CN114753297A - New and old dock wall connection structure and construction method thereof - Google Patents

New and old dock wall connection structure and construction method thereof Download PDF

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Publication number
CN114753297A
CN114753297A CN202210374457.3A CN202210374457A CN114753297A CN 114753297 A CN114753297 A CN 114753297A CN 202210374457 A CN202210374457 A CN 202210374457A CN 114753297 A CN114753297 A CN 114753297A
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China
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new
wall
old
wall body
steel sheet
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CN202210374457.3A
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CN114753297B (en
Inventor
胡鹏
李智波
余小宇
欧世明
李辉
钱双林
曹建
徐硕
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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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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E02B3/068Landing stages for vessels
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B1/00Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/16Sealings or joints
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B5/00Artificial water canals, e.g. irrigation canals
    • E02B5/04Navigable canals
    • E02B5/06Operating equipment in connection with canals
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/02Fixed barrages
    • E02B7/04Dams across valleys
    • E02B7/08Wall dams
    • E02B7/10Gravity dams, i.e. those in which the weight of the structure prevents overturning
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11Hard structures, e.g. dams, dykes or breakwaters

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

The invention provides a new and old dock wall connection structure which comprises a new wall body adopting a high pile cap single anchor steel plate pile structure and an old wall body adopting a jet grouting pile water-stop buttress structure, wherein the new wall body and the old wall body are connected through a connection part, the connection part comprises a reinforced concrete wall layer and a brick wall layer, the reinforced concrete wall layer is connected with the new wall body in a pouring mode, the brick wall layer is connected with the old wall body in a bricklaying mode, the brick wall layer is connected with the reinforced concrete wall layer in a pouring mode, and a jet grouting water-stop gravity dam for stopping water is arranged on the outer side of the connection position of the new wall body and the old wall body. The invention also provides a construction method of the new and old dock wall connection structure, and the construction method can effectively improve the water stop effect of the connection position of the new and old dock walls.

