CN116080841A - Floating platform for integrated construction of water pile foundation - Google Patents
Floating platform for integrated construction of water pile foundation Download PDFInfo
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- CN116080841A CN116080841A CN202211573260.9A CN202211573260A CN116080841A CN 116080841 A CN116080841 A CN 116080841A CN 202211573260 A CN202211573260 A CN 202211573260A CN 116080841 A CN116080841 A CN 116080841A
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000009527 percussion Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 4
- 238000004873 anchoring Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 240000004282 Grewia occidentalis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a floating platform for integrated construction of a water pile foundation, which comprises a modularized three-boat split floating platform, wherein the floating platform consists of a double-body pressure-bearing bridge foot boat, an upper bridge truss connecting structure, hoisting equipment and a mooring system. The platform consists of three groups of double-body pressure-bearing bridge foot boats, the three groups of bridge foot boats are transversely connected through an upper bridge truss structure to form a whole, and the upper bridge truss is connected with a deck support fixed on the buoyancy tank; a region for pile foundation construction is reserved between the transverse upper bridge truss and the long axial direction of the buoyancy tank, and is used for drilling a rock drilling hole of a percussion hammer and lengthening and lowering a pile foundation pile casing. The hoisting equipment is a 90t portal crane, the crane track and the base are respectively arranged on two groups of bearing bridge foot boats at the outer side, and the track supporting beam is connected with the upper bridge truss to form a whole. The fixing devices at the four corners of the platform are composed of windlass and cable guiding drum, and all adopt the anchoring mode of land shore anchors.
Description
Technical Field
The invention relates to the technical field of floating platforms, in particular to a floating platform for integrated construction of a water pile foundation.
Background
In general, the construction of the underwater bridge adopts a steel trestle and a platform as supports, and mechanical equipment such as piling machinery, lifting equipment, material transportation vehicles and the like are all used for bridge construction operation on the platform, and the trestle and the operation platform are erected through a floating crane and a flat barge.
The bridge construction in the water area of some special environments, such as inland deep water lakes, artificial reservoirs and the like, cannot be directly carried out by large-scale water equipment because the water area environment is not provided with a water channel communicated with the external water area, and the materials such as steel casing, steel sleeve boxes and the like involved in the construction in the deep water environment have great weight and large volume and have extremely high requirements on the lifting performance of equipment or a floating platform. Therefore, the conventional large barge and floating crane cannot directly reach the construction area, and cannot meet the construction requirements.
Disclosure of Invention
The invention aims to solve the problems of the background technology and provides a floating platform for integrated construction of a water pile foundation.
The aim of the invention can be achieved by the following technical scheme:
the floating platform for the integrated construction of the water pile foundation comprises a double-body pressure-bearing bridge foot boat, an upper bridge truss connecting structure, hoisting equipment and a mooring system;
the upper bridge truss connecting structure is arranged on the double-body pressure-bearing bridge foot boat and connected with the buoyancy tank deck support through high-strength bolts, the deck support is connected with the buoyancy tank deck through welding, and the double-body pressure-bearing bridge foot boat is connected through the upper bridge truss to form the buoyancy tank construction platform with the split structure.
The upper bridge truss connecting structure is provided with a drilling machine platform for supporting a percussion drilling machine. The gantry crane with the lifting equipment of 90t is arranged on a double-body pressure-bearing bridge foot boat, and the mooring system comprises a cigarette making machine and a cable guiding drum which are symmetrically distributed at the head end and the tail end of a deck of the bridge foot boat at the side of the platform.
As a further scheme of the invention: the double-body pressure-bearing bridge foot boats are arranged at intervals side by side, each set of pressure-bearing double-body bridge foot boat is formed by combining 6 single boat structures, every two of the pressure-bearing double-body bridge foot boats are connected in a transverse mode, then the pressure-bearing double-body bridge foot boats are connected in a head-to-tail mode, the transverse mode is adopted, and the head-to-tail mode is designed by adopting an ear plate and pin penetrating structure.
As a further scheme of the invention: the length of the single set of double-body bridge foot boat is 36m, the width is 5m, and the depth is 2m; the length of the single bridge-foot boat is 6m, the width is 2.5m, and the depth is 2m.
