CN201857618U - Floating guide platform and steel casing supported drilling platform deepwater pile foundation - Google Patents

Floating guide platform and steel casing supported drilling platform deepwater pile foundation Download PDF

Info

Publication number
CN201857618U
CN201857618U CN2010206020665U CN201020602066U CN201857618U CN 201857618 U CN201857618 U CN 201857618U CN 2010206020665 U CN2010206020665 U CN 2010206020665U CN 201020602066 U CN201020602066 U CN 201020602066U CN 201857618 U CN201857618 U CN 201857618U
Authority
CN
China
Prior art keywords
platform
steel
steel casing
guide
crossbeam
Prior art date
Application number
CN2010206020665U
Other languages
Chinese (zh)
Inventor
唐勇
乔胜俊
魏亚洲
黄金平
倪红
陈明凯
冉志华
周开荒
Original Assignee
四川路桥桥梁工程有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 四川路桥桥梁工程有限责任公司 filed Critical 四川路桥桥梁工程有限责任公司
Priority to CN2010206020665U priority Critical patent/CN201857618U/en
Application granted granted Critical
Publication of CN201857618U publication Critical patent/CN201857618U/en

Links

Abstract

A floating guide platform and steel casing supported drilling platform deepwater pile foundation is characterized by comprising a floating guide platform and a steel casing supported drilling platform, wherein the steel casing supported drilling platform is installed by the aid of the floating guide construction platform, and during installation, steel wire ropes are used for anchoring and connection of the floating guide construction platform with the steel casing supported drilling platform. Construction of the deepwater pile foundation is not limited by site terrains and geological conditions, operability is high, ships are fully utilized for assembling the water floating construction platform, no large-sized water floating crane is utilized, construction is flexible and convenient, temporary steel pipe pile support is omitted from the steel casing supported drilling platform, and materials are economized. Simultaneously, the platform foundation is stabilized by the aid of concrete rafts at the bottom of the platform, stability of the drilling construction platform is ensured, the platform steel pipe piles and steel casings are supported and stabilized without bedrock covering, construction safety is guaranteed, application range is wide, and the deepwater pile foundation has certain economic benefit and social benefit.

Description

Floating guide table and steel casing support drilling platform deep water pile foundation

Technical field:

The utility model relates to the braced structures in the bridge construction, is applicable to bridge deep water pile foundation, specifically is that a kind of floating guide table and steel casing support drilling platform construction deep water pile foundation.

Background technology:

The bridge deepwater Pile Foundation Construction generally adopts steel pipe pile and steel casing to form the pile foundation construction platform, utilizes large-scale floating crane equipment to carry out the construction that underwater work is finished pile foundation.But in Upper Yangtze River or lake bridge construction, owing to be subjected to restrictions such as navigation channel, lack large-scale floating lifting appliance, cause material when subaqueous work, the lifting transportation of equipment is difficulty comparatively, simultaneously, bridge foundation position geological condition is comparatively complicated, bridge location often is in above the exposed basement rock, the basement rock angle of inclination is bigger, and covering layer is thinner, adopts conventional steel pipe pile very difficult as the drilling platform construction, and steel pipe pile and steel casing can't be stablized by build-in, therefore adopt floating guiding operation platform and steel casing to support drilling platform construction deep water pile foundation, well solved this difficult problem.

The utility model content:

The purpose of this utility model be overcome above-mentioned steel pipe pile and steel casing can't the stable constructional difficulties of build-in, a kind of new bridge deepwater Pile Foundation Construction is provided, has the floating guide table of certain economic benefits and social benefit and steel casing to support drilling platform deep water pile foundation.

The technical solution of the utility model is achieved in that a kind of floating guiding operation platform and steel casing support drilling platform deep water pile foundation, it is characterized in that supporting drilling platform by floating guiding operation platform and steel casing constitutes, carry out the steel casing by floating guiding operation platform and support the drilling platform installation, be connected by the steel cable anchoring therebetween, its floating guiding operation platform is by barge or cargo vessel, the hull section steel reinforcement supports, the shaped steel base for supporting, straddle truck universal rod body column, connect midship beam, straddle truck universal rod body crossbeam, the 2[16 distribution beam, the I20 distribution beam, track, the tripod crossbeam, flatcar, triangle frame end framework, tripod main longitudinal grider operating platform, following guide beam, last guide beam, mobile platform, preceding anchor line, back anchor line is formed, barge is welded on the support of hull section steel reinforcement hull is reinforced, welding shaped steel base for supporting on shaped steel, welding universal rod body column on the shaped steel base for supporting, the company's of employing midship beam connects between the column, column top assembly unit universal rod body crossbeam, on the universal rod body crossbeam, lay the 2[16 distribution beam, I20 distribution beam and track, flatcar and tripod crossbeam are installed, on crossbeam, establish track and flatcar as suspension centre, assembly unit triangle frame end framework on the shaped steel base for supporting, be connected with tripod main longitudinal grider operating platform by steel pin, adopt guide beam down between the operating platform, last guide beam is connected into integral body, guide beam is connected by bolt with operating platform, and on operating platform, lay shaped steel as mobile platform, the floating platform navigation system is by preceding anchor line, back anchor line is anchored on the concrete in water anchorage and positions, anchor line is connected with hoist engine on the ship, and hoist engine is weldingly fixed on the ship;