Description

New and old dock wall connection structure and construction method thereof
Technical Field
The invention relates to the technical field of dock engineering, in particular to a new and old dock wall connection structure and a construction method thereof.
Background
Dock is a dock type building for repairing and building ships, which can be used for water filling and water draining to repair and build ships on dry bottom. In recent years, with the vigorous development of water transportation industry in China, dock buildings which are built (expanded) in port engineering are increased day by day, the scale is increased day by day, the structural forms of dock walls are diversified, and the technical difficulty of connection water stop construction of different structural forms is increased gradually.
When the dock wall of an original dock adopts a jet grouting pile water stop buttress structure and the dock wall of a newly-expanded dock adopts a high-pile bearing platform single-anchor steel plate pile structure, the whole dock wall system is composed of four parts of structures of the dock wall, a bearing platform, a pull rod and an anchor wall, and the problem of poor water stop effect exists in the construction of a newly-built dock wall lengthened section and the dock wall of the original ship dock.
Disclosure of Invention
The invention mainly solves the technical problem of providing a new and old dock wall connection structure, and improving the water stop effect of the wall connection part.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the new wall body and the old wall body are connected through a connection part, the connection part comprises a reinforced concrete wall layer and a brick wall layer, the reinforced concrete wall layer is connected with the new wall body in a pouring mode, the brick wall layer is connected with the old wall body in a bricking mode, the brick wall layer is connected with the reinforced concrete wall layer in a pouring mode, and a rotary spraying water-stopping gravity dam for stopping water is arranged on the outer side of the connection position of the new wall body and the old wall body.
The beneficial effect of above-mentioned structure does: through setting up reinforced concrete wall layer and brick wall layer, make the structure of new and old wall body linking department more stable, have certain water-proof effects, establish in the outside of linking department simultaneously and spout stagnant water gravity dam soon, seal structure is reliable, and water-proof effects is further, spouts the weight of stagnant water gravity dam self simultaneously soon and can effectively support reinforced concrete wall layer and brick wall layer, prevents that the wall body from collapsing, improves wall body stability.
Preferably, the old wall body comprises a counterfort wallboard and a plurality of counterfort rib plates arranged at intervals, the plurality of counterfort rib plates are integrally connected to the outer side of the counterfort wallboard, and a rubber water stop belt for stopping water is embedded between the counterfort wallboard and the reinforced concrete wall layer. Through adopting above-mentioned structure, the counterfort floor can effectively support the counterfort wallboard, improves old wall's structural stability, through setting up the rubber waterstop, makes the gap between reinforced concrete wall layer and the counterfort wallboard have better leakproofness, prevents to leak.
Preferably, the new wall body comprises a plurality of steel sheet piles which are connected in sequence, the cross section of each steel sheet pile is of a polygonal structure, and each steel sheet pile is provided with a connecting portion used for connecting adjacent steel sheet piles. By adopting the structure, the steel sheet piles connected in a combined manner are enclosed into a new wall body, and meanwhile, the cross section of each steel sheet pile is of a polygonal structure, so that the structural strength of each steel sheet pile is increased, and the structural stability of the new wall body is improved.
Preferably, the connecting portion include first hasp and the second hasp that sets up respectively in the steel sheet pile both sides, and the first hasp and the second hasp of two adjacent steel sheet piles mutually support the joint. Through adopting above-mentioned structure, make the connection of two adjacent steel sheet piles reliable and stable, improve the stability of new wall body.
Preferably, the jet grouting water-stop gravity dam comprises a plurality of jet grouting water-stop piles, the jet grouting water-stop piles are arranged in a staggered mode, the jet grouting water-stop piles are connected with the joints of the old wall body and the steel sheet piles in a pouring mode, and galleries are poured at the upper ends of the jet grouting water-stop piles. The water leakage can be prevented by arranging the plurality of staggered jet grouting water-stop piles, and the engineering truck can conveniently move or walk on the gallery, so that the construction is convenient.
The invention also provides a construction method for implementing the new and old dock wall joining structure, which comprises the following steps:
s1: a plurality of steel sheet piles of the new wall body are sequentially connected at preset positions through pile sinking machines to carry out pile sinking;
s2: dismantling part of the old wall body of the dock and reserving a position for connecting with the new wall body;
s3: constructing a jet grouting water stop pile on the outer side of the wall at the joint of the new wall body and the old wall body through a high-pressure jet grouting machine;
s4: carrying out earth excavation of a dock chamber enclosed by the new wall body and pouring reinforced concrete of a dock chamber bottom plate;
s5: performing masonry wall layer construction on one side of the joint close to the old wall body;
s6: and pouring a reinforced concrete wall layer at one side of the joint part close to the combined steel sheet pile and connecting the reinforced concrete wall layer with the brick wall layer in a pouring manner.