As a further scheme of the invention: the single-set double-body bridge foot boat is of a single-bottom and single-deck steel closed box type structure, the bottoms of two ends of a longitudinal section are wedge-shaped, a transverse skeleton type structure is adopted, a longitudinal girder and six strong cross beams are built in, and a transverse connecting joint is arranged on one side of the outer portion.
As a further scheme of the invention: the upper bridge truss connecting structure consists of two sets of I-beam frame structures, and is formed by transversely symmetrically arranging and fixing 16 40# I-beams on a deck boat board support of a bridge foot boat deck, wherein each 8I-beams are reinforced and assembled into two independent integral structures through transverse short I-beams.
As a further scheme of the invention: the hoisting mechanism comprises a 90t gantry crane, a crane track and a base, wherein the gantry crane track and the base comprise a P50 track, a track supporting beam and a base; the track supporting beam consists of double-spliced 40# I-steel, the track supporting beam is downwards placed and consists of 52 36a I-steel with the length of 1.2 m, and the track supporting beam is respectively welded in the middle of a single group of double-body bridge foot boats.
As a further scheme of the invention: the track supporting beam is arranged on the upper surface of the base; the P50 track is arranged at the middle position of the upper surface of the track supporting beam. Meanwhile, a gear rack is additionally arranged on the side face of the track supporting beam, and a gear is arranged on a driving motor on one side of the gantry crane. The gear rack structure has a self-locking function, and the sliding of the gantry crane in construction is avoided.
As a further scheme of the invention: the mooring system comprises 8t windlass, a cable guiding drum and land shore anchors, wherein the windlass is symmetrically distributed at the head end and the tail end of a deck of a foot boat of a platform side bridge, the shore anchors adopt soil nail anchor rods, the soil nails adopt three steel strands, and the soil nail grouting material adopts M20 mortar.
The invention has the beneficial effects that:
the invention relates to a floating platform for water pile foundation integrated construction, which consists of 3 sets of double-body bearing bridge foot boats arranged in parallel and separated, 1 set of upper bridge truss connecting structure, hoisting equipment and mooring system;
the floating platform has the beneficial effects.
1. The platform has reasonable structural design, the double-body pressure-bearing bridge foot boat, the upper bridge truss structure and the lifting equipment are standard single elements, the combination and the assembly are simple, convenient and quick, the draft area is wide after the integral buoyancy tank platform is formed, and the working platform is large, thereby being suitable for providing an operation platform in a deepwater water area environment. And the upper bridge truss structure is designed strongly, and the safety coefficient is high.
2. The bridge foot boat has uniform design structure and convenient joint design and connection. After transporting the single bridge foot boat to a construction area, connecting the single buoyancy tanks by utilizing a wharf to form a double-body pressure-bearing bridge foot boat, and then installing an upper bridge truss to form a platform.
3. Hoist engine and cable guiding drum have been laid around the platform, but the pile displacement moves convenient and controllable in the work progress, and but the cyclic utilization number of times of platform is high, and after the construction of single pile position pile foundation was accomplished, need not to disassemble floating platform, direct through mooring system mobile platform position can, greatly saved platform material cost and engineering time. And two devices can be arranged on a single platform, construction can be performed simultaneously,
4. the self weights of the equipment and the materials at the symmetrical positions are mutually used as the counter weights, so that the stability and the safety coefficient of the buoyancy tank are further improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the construction floating platform of the present invention;
figure 2 is a side view of the construction floating platform of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 2, the invention relates to a floating platform for integral construction of a water pile foundation, which consists of 3 sets of double-body pressure-bearing bridge foot boats, 1 set of upper bridge truss connecting structures, hoisting equipment and a mooring system;
the 3 sets of double-body pressure-bearing bridge foot boats are provided with upper bridge truss connecting structures, hoisting equipment is arranged on the bridge foot boats, a mooring system comprises a winch and a cable guiding drum, the cable guiding drums are symmetrically distributed at the head end and the tail end of a deck of the bridge foot boat at the side of a platform, and the system can fix and move the platform;
