CN110939063A - Rapid construction method for underwater isolated pier support platform - Google Patents
Rapid construction method for underwater isolated pier support platform Download PDFInfo
- Publication number
- CN110939063A CN110939063A CN201911100193.7A CN201911100193A CN110939063A CN 110939063 A CN110939063 A CN 110939063A CN 201911100193 A CN201911100193 A CN 201911100193A CN 110939063 A CN110939063 A CN 110939063A
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- Prior art keywords
- platform
- underwater
- support
- pier
- steel pipe
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
- Revetment (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a rapid construction method of a stand platform of an underwater isolated pier, which is used for inserting and driving inclined steel pipe piles in water and manufacturing a platform stand on land at the same time; the platform support mainly comprises a cross beam and a longitudinal beam; after the construction, the platform support is hoisted to the inclined steel pipe pile through hoisting equipment, and welding and reinforcing are carried out; and pouring concrete on the platform support to finish the manufacture of the anchor pier. The invention has simple construction, safety and rapidness, and ensures the smooth construction; and the labor input and the working hours can be reduced, the construction cost input is effectively reduced, and the construction period is shortened.
Description
Technical Field
The invention belongs to the field of bridge construction, and particularly relates to a rapid construction method of an underwater isolated pier support platform.
Background
In the double-wall steel suspension box cofferdam positioning construction, independent anchor piers at different positions need to be arranged in water, namely four temporary piers which take inclined steel pipe piles as main bearing structures are arranged at four opposite corners of the cofferdam, and the piers are arranged at a certain distance away from the cofferdam so as to avoid the scouring range of the cofferdam as far as possible. Each abutment is connected with a certain angular point of the cofferdam by a cable so as to accurately control the position of the cofferdam. The inclined steel pipe piles are connected into a whole through pouring concrete on the pier to form an operation platform, and corresponding tackle blocks, windlasses and other facilities are respectively arranged on the platform to facilitate the tension of peripheral pull cables; the position of the cofferdam can be adjusted through the adjustment of the pulling force of the pull cable.
The construction method often causes construction difficulties due to factors such as high construction difficulty, high risk, and incapability of construction in flood tide periods on water and inclined steel pipe piles.
Disclosure of Invention
The invention aims to provide a rapid construction method of a support platform of an underwater isolated pier, which meets the requirements of safety and convenience in construction operation on an inclined steel pipe pile in water.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a quick construction method for a support platform of an underwater isolated pier comprises the following steps:
s1, inserting and driving the inclined steel pipe piles in the water and manufacturing platform supports on the land at the same time; the platform support mainly comprises a cross beam and a longitudinal beam;
s2, after the step S1 is completed, the platform support is hoisted to the inclined steel pipe pile through hoisting equipment, and welding and reinforcing are carried out;
and S3, pouring concrete on the platform support to finish the manufacture of the anchor pier.
Further, the method for manufacturing the platform bracket in step S1 includes:
s11, enabling the two main longitudinal beams to be parallel to each other and to be arranged at the lowest layer of the structure;
s12, vertically and uniformly distributing a plurality of transverse distribution beams on the main longitudinal beam, and firmly welding;
and S13, arranging longitudinal frame beams at two ends of the transverse distribution beam.
Further, the welding and reinforcing method for the platform bracket and the inclined steel pipe pile in the step S2 includes:
s21, connecting the inclined steel pipe pile with the platform bracket;
and S22, welding and reinforcing after connection.
Further, the specific method of manufacturing in step S3 includes: and (3) paving a wood bottom die on the platform support, binding reinforcing steel bars, and erecting a steel side die to finish concrete pouring.
The invention also provides a water isolated pier support platform applying the method, wherein a support platform main body structure is formed by two main longitudinal beams which are parallel to each other, a plurality of transverse distribution beams which are vertically arranged with the main longitudinal beams and two longitudinal frame beams at the outermost sides of the transverse distribution beams.
Further, the main structure of the support platform is welded with the inclined steel pipe pile.