The construction method has the beneficial effects that: at first the construction spouts stagnant water stake soon and prevents the leakage of new and old wall body linking department, the follow-up construction of being convenient for simultaneously, then through the construction connection of brick wall layer with old wall body, the section that does benefit to old wall body and demolish levels fast, is connected through the construction of reinforced concrete wall layer with new wall body at last, does benefit to the sealing connection of steel sheet pile and brick wall layer, improves the leakproofness, prevents to leak.
Preferably, the following steps are included between steps S3 and S4:
s3.1: the corridor for pouring the reinforced concrete at the upper end of the jet grouting water-stop pile comprises a corridor bottom plate and a wall body arranged at the upper end of the corridor bottom plate. By adopting the steps, the follow-up construction is facilitated, the construction efficiency is improved, the self weight is improved, and the stability is improved.
Preferably, there is the following step between steps S3.1 and S4:
s3.2: the extension part of the corridor bottom plate is constructed on the combined steel sheet pile of the new wall body, a plurality of pull rods are installed on the new wall body, one end of each pull rod is fixedly connected with the steel sheet pile, and the other end of each pull rod is connected with the anchorage structure. By adopting the steps, the support stability of the combined steel sheet pile is improved, and the wall body is prevented from collapsing.
Preferably, step S6 is followed by the following steps:
s7: and pouring a gallery top plate at the top of the gallery. By adopting the steps, the engineering vehicle can move on the top of the gallery conveniently, and subsequent construction is facilitated.
Drawings
Fig. 1 is a partial top view of a joining structure of new and old dock walls according to the present invention;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is a schematic view of FIG. 1 taken along direction B;
description of reference numerals:
1. a new wall body; 11. steel sheet piles; 12. a connecting portion; 121. a first lock catch; 122. a second lock catch; 2. an old wall body; 21. a buttress wallboard; 22. buttress rib plates; 3. a reinforced concrete wall layer; 4. building a wall layer by bricks; 5. a water-stopping gravity dam is sprayed in a rotating mode; 51. jet grouting water-stopping piles; 52. a gallery; 521. a gallery floor; 522. a gallery ceiling; 6. a rubber water stop.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the invention provides a new and old dock wall joining structure, which comprises a new wall 1 adopting a high pile cap single anchor steel sheet pile 11 structure and an old wall 2 adopting a jet grouting pile water-stop buttress structure, wherein the new wall 1 and the old wall 2 are connected through a joining part, the joining part comprises a reinforced concrete wall layer 3 and a brick wall layer 4, the reinforced concrete wall layer 3 is connected with the new wall 1 in a pouring manner, the brick wall layer 4 is connected with the old wall 2 in a brick manner, the brick wall layer 4 is connected with the reinforced concrete wall layer 3 in a pouring manner, and a jet grouting water-stop gravity dam 5 for stopping water is arranged on the outer side of the joining part of the new wall 1 and the old wall 2.
Specifically, the old wall body 2 comprises a counterfort wallboard 21 and a plurality of counterfort rib plates 22 arranged at intervals, the plurality of counterfort rib plates 22 are integrally connected to the outer side of the counterfort wallboard 21, and a rubber water stop belt 6 for stopping water is embedded between the counterfort wallboard 21 and the reinforced concrete wall layer 3.
The new wall body 1 includes a plurality of steel sheet piles 11 that connect gradually, steel sheet pile 11 is hollow tubulose, steel sheet pile 11's transversal is polygonized structure, be equipped with the connecting portion 12 that is used for connecting adjacent steel sheet pile 11 on the steel sheet pile 11, connecting portion 12 is including setting up first hasp 121 and the second hasp 122 in 11 left and right sides of every steel sheet pile respectively, and the first hasp 121 and the second hasp 122 of two adjacent steel sheet piles 11 mutually support the joint.
The jet grouting water-stop gravity dam 5 comprises a plurality of jet grouting water-stop piles 51, a plurality of the jet grouting water-stop piles 51 are arranged in a staggered mode, a plurality of the jet grouting water-stop piles 51 are connected with the joints of the old wall body 2 and the steel sheet pile 11 in a pouring mode, a gallery 52 is poured at the upper end of the jet grouting water-stop piles 51, the gallery 52 comprises a gallery bottom plate 521, a wall body and a gallery top plate 522, and the wall body is arranged between the gallery bottom plate 521 and the gallery top plate 522.
The invention also provides a construction method for implementing the new and old dock wall joining structure, which comprises the following steps:
s1: a plurality of steel sheet piles 11 of the new wall body 1 are sequentially connected at preset positions through pile sinking machines to carry out pile sinking;
s2: dismantling part of the old wall 2 of the dock and reserving a position for connecting with the new wall 1;
s3: constructing a jet grouting water-stop pile 51 on the outer side of the wall at the joint of the new wall body 1 and the old wall body 2 through a high-pressure jet grouting machine;
s3.1: pouring a reinforced concrete gallery 52 at the upper end of the jet grouting water pile 51, wherein the gallery 52 comprises a gallery bottom plate 521 and a wall body arranged at the upper end of the gallery bottom plate 521;
s3.2: constructing an extension part of a corridor bottom plate 521 on a combined steel sheet pile 11 of a new wall body 1, wherein a plurality of pull rods are installed on the new wall body 1, one end of each pull rod is fixedly connected with the steel sheet pile 11, and the other end of each pull rod is connected with an anchorage structure;
s4: carrying out earth excavation of the dock chamber surrounded by the new wall body 1 and pouring of reinforced concrete of a bottom plate of the dock chamber;
s5: constructing a brick wall layer 4 at one side of the joint close to the old wall body 2;
s6: pouring a reinforced concrete wall layer 3 at one side of the joint close to the combined steel sheet pile 11 and pouring and connecting the reinforced concrete wall layer with the brick wall layer 4;
s7: a gallery top plate 522 is poured on top of gallery 52.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims (9)