wherein 3 sets of double-body pressure-bearing bridge foot boats are arranged at intervals side by side, each set of pressure-bearing double-body bridge foot boat is formed by combining 6 single boat structures, every two sets of pressure-bearing double-body bridge foot boats are transversely connected and then connected end to end, the size of each single set of double-body bridge foot boat is 36m (length) x 5m (width) x 2m (depth), the weight of each single set of double-body bridge foot boat is about 75t, the size of each single floating box is 6m (length) x 2.5m (width) x 2m (depth), the weight of each single boat is about 12.1t, and the longitudinal section of each single boat is rectangular; the middle bearing bridge foot boat is deviated to one end by 6 meters, so that the other end forms 1 14m multiplied by 6m harbor pool, and the bearing bridge foot boat is used for conveying a transportation platform of a steel pile casing (a steel reinforcement cage) to berth and is unloaded by using lifting equipment;
the single-body boat box body is of a single-bottom and single-deck steel closed box type structure, adopts a transverse skeleton type structure, is internally provided with a strong girder structure and six strong cross beam structures, and is provided with a special transverse connecting joint at one side of the outside, so that the floating boxes can be ensured to be transversely connected with each other to form a rigid integral structure;
the buoyancy tank transverse joint adopts a single-double-lug structure connecting joint and is connected through a pin shaft, and is made of high-quality low alloy steel 30CrMnTi material;
the 1 set of upper bridge truss connecting structure adopts 16 40# I-steel to be transversely and symmetrically arranged and fixed on a boat board support of a bridge leg boat deck, and each 8I-steel is reinforced and assembled into an independent integral structure through short I-steel;
each I-beam frame structure is formed by welding 8 40# I-beams and a plurality of transverse stiffening beams, and a deck bridge truss structure support is formed by modifying 36a I-beams and is used for supporting an upper bridge truss connecting structure and is arranged at a deck boat side of a bridge foot boat;
the gantry crane track and the base comprise a P50 track, a track supporting beam and a base; the base consists of 52I-steel 36a with the length of about 1.2 meters and is respectively welded in the middle of bridge foot boats at two sides of the platform; the track supporting beam is formed by parallel assembly welding of 2I-steel groups 40a and is arranged on the upper surface of the base; the P50 track is arranged at the middle position of the upper surface of the track supporting beam.
The mooring system comprises an 8t winch, a roller cable guide cylinder assembly, a bollard assembly and the like, and is mainly used for the water fixing and berthing operation of the platform.
1 winch of 8t is respectively arranged on the deck of the bridge foot boat at two sides of four corners of the platform; an A130 roller cable guide drum is arranged at the bow of each mooring winch, a winch steel wire rope penetrates through a cable guide drum shore ground anchor to be connected, and when the anchor is moored, the position of the platform is adjusted in place, and then the anchor rope is tightened and fixed through the winch; the land anchors are fixed;
the hoisting equipment comprises a portal crane, wherein a walking track and a base of the portal crane are arranged along the longitudinal direction of the bridge foot boat and are respectively arranged in the middle positions of the bridge foot boats at two sides of the platform; the side of the gantry crane is spanned on the gantry crane, and the span is 19 meters; the gantry crane span is 19m. The whole height of the gantry crane is 15m, and the lifting clearance of the main lifting mechanism is 10m (the height from the rail surface to the lifting hook). The gantry crane must adopt a pinion to drive a rack for transmission, and has stable operation, and swings along with a pontoon when in belt running, so that the travelling wheels are ensured not to skid on the track;
the floating platform for the integrated construction of the water pile foundation is of a modularized three-boat split type portal bridge structure, the main size of the floating platform is 36m multiplied by 24m multiplied by 2.0m or 42m multiplied by 24m multiplied by 2.0m, the center distance of each set of bridge foot boat is 9.5m, and the floating platform is a platform. The bridge foot boat in the middle of the pile foundation platform is shifted to one end by 6 meters towards installation and positioning, so that 1 harbor pool of 14m multiplied by 6m is formed at the other end, and the bridge foot boat is used for conveying a conveying platform of a steel pile casing (a steel reinforcement cage) to berth and is unloaded by using a gantry crane.
