinforcing bar net piece (6) outer cladding has concrete (7) among the hoist and mount ground processing structure, and double-deck reinforcing bar net piece (6) and concrete (7) form reinforced concrete pavement (5), and pre-buried PVC pipe (10) and pre-buried galvanized pipe (11) extend to escape canal (9) from reinforced concrete pavement (5) surface above outer guide wall (2), and escape canal (9) are located reinforced concrete pavement (5) side above slag (4).
3. The ultra-deep foundation pit concrete blocking wall dismantling construction system according to claim 1, characterized in that: the concrete blocking wall (12) to be removed is provided with a concrete blocking wall dividing line (13) to be removed, the reinforced concrete lower panel (17) is connected with the reinforced concrete upper panel (15) through a reinforced concrete column (16), and post-cast steel bars (14) are arranged between the reinforced concrete upper panel (15) and the concrete blocking wall (12) to be removed.
4. The ultra-deep foundation pit concrete blocking wall dismantling construction system according to claim 1, characterized in that: temporary channel scaffold frame and cutting direction mount structure bottom are scaffold frame base (19), scaffold frame base (19) have scaffold frame chassis (20), be connected with scaffold frame montant (23) on scaffold frame base (19), scaffold frame montant (23) are through scaffold frame connecting piece (24) and scaffold frame horizontal pole (22), scaffold frame quarter butt (21) are connected fixedly, be equipped with on the scaffold frame montant (23) at top scaffold frame top support spring (26), be equipped with on scaffold frame top support spring (26) scaffold frame top support (25), be equipped with pedestrian passageway skeleton (27) on scaffold frame top support (25), pedestrian passageway skeleton (27) bottom surface is equipped with pedestrian passageway bottom plate (28), pedestrian passageway skeleton (27) are kept away from and are waited to tear open concrete blocking wall (12) one side and are equipped with pedestrian passageway safety barrier (29).
5. The ultra-deep foundation pit concrete blocking wall dismantling construction system according to claim 1, characterized in that: the bottom tray (45) of the blocking wall cutting block is symmetrically provided with lower lifting grooves (39), the upper part of the blocking wall cutting block (40) is provided with upper lifting grooves (38), and the upper lifting grooves (38) correspond to the lower lifting grooves (39); the hoisting cable (37) sequentially passes through the hoisting lower groove (39), the hoisting upper groove (38) and the hoisting ring (36) to be connected with the truck hoisting cable (35), and the truck hoisting cable (35) is connected with the truck crane (34).
6. The ultra-deep foundation pit concrete blocking wall dismantling construction system according to claim 1, characterized in that: the bottom of a sealing wall cutting block (40) is arranged on an anti-slag-falling base (43) in the anti-slag-falling device, an anti-slag-falling elastic belt (42) is connected to the side face of the anti-slag-falling base (43), the other end of the anti-slag-falling elastic belt (42) is connected with an anti-slag-falling corner protector (41), and the corner at the top of the sealing wall cutting block (40) is arranged on the anti-slag-falling corner protector (41).
CN202222874546.2U 2022-10-28 2022-10-28 Construction system for removing concrete plugging wall of ultra-deep foundation pit Active CN218563142U (en)

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Application Number Priority Date Filing Date Title
CN202222874546.2U CN218563142U (en) 2022-10-28 2022-10-28 Construction system for removing concrete plugging wall of ultra-deep foundation pit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222874546.2U CN218563142U (en) 2022-10-28 2022-10-28 Construction system for removing concrete plugging wall of ultra-deep foundation pit

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CN218563142U true CN218563142U (en) 2023-03-03

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