CN107989054A - It is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure - Google Patents

It is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure Download PDF

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Publication number
CN107989054A
CN107989054A CN201711299393.0A CN201711299393A CN107989054A CN 107989054 A CN107989054 A CN 107989054A CN 201711299393 A CN201711299393 A CN 201711299393A CN 107989054 A CN107989054 A CN 107989054A
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China
Prior art keywords
mud
bottom plate
hanging box
box bottom
underwater
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CN201711299393.0A
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Chinese (zh)
Inventor
刘齐辉
魏贤华
黄腾
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CRCC Harbour and Channel Engineering Bureau Group Co Ltd
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CRCC Harbour and Channel Engineering Bureau Group Co Ltd
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Priority to CN201711299393.0A priority Critical patent/CN107989054A/en
Publication of CN107989054A publication Critical patent/CN107989054A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/02Restraining of open water
    • E02D19/04Restraining of open water by coffer-dams, e.g. made of sheet piles

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)

Abstract

The present invention disclose it is a kind of be applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, it is characterised in that including hanging box bottom plate, multiple casings, side wall and shirt rim mud guard through hanging box bottom plate;The hanging box bottom plate include polylith can spelling armoured concrete slab and multiple mud-suction holes through armoured concrete slab, the hanging box bottom plate be additionally provided with mud-sucking device corresponding with the mud-suction hole;The side wall is arranged on the hanging box bottom plate and the periphery in the hanging box bottom plate;The shirt rim mud guard is around hanging box bottom plate and below the hanging box bottom plate.The present invention stops that mud, water enter on hanging box bottom plate by side wall, is coordinated by mud-sucking device, multiple mud-suction holes being distributed on armoured concrete slab and inhales mud so that hanging box bottom plate sinks, and stops that mud enters the inner side of shirt rim mud guard using shirt rim mud guard;Break the conventional construction method that steel suspended box cofferdam can be only applied to high-rise pile cap.