Its steel casing support drilling platform by joint cover under the diagonal brace, [16 diagonal braces, lower floor's steel corbel, the vertical connection of 2[32b, upper strata steel corbel, last bracket suspension rod, 2[32b horizontal-associate, I45b longeron, I45b crossbeam, I25b distribution beam, steel casing, caisson, plate raft, concrete gunnysack, panel are formed; The steel casing sets by vibrating hammer, joint cover under welding diagonal brace on the steel casing, [16 diagonal braces are installed, the diagonal brace lower end is connected by bolt with the diagonal brace lower connecting plate to be convenient to remove, diagonal brace upper end and the welding of steel casing, adopt the welding of 2[32b horizontal-associate to be linked to be integral body between the steel casing, establish caisson at floating guide platform suspension centre down to the position, riverbed, be provided with the concrete gunnysack in the caisson outside, build plate raft concrete, be fixedly connected into integral body with the steel casing, the firm bracket of welding lower floor on the steel casing, the firm bracket in upper strata, on the firm bracket of lower floor, lay the I45b longeron, by last bracket suspension rod longeron is hung on last bracket simultaneously, on longeron, lay the I45b crossbeam, the I25b distribution beam, longeron, crossbeam, adopt respectively between the distribution beam to be welded to connect, and on the I25b distribution beam, lay plank as panel.The erection construction pontoon bridge, assembly unit floating guide table, and in place, anchoring, utilize floating guiding operation platform that the steel casing is installed, flat connection is set between the steel casing, caisson is installed, build plate raft concrete stable platform basis, the casing top is provided with the flat joint group of shaped steel and becomes the drilling construction platform, carries out the pile foundation drilling construction.

The utility model adopts floating guide table and steel casing to support drilling platform construction deep water pile foundation, not only innovate and enriched the form of construction work of bridge of the same type, help simplifying and improving construction technology simultaneously, overcome on-the-spot unfavorable factor, accelerated progress, guarantee quality, safety and environmental protection, therefore obtained certain economic benefits and social benefit.Be specially construction and not limited by site contour and geological conditions, workable, make full use of ship, floating operation platform in the assembly unit water does not rely on crane barge equipment in the large-scale water, and is flexible; The steel casing supports drilling platform, cancellation temporary steel pile tube supports, save material, simultaneously by concrete plate raft stable platform basis, platform bottom, guarantee the stability of drilling construction platform, do not need to rely on the basement rock covering layer to support stable platform steel pipe pile and steel casing, guaranteed construction safety, applied widely.

Description of drawings:

Fig. 1 is that floating guide table and steel casing support drilling platform construction integral arrangement structural representation

Fig. 2-the 1st, floating guide table straddle truck structural representation

Fig. 2-the 2nd, floating guide table operating platform structural representation

Fig. 3-the 1st, floating guide table layout and flow implementation example 1 figure

Fig. 3-the 2nd, floating guide table layout and flow implementation example 2 figure

Fig. 3-the 3rd, floating guide table layout and flow implementation example 3 figure

Fig. 3-the 4th, floating guide table layout and flow implementation example 4 figure

Fig. 4-the 1st, steel casing support drilling construction platform direction across bridge and arrange schematic diagram

Fig. 4-the 2nd, steel casing support drilling construction platform bracket and arrange schematic diagram to flat connection in length and breadth

Fig. 4-the 3rd, steel casing support drilling construction platform longeron, crossbeam is arranged schematic diagram

Fig. 4-the 4th, steel casing support drilling construction deck roof distribution beam and arrange schematic diagram