The trolley of the crane consists of a trolley frame, a lifting mechanism and a trolley running mechanism, wherein the trolley running mechanism is provided with four-corner driving trolleys, 2 electric hoist traction devices are respectively arranged at two ends of a main beam of the lifting machine, each trolley is provided with a horizontal wheel, and the trolley running mechanism has the functions of climbing and preventing sliding under wave and inclined working conditions; the lifting mechanism is provided with double limit protection (two sets of lifting safety limit switch devices are arranged); the trolley is powered by a suspension type cable conductive (a track used by a cable pulley is a sliding cable steel wire rope) and a pair of hooks are independent I-shaped steel tracks, and the independent I-shaped steel tracks are fixed below the main beam;
the foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (10)
1. The floating platform for the integrated construction of the water pile foundation is characterized by comprising a split platform structural design, hoisting equipment and a mooring system;
the split type platform structure consists of three groups of double-body pressure-bearing bridge foot boats, wherein truss supports are arranged on the bridge foot boat deck surface, and the upper bridge trusses are connected with the truss supports through high-strength bolts so as to connect the three groups of bridge foot boats to form a structure of the whole operation platform; the upper bridge girders are formed by welding I-steel, each 4I-steel welds a group of bridge girders, and 4 groups of bridge girders are distributed on the bridge foot boats; punching operation is carried out on each two groups of bridge trusses by installing a percussion drill according to pile positions;
the hoisting equipment is a 90t gantry crane; the crane base is arranged on two groups of double-body bridge foot boats at the outer side, the base consists of a crane track, a track beam and a transverse cushion beam, and the track beam is connected with the upper bridge girder;
the mooring system is a winch and a cable guiding drum at four corners of the platform, and the operation platform is anchored by adopting a land anchor mode on the shore.
2. The floating platform for integrated construction of the water pile foundation according to claim 1, wherein the double-body pressure-bearing bridge foot boats are in a side-by-side interval structure and are of a split structure, and mainly meet the requirement of structural design of the position of a site pile foundation; each set of pressure-bearing double-body bridge foot boat is formed by combining 6 single boat structures, and is connected in a transverse mode, and then is connected in a head-tail mode.
3. The floating platform for integrated construction of the water pile foundation according to claim 1, wherein the length of a single set of double-body bridge foot boats is 36m, the width is 5m, and the height (depth) is 2m; the length of the single bridge-foot boat is 6m, the width is 2.5m, and the depth is 2m.
4. The floating platform for integrated construction of the water pile foundation according to claim 1, wherein the bridge foot boat is of a single-bottom and single-deck steel closed box type structure, a transverse skeleton type structure, a built-in stringer and six strong cross beams are adopted, and a transverse connecting joint is arranged on one side of the outer portion.
5. The floating platform for integrated construction of the water pile foundation according to claim 1, wherein the upper bridge truss connecting structure is formed by symmetrically arranging and fixing 16I-beams on a boat board support of a bridge foot boat deck in a transverse mode, and each 8I-beams are reinforced and assembled into an independent integral structure through short I-beams.
6. The floating platform for integrated construction of water pile foundation according to claim 1, wherein the upper bridge girder connecting structure is composed of two sets of I-beam frame structures, each I-beam frame structure is formed by assembling and welding 8I-beams and a plurality of transverse reinforcing beams.
7. The floating platform for integrated construction of a water pile foundation according to claim 1, wherein the hoisting equipment comprises a gantry crane track and a base, and the gantry crane track and the base comprise a P50 track, a track support beam and a base; the base consists of 52I-steel with the length of 1.2 meters, and the 52I-steel is respectively welded in the middle of the double-body bridge foot boats at the two sides of the platform.
8. The floating platform for integrated construction of the water pile foundation according to claim 7, wherein the track supporting beam is formed by assembling and welding 2 36a I-steel groups in parallel and is arranged on the upper surface of the base; the P50 track is arranged at the middle position of the upper surface of the track supporting beam.
9. The floating platform for integrated construction of a pile foundation on water of claim 1, wherein the mooring system comprises a winch disposed on the deck of the bridge foot boat.