Description

It is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure
Technical field
The present invention relates to civil construction technical field, more particularly to a kind of being mixed without back cover applied to underwater flush type cushion cap Solidifying soil steel lifted trunk structure.
Background technology
Currently, in water Bridge, harbour foundation construction, the waterproof cofferdam of use substantially has:Steel sheet-pile cofferdam, lock steel pipe The forms such as pile cofferdam, Double-Wall Steel Boxed Cofferdam, bottomless steel jacket box and bottom board steel lifting box cofferdam.Wherein Double-Wall Steel Boxed Cofferdam, lock steel pipe Pile cofferdam and steel sheet-pile cofferdam, have been widely used in underwater flush type cushion cap foundation construction.
And work as and run into base position riverbed (stream plasticity) Muddy Bottoms coating super thick (reaching tens of rice), design cushion cap foundation top Depth is relatively deep in face embedment (stream plasticity) mud and bottom surface below when still having thicker silt soil strata, according to conventional low pile Double-Wall Steel Boxed Cofferdam, the lock construction method such as steel pipe pile cofferdam and steel sheet-pile cofferdam used by platform, hole bottom stability against heave checking computations It can not meet code requirement, and cofferdam needs guiding through (stream plasticity) mud and silt soil strata reaches supporting course, depth is up to Tens of rice, difficulty of construction is very big, security risk is big, and rolled steel dosage is big, extremely uneconomical.
Steel suspended box cofferdam has the characteristics that the construction period is short, material utilization amount is few, economical rationality, is not required to sink to riverbed, by It is widely used in deep-water bridge, the construction of harbour High-Rise Pile Cap Foundation.Held if can be not required to sink to using steel suspended box cofferdam The advantages of power layer, construct then in conjunction with my unit (Chinese iron Jian Ganghangju Group Co., Ltd) in high-rise pile cap steel suspended box cofferdam The important breakthrough that aspect obtains (obtains 1 patent of invention, 4 utility model patents:Underwater concrete in the construction of water Bridge Casting method, the patent No.:ZL201610247564.4, a kind of underwater non-bottom concrete steel reinforced concrete combination suspension box-cofferdam structure, specially Profit number:ZL201620639074.4, underwater concreting device, the patent No.:ZL201620334799.2, a kind of steel lifted trunk envelope Block apparatus, the patent No.:ZL201620334796.9 and a kind of prefabricated panel steel lifted trunk, the patent No.:ZL201620334798.8), Low pile cap in above-mentioned super thick mud area is constructed using steel suspended box cofferdam, then above-mentioned difficulty can be readily solved, together When can thoroughly break the conventional construction method that steel suspended box cofferdam can be only applied to high-rise pile cap.
The content of the invention
The technical problems to be solved by the invention are, for the above-mentioned deficiency of the prior art, propose that one kind is applied to water Lower flush type cushion cap without bottom concrete steel lifted trunk structure.
The present invention solve the technical solution that its technical problem uses be it is a kind of applied to underwater flush type cushion cap without back cover Concrete steel hanging box structure, it is characterised in that including:
Hanging box bottom plate, including polylith can spelling armoured concrete slab and multiple mud-suction holes through armoured concrete slab, The hanging box bottom plate is additionally provided with mud-sucking device corresponding with the mud-suction hole;
Multiple casings through hanging box bottom plate, have horn mouth between casing and the hanging box bottom plate;In the horn mouth Middle perfusion non-dispersible underwater concrete;
Side wall, is arranged on the hanging box bottom plate and is in the periphery of the hanging box bottom plate;
Shirt rim mud guard, the shirt rim mud guard is around hanging box bottom plate and below the hanging box bottom plate.
Preferably, I-shaped supporting beam and multiple inner supports are provided with the side wall.
Preferably, the horn mouth is wide at the top and narrow at the bottom.
Preferably, there is 10 to 20cm gap between the bell-mouthed lower end and casing.
Preferably, it is disposed with sealing air bag in the gap.
Preferably, hanging box bottom plate described in the outer wall vertical of the shirt rim mud guard, the inner wall of the shirt rim mud guard is certainly It is upper and under inclined inclined-plane outward.
Preferably, the height of the shirt rim mud guard 40 between 60cm.
Preferably, the mud-sucking device is equipped with the dredging tube in insertion mud-suction hole.
Preferably, circumferential girder is additionally provided with the inside of the side wall.
Preferably, casing and the hanging box bottom plate is connected with strut and tie.
The present invention stops that mud, water enter on hanging box bottom plate by side wall, is mixed by mud-sucking device, multiple reinforcing bars that are distributed in Mud-suction hole on concrete board, which coordinates, inhales mud so that hanging box bottom plate sinks, and stops that mud enters shirt rim gear mud using shirt rim mud guard The inner side of plate;Steel cofferdam implantation must be used and cause largely with steel by overcoming the underwater flush type cushion cap in super thick mud area Disadvantage, while break the conventional construction method that steel suspended box cofferdam can be only applied to high-rise pile cap.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is the top view of the present invention;