Among the figure: 1-floating guiding operation platform; 2-steel casing supports the drilling construction platform; The 3-pile foundation; 2.1-barge or cargo vessel; 2.2-the hull section steel reinforcement supports; 2.3-shaped steel base for supporting; 2.4-connect midship beam; 2.5-omnipotent of column straddle truck; 2.6-universal rod body crossbeam straddle truck; 2.7-2[16 distribution beam; 2.8-I20 distribution beam; 2.9-track; 2.10-tripod crossbeam; 2.11-flatcar; 2.12-triangle frame end framework; 2.13-tripod main longitudinal grider operating platform; 2.14-following guide beam; 2.15-last guide beam; 2.16-mobile platform; 2.17-preceding anchor line; 2.18-back anchor line; 3.1-joint cover under the diagonal brace; 3.2-[16 diagonal brace; 3.3-lower floor's steel corbel; 3.4-2[32b vertical connection; 3.5-upper strata steel corbel; 3.6-last bracket suspension rod; 3.7-2[32b horizontal-associate; 3.8-I45b longeron; 3.9-I45b crossbeam; 3.10-I25b distribution beam; 3.11-steel casing; 3.12-caisson; 3.13-plate raft; 3.14-concrete gunnysack; 3.15-panel.

The specific embodiment:

Below in conjunction with accompanying drawing the utility model is further specified, the utility model is not limited to the following examples.

Fig. 1 is that floating guide table and steel casing support drilling platform construction general arrangement schematic, and 1 is the floating guide table among the figure, and 2 are steel casing support drilling platform.Elder generation's assembly unit floating guide table 1 during construction, and in place, anchoring utilize floating guide table 1 installation steel casing to support drilling platform 2 again, utilize floating guide table 1 and steel casing to support drilling platform 2 at last and carry out the pile foundation drilling construction.

Shown in Fig. 1-4: a kind of floating guide table and steel casing support drilling platform deep water pile foundation, supporting drilling platform 2 by floating guide table 1 and steel casing constitutes, carry out the steel casing by floating guiding operation platform and support the drilling platform installation, be connected by the steel cable anchoring therebetween, its floating guide table is by barge or cargo vessel 2.1, the hull section steel reinforcement supports 2.2, shaped steel base for supporting 2.3, universal rod body column 2.5, connect midship beam 2.4, universal rod body crossbeam 2.6,2[16 distribution beam 2.7, I20 distribution beam 2.8, track 2.9, tripod crossbeam 2.10, flatcar 2.11, triangle frame end framework 2.12, tripod main longitudinal grider operating platform 2.13, following guide beam 2.14, last guide beam 2.15, mobile platform 2.16, preceding anchor line 2.17, back anchor line 2.18 is formed, barge 2.1 is welded in the hull section steel reinforcement support 2.2 hull is reinforced, welding shaped steel base for supporting 2.3 on shaped steel, welding universal rod body column 2.5 on the shaped steel base for supporting 2.3, the company's of employing midship beam 2.4 connects between the column 2.5, column 2.5 top assembly unit universal rod body crossbeams 2.6, on universal rod body crossbeam 2.6, lay 2[16 distribution beam 2.7, I20 distribution beam and track 2.8, flatcar 11 and tripod crossbeam 2.10 are installed, on crossbeam 2.10, establish track 2.9 and 30t flatcar 11 assembly unit triangle frame end framework 2.12 on shaped steel base for supporting 2.3, be connected with tripod main longitudinal grider operating platform 2.13 by steel pin, adopt guide beam 2.14 down between the operating platform 2.13, last guide beam 2.15 is connected into integral body, guide beam 2.14,2.15 be connected by bolt with operating platform 2.13, and on operating platform 2.13, lay shaped steel as mobile platform 2.16, floating guide table 1 navigation system is by preceding anchor line 2.17, back anchor line 2.18 is anchored on the concrete in water anchorage and positions, anchor line is connected with hoist engine on the ship, and hoist engine is weldingly fixed on upper and lower integrator of ship.

