CN113957919B - Gravity type round caisson concrete breast wall bottom die supporting system - Google Patents

Gravity type round caisson concrete breast wall bottom die supporting system Download PDF

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Publication number
CN113957919B
CN113957919B CN202111381181.3A CN202111381181A CN113957919B CN 113957919 B CN113957919 B CN 113957919B CN 202111381181 A CN202111381181 A CN 202111381181A CN 113957919 B CN113957919 B CN 113957919B
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China
Prior art keywords
supporting
caisson
beams
round caisson
round
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CN202111381181.3A
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CN113957919A (en
Inventor
肖俊平
凌晓明
张�成
张德元
李子华
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China Railway Guangzhou Engineering Group Co Ltd CRECGZ
CRECGZ Port and Channel Engineering Co Ltd
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China Railway Guangzhou Engineering Group Co Ltd CRECGZ
CRECGZ Port and Channel Engineering Co Ltd
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Priority to CN202111381181.3A priority Critical patent/CN113957919B/en
Publication of CN113957919A publication Critical patent/CN113957919A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D23/00Caissons; Construction or placing of caissons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • 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
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00Handling building or like materials for hydraulic engineering or foundations
    • E02D15/08Sinking workpieces into water or soil inasmuch as not provided for elsewhere
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D23/00Caissons; Construction or placing of caissons
    • E02D23/08Lowering or sinking caissons
    • 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

Abstract

The invention discloses a gravity type round caisson concrete breast wall bottom die supporting system which comprises a plurality of supporting main beams arranged on a round caisson, wherein one end of each supporting main beam is embedded in the round caisson, the other end of each supporting main beam extends to the side wall penetrating through the round caisson, four groups of supporting auxiliary beams which are sequentially connected end to end and used for laying a bottom die plate are arranged on the plurality of supporting main beams, the four groups of supporting auxiliary beams surround the periphery of the round caisson and are arranged in a rectangular shape, four groups of hoisting mechanisms are arranged at the top of the round caisson, and the hoisting point of each group of hoisting mechanisms is positioned at the joint of two adjacent groups of supporting auxiliary beams. This application has the effect of reinforcing die block board bearing capacity.