Fig. 3 is the casing of the present invention and the structure diagram of armoured concrete slab.
Embodiment
It is the specific embodiment of the present invention and with reference to attached drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.
Refer to Fig. 1-Fig. 3, the present invention it is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, It is characterised in that it includes hanging box bottom plate, casing 12 and side wall 2.
Hanging box bottom plate, including polylith can spelling armoured concrete slab 13 and multiple suction mud through armoured concrete slab 13 Hole, the hanging box bottom plate are additionally provided with mud-sucking device corresponding with the mud-suction hole;Specifically, hanging box bottom plate has polylith steel Reinforced concrete, polylith armored concrete can in situ spelling, the multiple mud-suction hole is distributed on hanging box bottom plate, in this implementation In example, the quantity for the mud-suction hole being distributed on each armoured concrete slab 13 is the amount doesn't matter.
Multiple casings 12 through hanging box bottom plate, have horn mouth between the casing 12 and hanging box bottom plate;In the loudspeaker Non-dispersible underwater concrete 11 is irrigated in mouth;Specifically, casing 12 passes through the hanging box bottom plate, the outer wall of casing 12 and institute State hanging box bottom plate not contact directly, there is horn mouth between casing 12 and hanging box bottom plate, in the horn mouth under priming petock not Scattered concrete 11, emerges for blocking horn mouth to prevent the water under hanging box bottom plate from horn mouth, described underwater not scattered mixed Solidifying soil 11 is equipped with micro swelling agent so that non-dispersible underwater concrete 11 expands slightly, makes up non-dispersible underwater concrete 11 and receives Contracting, prevents casing 12 and hanging box bottom plate from crack occur, and in this embodiment, the casing 12 is steel.
Side wall 2, is arranged on the hanging box bottom plate;The side wall 2 is around hanging box bottom plate and is arranged on hanging box bottom plate, institute State side wall 2 to be used to stop mud 9, prevent from flowing on hanging box bottom plate, the side wall 2 described in this embodiment is steel plate.
Shirt rim mud guard 10, the shirt rim mud guard 10 are described around hanging box bottom plate and below the hanging box bottom plate Shirt rim mud guard 10 is used to stop that the mud 9 outside shirt rim mud guard 10 to enter in shirt rim mud guard 10.
Stop that mud 9, water enter on hanging box bottom plate by side wall 2, by mud-sucking device, multiple be distributed in armored concrete Mud-suction hole on plate 13, which coordinates, inhales mud so that hanging box bottom plate sinks, and stops that mud 9 enters shirt rim gear mud using shirt rim mud guard 10 The inner side of plate 10;Steel cofferdam implantation must be used and cause largely to use by overcoming the underwater flush type cushion cap in 9 layers of area of super thick mud The disadvantage of steel, while break the conventional construction method that steel cofferdam can be only applied to high-rise pile cap of hanging.
It is further preferred that I-shaped supporting beam 1 and multiple inner supports 3 are provided with the side wall 2, the I-shaped supporting beam 1 improves the stability of the side wall 2.
The horn mouth is wide at the top and narrow at the bottom, so can conveniently irrigate non-dispersible underwater concrete 11, meanwhile, the horn mouth The positioning of casing 12 can be facilitated.There is 10 to 20cm gap, in the gap between the bell-mouthed lower end and casing 12 Sealing air bag 15 is disposed with, it is specifically, convenient with 10 to 20cm gap between the bell-mouthed lower end and casing 12 The installation of sealing air bag 15, and cause sealing air bag 15 that there is more preferable water-stagnating effect.
It is further preferred that hanging box bottom plate described in the outer wall vertical of the shirt rim mud guard 10, the shirt rim mud guard 10 Inner wall be inclined inclined-plane outward from top to bottom, when install suspension box-cofferdam, suspension box-cofferdam is sunk, in suspension box-cofferdam sinking During, the shirt rim mud guard 10 can block the mud 9 on suspension box-cofferdam periphery into the underface of hanging box bottom plate, meanwhile, With the sinking of suspension box-cofferdam, 9 pressure of mud below hanging box bottom plate is increasing, and the mud 9 below hanging box bottom plate can Skidded off along the inner wall of shirt rim mud guard 10 to outside shirt rim mud guard 10, and then reduce the suction mud amount of mud-sucking device, and then improve peace Fill efficiency.
It is further preferred that the height of the shirt rim mud guard 10 40 between 60cm, if shirt rim mud guard 10 is excessive, Mud guard intensity is not enough to bear the resistance of mud when hanging box sinks, if shirt rim mud guard 10 is too low, do not have stop mud 9 into Enter the effect of the inner side of shirt rim mud guard 10.
It is further preferred that the mud-sucking device is equipped with the dredging tube 5 in insertion mud-suction hole, under the shirt rim mud guard 10 The mud 9 of side is ejected into outside suspension box-cofferdam by dredging tube 5, and the dredging tube 5 can be also used for spraying water and ventilate.
It is further preferred that the inner side of the side wall 2 is additionally provided with circumferential girder 8, the ring girder is used to improve side The intensity of wall 2.
It is further preferred that the casing 12 and hanging box bottom plate are connected with strut and tie 4, ensure the dead weight of hanging box and drain water Anti-floating power can pass to casing 12 by bottom plate afterwards, it is ensured that hanging box safety.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.