Compared with the prior art, the invention has the following beneficial effects:
according to the rapid construction method of the stand platform of the underwater isolated pier, the inclined steel pipe pile in water can be driven in a plugging mode and the stand on the land can be welded at the same time during construction, the welded stand is hoisted to the inclined steel pipe pile through hoisting equipment in the construction process, connection and reinforcement are carried out, construction is simple, safe and rapid, and smooth construction is guaranteed; and the labor input and the working hours can be reduced, the construction cost input is effectively reduced, and the construction period is shortened.
Drawings
Fig. 1 is a top view of an underwater hard pier mounting platform according to an embodiment of the present invention;
fig. 2 is a front view of an underwater hard pier mounting platform according to an embodiment of the present invention.
Wherein:
1-a main longitudinal beam; 2-transverse distribution beams; 3-longitudinal frame beams;
4-concrete anchor piers; 5-a platform support; 6-riverbed; 7-steel pipe pile.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
In the description of the present invention, when an element is referred to as being "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present.
The invention is further illustrated with reference to the following specific embodiments and the accompanying drawings.
As shown in fig. 1, the main structure of the underwater isolated pier support platform provided by the invention, namely a platform support 5, is composed of two main longitudinal beams 1 which are parallel to each other, a plurality of transverse distribution beams 2 which are arranged perpendicular to the main longitudinal beams, and two outermost longitudinal frame beams 3.
The invention provides a rapid construction method, in the positioning construction of a double-wall steel suspension box cofferdam, 6 inclined steel pipe piles 7 are respectively arranged at four opposite corners of the cofferdam and in the water of a riverbed 6, when the inclined steel pipe piles 7 in the water are arranged in a plugging way, a platform bracket 5 can be simultaneously manufactured on land, and the manufacturing process comprises the steps of enabling two main longitudinal beams 1 to be parallel to each other and arranged at the lowest layer of the structure; a plurality of transverse distribution beams 2 are vertically and uniformly distributed on the main longitudinal beam 1 and are firmly welded; longitudinal frame beams 3 are arranged at two ends of the transverse distribution beam 2.
After the platform support 5 is manufactured, the steel pipe piles 7 inclined are hung and placed through hoisting equipment, and the 6 inclined steel pipe piles 7 and the platform support 5 are firmly penetrated, connected and welded through reserved hole grooves. And then, paving a wood bottom die on the platform support 5, binding steel bars, and erecting a steel side die to complete the pouring of the concrete anchor pier 4.
As shown in figure 2, which is a front view after the construction is finished,
the invention solves the problem that the construction of the abutment support platform on the inclined steel pipe pile is unsafe and convenient, and has simple, safe and quick construction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A quick construction method for a support platform of an underwater isolated pier is characterized by comprising the following steps:
s1, inserting and driving the inclined steel pipe piles in the water and manufacturing platform supports on the land at the same time; the platform support mainly comprises a cross beam and a longitudinal beam;
s2, after the step S1 is completed, the platform support is hoisted to the inclined steel pipe pile through hoisting equipment, and welding and reinforcing are carried out;
and S3, pouring concrete on the platform support to finish the manufacture of the anchor pier.
2. The method for rapidly constructing the underwater isolated pier support platform according to claim 1, wherein the method for manufacturing the platform support in the step S1 comprises the following steps:
s11, enabling the two main longitudinal beams to be parallel to each other and to be arranged at the lowest layer of the structure;
s12, vertically and uniformly distributing a plurality of transverse distribution beams on the main longitudinal beam, and firmly welding;
and S13, arranging longitudinal frame beams at two ends of the transverse distribution beam.
3. The method for rapidly constructing the underwater isolated pier support platform according to claim 1, wherein the step S2 of welding and reinforcing the platform support and the inclined steel pipe pile comprises the following steps:
s21, connecting the inclined steel pipe pile with the platform bracket;
and S22, welding and reinforcing after connection.
4. The method for rapidly constructing the underwater isolated pier support platform according to claim 1, wherein the specific method for manufacturing the underwater isolated pier support platform in the step S3 comprises the following steps: and (3) paving a wood bottom die on the platform support, binding reinforcing steel bars, and erecting a steel side die to finish concrete pouring.