Description

Gravity type round caisson concrete breast wall bottom die supporting system
Technical Field
The application relates to the technical field of civil engineering, in particular to a gravity type round caisson concrete breast wall bottom die supporting system.
Background
The caisson gravity wharf is a very important structure in a wharf structure, and the structure is firm and durable; the freezing resistance and the ice resistance are good; the loading device can bear larger ground load and ship load, has the characteristic of strong adaptability to larger concentrated load, wharf ground overload and loading and unloading process change, and is widely applied to wharf engineering.
Caissons generally take both square and round forms, depending on their external characteristics. The round caisson has the advantages that the round caisson is of a curved-shell structure, the stress condition is good, the bending moment is small, the reflection of front-edge waves is smaller than that of the round caisson, the round caisson is beneficial to ship berthing in a berthing area, and the like, so that the round caisson occupies a great proportion in the design and model selection of the gravity type independent pier structure.
The upper part of the gravity type round caisson is generally provided with a breast wall which mainly plays a role of blocking backfill after the wall, bearing various loads acting on a wharf and transmitting the loads into a foundation and a foundation; the breast wall also serves to integrate the wall members. Therefore, the construction quality of the breast wall is directly connected with the use function and the safety performance of the wharf.
The cast-in-situ breast wall mainly comprises the steps of template manufacturing and installation, reinforcing steel bar processing and binding and concrete pouring. However, the top of the caisson wall and the lower part of the breast wall are generally located in the range of the water level variation area, the water facing surface of the breast wall generally protrudes outwards more than the water facing surface of the caisson wall, the overhanging length of the bottom template is large, and the bearing capacity of the bottom template is easy to be insufficient, so that the conditions of unsmooth and straight lines, deformation of members and the like after the concrete member is formed are caused. The light affects the apparent mass, and the heavy affects the durability and safety of the wharf. Therefore, improvements are needed.
Disclosure of Invention
In order to improve the bearing capacity of bottom form in order to guarantee the shaping quality of breastwall, this application provides a gravity type circle caisson concrete breastwall die block braced system.
The application provides a gravity type circle caisson concrete breast wall die block braced system adopts following technical scheme:
the utility model provides a gravity type circle caisson concrete breast wall die block braced system, is including setting up a plurality of support girders on the circle caisson, the one end that supports the girder is buried underground in the circle caisson, the perisporium of circle caisson is chosen in the other end overhang that supports the girder, and is a plurality of support auxiliary beam that the confession die block that is provided with four groups of head and the tail on the support girder and connects gradually lays, four groups support auxiliary beam and enclose the periphery of establishing at the circle caisson and be the rectangle and arrange, the top of circle caisson is provided with four groups hoisting machine structure, every group hoisting machine constructs the hoisting point that hangs is located adjacent two sets of junctions that support the auxiliary beam.
Through adopting above-mentioned technical scheme, support main beam portion and round caisson integrated into one piece and pour the shaping to can provide stable support to supporting vice roof beam and laying the die plate on supporting vice roof beam. Through, four groups of support auxiliary beams enclose the periphery of the round caisson and are arranged in a rectangular manner, so that the pouring formed breast wall is arranged in a square frame manner, and the ship can stop. Because of the cylindrical body of the round caisson position, the connecting part of the two adjacent groups of the supporting auxiliary beams is far away from the center of the round caisson, and the bending moment generated by the connecting part relative to the supporting main beam is large. Therefore, by arranging the four groups of hoisting mechanisms, the hoisting point of each group of hoisting mechanism is positioned at the joint of the two adjacent groups of supporting auxiliary beams, so that a counter-pulling structure is formed to enhance the bearing capacity of the four corners of the bottom template, and the forming quality of the breast wall is improved.
Preferably, hoisting machine constructs including fixing the hanging beam at circle caisson top, the hanging beam level sets up, the one end of hanging beam hangs in the top outside of circle caisson, the part threaded connection that the circle caisson was chosen out to the hanging beam has the jib, the vertical setting of jib, the lower extreme of jib rotates and is connected with the adapter sleeve, articulated on the adapter sleeve have the lifting beam, lie in and leave the clearance that supplies the lifting beam to pass between the adjacent two supporting auxiliary beams of same set of, the lifting beam spanes many supporting auxiliary beams.