Claims (10)

1. it is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, it is characterised in that including:
Hanging box bottom plate, including polylith can spelling armoured concrete slab and multiple mud-suction holes through armoured concrete slab, it is described Hanging box bottom plate is additionally provided with mud-sucking device corresponding with the mud-suction hole;
Multiple casings through hanging box bottom plate, have horn mouth between casing and the hanging box bottom plate;Filled in the horn mouth Note non-dispersible underwater concrete;
Side wall, is arranged on the hanging box bottom plate and is in the periphery of the hanging box bottom plate;
Shirt rim mud guard, the shirt rim mud guard is around hanging box bottom plate and below the hanging box bottom plate.
2. it is according to claim 1 it is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, its It is characterized in that:I-shaped supporting beam and multiple inner supports are provided with the side wall.
3. it is according to claim 1 it is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, its It is characterized in that:The horn mouth is wide at the top and narrow at the bottom.
4. it is according to claim 3 it is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, its It is characterized in that:There is 10 to 20cm gap between the bell-mouthed lower end and casing.
5. it is according to claim 4 it is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, its It is characterized in that:Sealing air bag is disposed with the gap.
6. it is according to claim 1 it is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, its It is characterized in that:Hanging box bottom plate described in the outer wall vertical of the shirt rim mud guard, the inner wall of the shirt rim mud guard is from top to bottom Inclined inclined-plane outward.
7. it is according to claim 6 it is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, its It is characterized in that:The height of the shirt rim mud guard is 40 between 60cm.
8. it is according to claim 1 it is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, its It is characterized in that:The mud-sucking device is equipped with the dredging tube in insertion mud-suction hole.
9. it is according to claim 1 it is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, its It is characterized in that:Circumferential girder is additionally provided with the inside of the side wall.
10. it is according to claim 1 it is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure, its It is characterized in that:Casing and the hanging box bottom plate is connected with strut and tie.
CN201711299393.0A 2017-12-08 2017-12-08 It is a kind of applied to underwater flush type cushion cap without bottom concrete steel lifted trunk structure Pending CN107989054A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080268A (en) * 2019-06-11 2019-08-02 中交一航局第二工程有限公司 Underwater cast-in-place pile and casing connection structure and attaching method thereof
CN110172913A (en) * 2019-05-10 2019-08-27 中国建筑第六工程局有限公司 A kind of device for plugging for steel suspended box cofferdam
CN114182730A (en) * 2021-11-29 2022-03-15 中国船舶工业集团公司第七0八研究所 Self-elevating platform pile inserting device and method containing composite pile shoe
CN116623702A (en) * 2020-07-28 2023-08-22 中交路桥华南工程有限公司 Construction method of underwater bearing platform

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CN105951856A (en) * 2016-06-20 2016-09-21 中国铁建港航局集团有限公司 Construction method and structure of underwater reinforced concrete combined suspension-box cofferdam free of bottom-sealing concrete
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110172913A (en) * 2019-05-10 2019-08-27 中国建筑第六工程局有限公司 A kind of device for plugging for steel suspended box cofferdam
CN110080268A (en) * 2019-06-11 2019-08-02 中交一航局第二工程有限公司 Underwater cast-in-place pile and casing connection structure and attaching method thereof
CN110080268B (en) * 2019-06-11 2024-09-10 中交一航局第二工程有限公司 Connecting structure and connecting method for underwater filling pile and sleeve box
CN116623702A (en) * 2020-07-28 2023-08-22 中交路桥华南工程有限公司 Construction method of underwater bearing platform
CN114182730A (en) * 2021-11-29 2022-03-15 中国船舶工业集团公司第七0八研究所 Self-elevating platform pile inserting device and method containing composite pile shoe
CN114182730B (en) * 2021-11-29 2024-03-29 中国船舶工业集团公司第七0八研究所 Self-elevating platform pile inserting device and method with composite pile shoe

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