5. The underwater pier-supported platform using the method of any one of claims 1-4, wherein the main structure of the supported platform is composed of two main longitudinal beams parallel to each other, a plurality of transverse distribution beams arranged perpendicular to the main longitudinal beams, and two longitudinal frame beams at the outermost sides of the transverse distribution beams.
6. The underwater hard pier cradle platform of claim 5, wherein the cradle platform body structure is welded to an inclined steel pipe pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100193.7A CN110939063A (en) | 2019-11-12 | 2019-11-12 | Rapid construction method for underwater isolated pier support platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100193.7A CN110939063A (en) | 2019-11-12 | 2019-11-12 | Rapid construction method for underwater isolated pier support platform |
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| Publication Number | Publication Date |
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| CN110939063A true CN110939063A (en) | 2020-03-31 |
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| CN201911100193.7A Pending CN110939063A (en) | 2019-11-12 | 2019-11-12 | Rapid construction method for underwater isolated pier support platform |
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Citations (11)
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|---|---|---|---|---|
| CN101725112A (en) * | 2009-12-18 | 2010-06-09 | 中铁大桥局集团第三工程有限公司 | Construction method for piers |
| KR101024259B1 (en) * | 2010-06-07 | 2011-03-29 | 주식회사 하이드로코리아 | Temporary bride construction method using pile upper bracket |
| CN102677592A (en) * | 2012-05-24 | 2012-09-19 | 中国水电建设集团十五工程局有限公司 | Method for erecting deepwater steel trestle and platform on exposed bedrock in shallow sea |
| JP2013096095A (en) * | 2011-10-28 | 2013-05-20 | Nippon Steel & Sumikin Engineering Co Ltd | Rigid connection structure and rigid connection method between bridge pier and bridge girder |
| CN103215962A (en) * | 2013-03-22 | 2013-07-24 | 中铁大桥局集团第五工程有限公司 | Pier stud type pile foundation tie beam steel hanging box cofferdam |
| CN103388401A (en) * | 2013-08-14 | 2013-11-13 | 中国建筑第八工程局有限公司 | Steel post operation platform and construction method thereof |
| CN104594352A (en) * | 2015-01-14 | 2015-05-06 | 中铁大桥局集团有限公司 | Stable structure and drilling platform construction method based on stable structure |
| CN204644882U (en) * | 2015-05-07 | 2015-09-16 | 中交第二公路工程局有限公司 | A kind of water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices |
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| CN108004933A (en) * | 2017-12-25 | 2018-05-08 | 中铁大桥局集团第五工程有限公司 | A kind of bridge construction survey platform that can be recycled and application method |
| CN110055979A (en) * | 2019-04-15 | 2019-07-26 | 北京铁科特种工程技术有限公司 | For the precast prestressed concrete anchor pier of slope reinforcement and production and construction method |
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2019
- 2019-11-12 CN CN201911100193.7A patent/CN110939063A/en active Pending
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| KR101024259B1 (en) * | 2010-06-07 | 2011-03-29 | 주식회사 하이드로코리아 | Temporary bride construction method using pile upper bracket |
| JP2013096095A (en) * | 2011-10-28 | 2013-05-20 | Nippon Steel & Sumikin Engineering Co Ltd | Rigid connection structure and rigid connection method between bridge pier and bridge girder |
| CN102677592A (en) * | 2012-05-24 | 2012-09-19 | 中国水电建设集团十五工程局有限公司 | Method for erecting deepwater steel trestle and platform on exposed bedrock in shallow sea |
| CN103215962A (en) * | 2013-03-22 | 2013-07-24 | 中铁大桥局集团第五工程有限公司 | Pier stud type pile foundation tie beam steel hanging box cofferdam |
| CN103388401A (en) * | 2013-08-14 | 2013-11-13 | 中国建筑第八工程局有限公司 | Steel post operation platform and construction method thereof |
| CN104594352A (en) * | 2015-01-14 | 2015-05-06 | 中铁大桥局集团有限公司 | Stable structure and drilling platform construction method based on stable structure |
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| CN110055979A (en) * | 2019-04-15 | 2019-07-26 | 北京铁科特种工程技术有限公司 | For the precast prestressed concrete anchor pier of slope reinforcement and production and construction method |
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Application publication date: 20200331 |
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