Because the lifting beam is heavy and the mounting position of the lifting beam is close to the water surface, the lifting beam is mounted in a hoisting mode, so that a constructor can conveniently operate without launching water, and the mounting efficiency of the lifting beam is improved; on the other hand, constructors only need to assist the lifting appliance to install the lifting beam, and therefore labor intensity of workers is reduced. When the lifting beam is installed, the suspension rod is connected with the suspension beam, then the lifting beam is hinged with the connecting sleeve, and the connecting sleeve can rotate relative to the suspension rod, so that the orientation of the lifting beam in the horizontal direction can be adjusted, and the lifting beam can penetrate through a gap between two adjacent supporting auxiliary beams. And then, rotating the lifting beam around a hinged shaft between the lifting beam and the connecting sleeve to enable the lifting beam to be gradually vertical, so that the lifting beam cannot collide with the main supporting beam in the lowering process, and the lifting beam can pass through the lower part of the hanging rod. And after the lifting beam is positioned below the joint of the two adjacent groups of supporting auxiliary beams, the lifting beam is lifted through the suspender, so that a reverse hanging structure is formed, and the bearing capacity of the bottom template is improved.
Preferably, a plurality of diagonal draw beams are fixedly connected between two adjacent groups of supporting secondary beams.
Through adopting above-mentioned technical scheme, the setting of drawing the roof beam to one side has improved the joint strength of two sets of support auxiliary girders to improve the structural strength of die block board braced system, so that the bearing capacity of die block board obtains the reinforcing.
Preferably, one side of the lifting beam is fixedly connected with a plurality of positioning blocks, and the inclined pulling beam is provided with a through groove for the positioning blocks to pass through.
Through adopting above-mentioned technical scheme, locating piece cooperation logical groove plays limiting displacement to carrying the straining beam to make and carrying the straining beam to be difficult for rocking, improved and carried the straining beam to the support stability who supports the auxiliary beam.
Preferably, a fixed beam is fixedly connected between the hanging beam and the supporting main beam, and the fixed beam is embedded in the round caisson.
Through adopting above-mentioned technical scheme, the setting of fixed beam for the hanging beam links together with supporting the girder, not only plays the effect of fixed hanging beam, has improved the bending resistance of hanging beam with supporting the girder moreover, thereby has further strengthened the bearing capacity of die block board braced system.
Preferably, a connecting beam is fixedly connected between two adjacent lifting beams.
By adopting the technical scheme, the four hanging beams are connected into a whole, the connection strength of the hanging beams and the round caisson is improved, and the lifting beam is stably hung.
Preferably, a plurality of screw rods penetrate through the lifting beam and the hanging beam, the screw rods are distributed at intervals along the length direction of the hanging beam, and nuts are connected to two ends of each screw rod in a threaded mode.
By adopting the technical scheme, after the lifting beam is installed, the lifting beam and the hanging beam are tensioned by utilizing the screw nuts, so that the lifting beam is tightly attached to the plurality of supporting auxiliary beams, and all parts of the lifting beam are stressed more uniformly.
Preferably, a diagonal bracing beam is fixedly connected between the supporting main beam and the outer side wall of the round caisson.
By adopting the technical scheme, the connection strength of the supporting main beam and the round caisson is enhanced by the inclined supporting beam, the bending resistance of the supporting main beam is enhanced, and the bearing capacity of the bottom template supporting system is enhanced.
In summary, the present application includes at least one of the following beneficial technical effects:
four groups of hoisting mechanisms are arranged at the top of the round caisson and used for hoisting four groups of supporting auxiliary beams, so that the bearing capacity of the bottom template supporting system is greatly enhanced;
the lifting beam is installed in a hoisting mode, so that the installation efficiency of the lifting beam is improved, and the working strength of workers is reduced;
through the fixed beam fixedly connected between the hanging beam and the supporting main beam, the connection strength of the hanging beam and the round caisson and the connection strength of the supporting main beam and the round caisson are enhanced, the bending resistance of the hanging beam and the supporting main beam is improved, and the bearing capacity of the bottom template supporting system is further enhanced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present application;
figure 2 is the structural schematic diagram of hoisting machine in this application.
Description of the reference numerals:
1. a round caisson; 2. supporting the main beam; 21. a cross beam; 22. a stringer; 3. a diagonal bracing beam; 4. supporting the secondary beam; 5. obliquely pulling the beam; 6. a hoisting mechanism; 61. a hanging beam; 62. a boom; 63. a hand wheel; 64. connecting sleeves; 65. lifting the beam; 66. positioning blocks; 67. a screw; 7. a fixed beam; 8. and connecting the beams.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a gravity type round caisson concrete breast wall bottom die supporting system. Referring to fig. 1, the caisson comprises a plurality of supporting girders 2 arranged on a round caisson 1, wherein one ends of the supporting girders 2 are embedded in the round caisson 1, and the other ends of the supporting girders 2 penetrate through the side wall of the round caisson 1 to be cantilevered. And an inclined supporting beam 3 is fixedly connected between the lower surface of the supporting main beam 2 and the side wall of the round caisson 1 so as to enhance the bending resistance of the supporting main beam 2.