10. The floating platform for integrated construction of the water pile foundation according to claim 1, wherein a land shore anchor is adopted in the mooring system, the shore anchor is designed to be similar to a soil nail anchor rod structure, 3 high-strength steel strands with loose bottoms are adopted as soil nails, and M20 mortar is adopted as soil nail grouting materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211573260.9A CN116080841A (en) | 2022-12-08 | 2022-12-08 | Floating platform for integrated construction of water pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211573260.9A CN116080841A (en) | 2022-12-08 | 2022-12-08 | Floating platform for integrated construction of water pile foundation |
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| Publication Number | Publication Date |
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| CN116080841A true CN116080841A (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211573260.9A Pending CN116080841A (en) | 2022-12-08 | 2022-12-08 | Floating platform for integrated construction of water pile foundation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625425A (en) * | 2015-12-31 | 2016-06-01 | 中交第二航务工程局有限公司 | Construction method for carrying out pile sinking based on floating walking platform |
| CN105926628A (en) * | 2016-06-12 | 2016-09-07 | 中交公局第三工程有限公司 | Device for underwater pile foundation construction platform convertible in floating and fixing |
| CN205804182U (en) * | 2016-06-01 | 2016-12-14 | 中国铁建大桥工程局集团有限公司 | A kind of land pebble and the novel combined work platforms in argillaceous sandstone district |
| CN106428447A (en) * | 2016-12-06 | 2017-02-22 | 大连理工大学 | Ultra-large type multi-floating-body semi-submersible floating platform |
| CN106978778A (en) * | 2017-05-18 | 2017-07-25 | 中铁第五勘察设计院集团有限公司 | A kind of navigable overhead railway bridge of boats |
| CN107499968A (en) * | 2017-09-11 | 2017-12-22 | 上海振华重工(集团)股份有限公司 | A kind of unloading method of bridge crane in shallow draft quay |
| CN208167744U (en) * | 2018-03-16 | 2018-11-30 | 中国葛洲坝集团第五工程有限公司 | A kind of boom hoisting for Overwater floating job platform decentralization pile foundation steel pile casting |
| CN211340426U (en) * | 2019-07-30 | 2020-08-25 | 中铁上海工程局集团有限公司 | Main bridge water mound construction platform structure |
| CN217580865U (en) * | 2022-05-07 | 2022-10-14 | 四川公路桥梁建设集团有限公司 | Large-diameter steel casing drilling platform under deep water slope bare rock geological condition |
-
2022
- 2022-12-08 CN CN202211573260.9A patent/CN116080841A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625425A (en) * | 2015-12-31 | 2016-06-01 | 中交第二航务工程局有限公司 | Construction method for carrying out pile sinking based on floating walking platform |
| CN205804182U (en) * | 2016-06-01 | 2016-12-14 | 中国铁建大桥工程局集团有限公司 | A kind of land pebble and the novel combined work platforms in argillaceous sandstone district |
| CN105926628A (en) * | 2016-06-12 | 2016-09-07 | 中交公局第三工程有限公司 | Device for underwater pile foundation construction platform convertible in floating and fixing |
| CN106428447A (en) * | 2016-12-06 | 2017-02-22 | 大连理工大学 | Ultra-large type multi-floating-body semi-submersible floating platform |
| CN106978778A (en) * | 2017-05-18 | 2017-07-25 | 中铁第五勘察设计院集团有限公司 | A kind of navigable overhead railway bridge of boats |
| CN107499968A (en) * | 2017-09-11 | 2017-12-22 | 上海振华重工(集团)股份有限公司 | A kind of unloading method of bridge crane in shallow draft quay |
| CN208167744U (en) * | 2018-03-16 | 2018-11-30 | 中国葛洲坝集团第五工程有限公司 | A kind of boom hoisting for Overwater floating job platform decentralization pile foundation steel pile casting |
| CN211340426U (en) * | 2019-07-30 | 2020-08-25 | 中铁上海工程局集团有限公司 | Main bridge water mound construction platform structure |
| CN217580865U (en) * | 2022-05-07 | 2022-10-14 | 四川公路桥梁建设集团有限公司 | Large-diameter steel casing drilling platform under deep water slope bare rock geological condition |
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Application publication date: 20230509 |