1. The new and old dock wall connection structure is characterized by comprising a new wall body (1) adopting a high pile cap single anchor steel plate pile (11) structure and an old wall body (2) adopting a jet grouting pile water-stop buttress structure, wherein the new wall body (1) and the old wall body (2) are connected through a connection part, the connection part comprises a reinforced concrete wall layer (3) and a brick wall layer (4), the reinforced concrete wall layer (3) is connected with the new wall body (1) in a pouring manner, the brick wall layer (4) is connected with the old wall body (2) in a brick manner, the brick wall layer (4) is connected with the reinforced concrete wall layer (3) in a pouring manner, and a jet grouting water-stop gravity dam (5) for water stop is arranged on the outer side of the connection part of the new wall body (1) and the old wall body (2).
2. The joining structure of the new and old dock walls according to claim 1, wherein the old wall (2) comprises a buttress wall panel (21) and a plurality of buttress rib plates (22) arranged at intervals, the plurality of buttress rib plates (22) are integrally connected to the outer side of the buttress wall panel (21), and a rubber water stop belt (6) for stopping water is embedded between the buttress wall panel (21) and the reinforced concrete wall layer (3).
3. The joining structure of new and old dock wall according to claim 1, wherein the new wall (1) comprises a plurality of steel sheet piles (11) connected in sequence, the cross section of each steel sheet pile (11) is of a polygonal structure, and a connecting part (12) for connecting adjacent steel sheet piles (11) is arranged on each steel sheet pile (11).
4. The joining structure of new and old dock wall according to claim 3, wherein the connecting part (12) comprises a first lock catch (121) and a second lock catch (122) respectively arranged at two sides of the steel sheet piles (11), and the first lock catch (121) and the second lock catch (122) of two adjacent steel sheet piles (11) are mutually matched and clamped.
5. The new and old dock wall joining structure according to claim 3, wherein the jet grouting water stopping gravity dam (5) comprises a plurality of jet grouting water stopping piles (51), the plurality of jet grouting water stopping piles (51) are arranged in a staggered mode, the plurality of jet grouting water stopping piles (51) are connected with the joint of the old wall body (2) and the steel sheet pile (11) in a pouring mode, and a gallery (52) is poured at the upper end of each jet grouting water stopping pile (51).
6. A construction method of a joining structure of new and old dock walls according to any one of claims 1 to 5, comprising the steps of:
s1: a plurality of steel sheet piles (11) of the new wall body (1) are sequentially connected at preset positions through pile sinking machines to carry out pile sinking;
S2: dismantling part of the old wall (2) of the dock and reserving a position for connecting with the new wall (1);
s3: constructing a jet grouting water-stop pile (51) on the outer side of the wall at the joint of the new wall body (1) and the old wall body (2) through a high-pressure jet grouting machine;
s4: carrying out excavation of dock chamber earthwork surrounded by the new wall body (1) and pouring of reinforced concrete of a dock chamber bottom plate;
s5: constructing a brick wall layer (4) at one side of the joint close to the old wall body (2);
s6: and pouring the reinforced concrete wall layer (3) at one side of the joint close to the combined steel sheet pile (11) and pouring and connecting the reinforced concrete wall layer with the brick wall layer (4).
7. The construction method of the joining structure of the new and old dock walls according to claim 6, wherein the following steps are performed between the steps S3 and S4:
s3.1: the method is characterized in that a corridor (52) made of reinforced concrete is poured at the upper end of the jet grouting water pile (51), and the corridor (52) comprises a corridor bottom plate (521) and a wall body arranged at the upper end of the corridor bottom plate (521).
8. The construction method of the joining structure of the new and old dock walls according to claim 7, wherein the following steps are performed between the steps S3.1 and S4:
s3.2: the method comprises the following steps of constructing an extension part of a corridor bottom plate (521) on a combined steel sheet pile (11) of a new wall body (1), installing a plurality of pull rods on the new wall body (1), and fixedly connecting one ends of the pull rods with the steel sheet pile (11) and connecting the other ends of the pull rods with an anchorage structure.
9. The construction method of the new and old docking wall joining structure according to claim 7, wherein the step S6 is followed by the steps of:
s7: and pouring a gallery top plate (522) at the top of the gallery (52).
CN202210374457.3A 2022-04-11 2022-04-11 Novel dock wall connecting structure and construction method thereof Active CN114753297B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0988295A (en) * 1995-09-28 1997-03-31 Ig Tech Res Inc Repair structure of external wall
CN206873979U (en) * 2017-04-06 2018-01-12 上海频浩贸易有限公司 One kind is used to newly build a wall and old wall contact surface processing structure
KR102157346B1 (en) * 2019-12-26 2020-09-18 대우조선해양 주식회사 Method for shipbuilding by adapting non-floating tandem in dry dock
CN113482389A (en) * 2021-07-21 2021-10-08 济南观唐装饰设计有限公司 Construction process for connecting newly-built wall body with original wall body
CN215888715U (en) * 2021-09-18 2022-02-22 上海杨浦建筑设计有限公司 New and old concrete wall connection structure
CN216108602U (en) * 2021-09-16 2022-03-22 广东省建筑工程机械施工有限公司 Retaining wall supporting construction is administered in river surge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0988295A (en) * 1995-09-28 1997-03-31 Ig Tech Res Inc Repair structure of external wall
CN206873979U (en) * 2017-04-06 2018-01-12 上海频浩贸易有限公司 One kind is used to newly build a wall and old wall contact surface processing structure
KR102157346B1 (en) * 2019-12-26 2020-09-18 대우조선해양 주식회사 Method for shipbuilding by adapting non-floating tandem in dry dock
CN113482389A (en) * 2021-07-21 2021-10-08 济南观唐装饰设计有限公司 Construction process for connecting newly-built wall body with original wall body
CN216108602U (en) * 2021-09-16 2022-03-22 广东省建筑工程机械施工有限公司 Retaining wall supporting construction is administered in river surge
CN215888715U (en) * 2021-09-18 2022-02-22 上海杨浦建筑设计有限公司 New and old concrete wall connection structure

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