Referring to fig. 1, the plurality of supporting main beams 2 are divided into two groups of longitudinal beams 22 and two groups of cross beams 21, wherein the two groups of longitudinal beams 22 and the two groups of longitudinal beams 21 are oppositely arranged, and the two groups of cross beams 21 and the two groups of longitudinal beams 22 are distributed on the periphery of the round caisson 1 in a # character shape. In the embodiment of the present application, four beams 21 are a group, four beams 21 in the same group are arranged in parallel, and one end of each of the four beams 21 in the same group, which is far away from the round caisson 1, is flush. The two longitudinal beams 22 are in one group, the two longitudinal beams 22 in the same group are arranged in parallel, and one ends of the two longitudinal beams 22 in the same group far away from the round caisson 1 are flush.
Referring to fig. 1, a group of supporting secondary beams 4 for laying the bottom formworks are laid on the two groups of cross beams 21 and the two groups of longitudinal beams 22, and the four groups of supporting secondary beams 4 are fixedly connected end to end in sequence. Four groups of support secondary beams 4 are arranged around the periphery of the round caisson 1 in a rectangular shape. In the embodiment of the present application, the three support secondary beams 4 form a group, and the three support secondary beams 4 located in the same group are distributed at intervals along the length direction of the portion of the support main beam 2 overhanging the round caisson 1. Three diagonal draw beams 5 are fixedly connected between the inner side walls of the two adjacent groups of the supporting auxiliary beams 4 so as to enhance the connection strength of the two adjacent groups of the supporting auxiliary beams 4.
Referring to fig. 1 and 2, four sets of hoisting mechanisms 6 are arranged at the top of the round caisson 1, and the hoisting points of each set of hoisting mechanism 6 are located at the connecting positions of two adjacent sets of supporting secondary beams 4. The hoisting mechanism 6 comprises a hoisting beam 61 arranged at the top of the round caisson 1, the hoisting beam 61 is arranged along the direction parallel to the radial direction of the round caisson 1, and one end of the hoisting beam 61 extends to the outside suspended above the round caisson 1. The part of the hanging beam 61 overhanging the round caisson 1 is connected with a hanging rod 62 by screw thread, and the hanging rod 62 is arranged perpendicular to the hanging beam 61. A hand wheel 63 is fixedly connected to the upper end of the boom 62 to rotate the boom 62. The lower end of the suspender 62 is rotatably connected with a connecting sleeve 64 through a coaxial bearing, and one end of the connecting sleeve 64 far away from the suspender 62 is hinged with a lifting beam 65. A gap for the pulling beam 65 to pass through is left between two adjacent supporting secondary beams 4 in the same group.
When the supporting sub-beams 4 are lifted by the hoisting mechanism 6, after the lifting beam 65 is connected to the connecting sleeve 64, the orientation of the lifting beam 65 in the horizontal direction is manually adjusted so that the lifting beam 65 can pass through a gap between two adjacent supporting sub-beams 4, and then the lifting beam 65 is lowered by rotating the boom 62 while rotating the lifting beam 65 in a direction in which the lifting beam 65 is vertical so that the lifting beam 65 does not collide with the supporting main beams 2 during lowering.
Referring to fig. 1 and 2, three positioning blocks 66 are convexly arranged on one side of the lifting beam 65 connected with the connecting sleeve 64, the three positioning blocks 66 are distributed at intervals along the length direction of the lifting beam 65, each positioning block 66 corresponds to one inclined pulling beam 5, and a through groove for inserting the positioning block 66 is formed in the lower surface of each inclined pulling beam 5. After the lifting beam 65 is lowered to be positioned below the support sub-beam 4, the orientation of the lifting beam 65 in the horizontal plane is adjusted until the positioning block 66 is aligned with the through groove, and at this time, the lifting beam 65 is parallel to the hanging beam 61. The boom 62 is then inverted to hoist the lifting beam 65. The lifting beam 65 forms a counter-pulling structure with the hanging beam 61 through the hanging rod 62, so that the bearing capacity of four corner points of the bottom formwork support system is enhanced, and the bearing capacity of the bottom formwork is further enhanced.
Referring to fig. 2, a plurality of screws 67 are further arranged between the lifting beam 65 and the hanging beam 61 in a penetrating manner, in the embodiment of the present application, two screws 67 are arranged, the two screws 67 are distributed at intervals along the length direction of the hanging beam 61, the two screws 67 are distributed on two sides of the hanging rod 62, and both ends of the screws 67 are in threaded connection with nuts. After the lifting beam 65 is tightened by the hanger rods 62, the lifting beam 65 and the hanger beam 61 are tightened by two sets of screws 67 and nuts, so that all parts of the lifting beam 65 are stressed uniformly.
Referring to fig. 1, a fixed beam 7 is fixedly connected between the hanging beam 61 and the partial supporting main beam 2, and the fixed beam 7 is vertically arranged. The one end of fixed beam 7 is buried underground in circle caisson 1 and with support girder 2 welded fastening, the top setting of the outstanding circle caisson 1 of the other end of fixed beam 7 and with hanging beam 61 welded fastening. The fixed beam 7 is arranged, so that the connection strength of the hanging beam 61 and the round caisson 1 and the connection strength of the supporting main beam 2 and the round caisson 1 are enhanced, and the bending resistance of the hanging beam 61 and the supporting main beam 2 is improved, so that the bearing capacity of the bottom formwork supporting system is further enhanced.
Equal fixedly connected with tie-beam 8 between two adjacent hanging beams 61, the setting up of tie-beam 8 makes four hanging beams 61 connect as an organic wholely, has improved the joint strength of hanging beam 61 and caisson to hang lifting beam 65 steadily.
The implementation principle of the gravity type round caisson concrete breast wall bottom die supporting system in the embodiment of the application is as follows: four groups of hoisting mechanisms 6 are arranged at the top of the round caisson 1 and used for hoisting four groups of supporting auxiliary beams 4, so that the bearing capacity of the bottom formwork supporting system is greatly enhanced, and the bearing capacity of the bottom formwork is greatly enhanced. Meanwhile, the lifting beam 65 is installed in a hoisting mode, so that a constructor can conveniently operate without launching water, and the installation efficiency of the lifting beam 65 is improved; on the other hand, constructors only need to assist the lifting appliance to install the lifting beam 65, and therefore the labor intensity of workers is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a gravity type circle caisson concrete breast wall die block braced system which characterized in that: the supporting device comprises a plurality of supporting main beams (2) arranged on a round caisson (1), wherein one end of each supporting main beam (2) is embedded in the round caisson (1), the other end of each supporting main beam (2) extends to the side wall penetrating out of the round caisson (1), four groups of supporting auxiliary beams (4) which are sequentially connected end to end and used for laying a bottom template are arranged on the supporting main beams (2), the four groups of supporting auxiliary beams (4) surround the periphery of the round caisson (1) and are arranged in a rectangular shape, four groups of hoisting mechanisms (6) are arranged at the top of the round caisson (1), and hoisting points of each group of hoisting mechanisms (6) are located at the connection position of two adjacent groups of supporting auxiliary beams (4);
hoisting machine constructs (6) including fixing hanging beam (61) at circle caisson (1) top, hanging beam (61) level sets up, the one end of hanging beam (61) hangs in the top outside of circle caisson (1), the partial threaded connection that circle caisson (1) was chosen in hanging beam (61) has jib (62), jib (62) set up with hanging beam (61) are perpendicular, the lower extreme of jib (62) rotates and is connected with adapter sleeve (64), articulated on adapter sleeve (64) have carry-draw beam (65), lie in and leave the clearance that supplies to carry-draw beam (65) to pass between two adjacent support auxiliary beam (4) of same group, work as carry-draw beam (65) and install the back in place, carry-draw beam (65) to lie in the below of many support auxiliary beam (4) and with support auxiliary beam (4) butt.
2. The gravity type round caisson concrete breast wall bottom die supporting system according to claim 1, wherein: a plurality of inclined pull beams (5) are fixedly connected between two adjacent groups of supporting auxiliary beams (4).
3. The gravity type round caisson concrete breast wall bottom die supporting system of claim 2, wherein: one side of the lifting beam (65) is fixedly connected with a plurality of positioning blocks (66), and the inclined pulling beam (5) is provided with a through groove for the positioning blocks (66) to pass through.
4. The gravity type round caisson concrete breast wall bottom die supporting system of claim 1, wherein: a fixed beam (7) is fixedly connected between the hanging beam (61) and the supporting main beam (2), and the fixed beam (7) is buried in the round caisson (1).
5. The gravity type round caisson concrete breast wall bottom die supporting system according to claim 1, wherein: and a connecting beam (8) is fixedly connected between every two adjacent hanging beams (61).
6. The gravity type round caisson concrete breast wall bottom die supporting system according to claim 1, wherein: a plurality of screw rods (67) penetrate between the lifting beam (65) and the hanging beam (61), the screw rods (67) are distributed at intervals along the length direction of the hanging beam (61), and nuts are connected to two ends of each screw rod (67) in a threaded mode.
7. The gravity type round caisson concrete breast wall bottom die supporting system of claim 1, wherein: and an inclined supporting beam (3) is fixedly connected between the supporting main beam (2) and the outer side wall of the round caisson (1).
CN202111381181.3A 2021-11-20 2021-11-20 Gravity type round caisson concrete breast wall bottom die supporting system Active CN113957919B (en)

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CN202111381181.3A CN113957919B (en) 2021-11-20 2021-11-20 Gravity type round caisson concrete breast wall bottom die supporting system

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Application Number Priority Date Filing Date Title
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CN113957919B true CN113957919B (en) 2022-09-02

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4911242B2 (en) * 2010-11-29 2012-04-04 株式会社大林組 Reinforcement structure of existing gravity quay
CN110528459A (en) * 2019-09-11 2019-12-03 中交第四航务工程局有限公司 A kind of beam type bed die of caisson wharf cast-in-situ creast wall
CN212689005U (en) * 2020-07-04 2021-03-12 无锡市航道工程有限公司 Overhanging type formwork supporting structure for pouring retaining wall

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