Its steel casing support drilling platform 2 by joint cover under the diagonal brace 3.1, [16 diagonal braces 3.2, lower floor's steel corbel 3.3, the vertical connection 3.4 of 2[32b, upper strata steel corbel 3.5, go up bracket suspension rod 3.6,2[32b horizontal-associate 3.7, I45b longeron 3.8, I25b distribution beam 3.10, steel casing 3.11, caisson 3.12, plate raft 3.13, concrete gunnysack 3.14, panel 3.15 and form; Steel casing 3.11 sets by vibrating hammer, joint cover 3.1 under welding diagonal brace on the steel casing 3.11, [16 diagonal braces 3.2 are installed, joint cover 3.1 is connected by bolt under diagonal brace 3.2 lower ends and the diagonal brace, diagonal brace 3.2 upper ends and 3.11 welding of steel casing, adopt 3.7 welding of 2[32b horizontal-associate to be linked to be integral body between the steel casing 3.11, establish caisson 3.12 at floating guide platform 1 suspension centre down to the position, riverbed, be provided with concrete gunnysack 3.14 in caisson 3.12 outsides, build plate raft concrete 3.13, be fixedly connected into integral body with steel casing 3.11, the firm bracket 3.3 of welding lower floor on steel casing 3.11, the firm bracket 3.4 in upper strata, on the firm bracket 3.3 of lower floor, lay I45b longeron 3.9, by last bracket suspension rod 3.6 I45b longeron 3.8 is hung on upper strata steel corbel 3.5 simultaneously, on longeron 3.8, lay I45b crossbeam 3.9, I25b distribution beam 3.10, I45b longeron 3.8, I45b crossbeam 3.9, adopt respectively between the I25b distribution beam 3.10 to be welded to connect, and on I25b distribution beam 3.10, lay plank as panel 3.15.Adopt floating guide table 1 and steel casing to support drilling platform 2 deep water pile foundations, the erection construction pontoon bridge, assembly unit floating guide table, and in place, anchoring, adopt floating guide table 1 that steel casing 3.11 is installed, flat connection is set between the steel casing 3.11, caisson 3.12 is installed, build plate raft concrete 3.13 stable platform bases, the casing top is provided with the flat joint group of shaped steel and becomes the drilling construction platform, carries out the pile foundation drilling construction.

Claims (1)

1. floating guiding operation platform and steel casing support drilling platform deep water pile foundation, it is characterized in that supporting drilling platform (2) by floating guide table (1) and steel casing constitutes, carry out the steel casing by floating guiding operation platform and support the drilling platform installation, be connected by the steel cable anchoring therebetween, its floating guide table (1) is by barge (2.1), the hull section steel reinforcement supports (2.2), shaped steel base for supporting (2.3), universal rod body column (2.5), connect midship beam (2.4), universal rod body crossbeam (2.6), 2[16 distribution beam (2.7), I20 distribution beam (2.8), track (2.9), tripod crossbeam (2.10), flatcar (2.11), triangle frame end framework (2.12), tripod main longitudinal grider operating platform (2.13), following guide beam (2.14), last guide beam (2.15), mobile platform (2.16), preceding anchor line (2.17), back anchor line (2.18) is formed, barge (2.1) is welded on the hull section steel reinforcement and supports on (2.2), welding shaped steel base for supporting (2.3) on shaped steel, go up welding universal rod body column (2.5) at die base for supporting (2.3), the company's of employing midship beam (2.4) connects between the column (2.5), column (2.5) top assembly unit universal rod body crossbeam (2.6), on universal rod body crossbeam (2.6), lay 2[16 distribution beam (2.7), I20 distribution beam (2.8) and track (2.9), flatcar (11) and tripod crossbeam (2.10) are installed, on crossbeam (2.10), establish track (2.9) and flatcar (11), go up assembly unit triangle frame end framework (2.12) at shaped steel base for supporting (2.3), be connected with tripod main longitudinal grider operating platform (2.13) by steel pin, adopt guide beam (2.14) down between the tripod main longitudinal grider operating platform (2.13), last guide beam (2.15) is connected into integral body, guide beam (2.14,2.15) be connected by bolt with tripod main longitudinal grider operating platform (2.13), and on operating platform (2.13), lay shaped steel as mobile platform (2.16), floating guide table (1) navigation system is by preceding anchor line (2.17), back anchor line anchor (2.18) is solid locatees on the concrete in water anchorage, anchor line (2.17,2.18) be connected with hoist engine on the ship, hoist engine is weldingly fixed on the ship;
Its steel casing support drilling platform (2) by joint cover under the diagonal brace (3.1), [16 diagonal braces (3.2), lower floor's steel corbel (3.3), the vertical connection of 2[32b (3.4), upper strata steel corbel (3.5), go up bracket suspension rod (3.6), 2[32b horizontal-associate (3.7), I45b longeron (3.8), I25b distribution beam (3.10), steel casing (3.11), caisson (3.12), plate raft (3.13), concrete gunnysack (3.14), panel (3.15) and form; Steel casing (3.11) sets by vibrating hammer, go up joint cover (3.1) under the welding diagonal brace at steel casing (3.11), [16 diagonal braces (3.2) are installed, diagonal brace (3.2) lower end is connected by bolt with diagonal brace lower connecting plate (3.1), diagonal brace (3.2) upper end and steel casing (3.11) welding, adopt 2[32b horizontal-associate (3.7) welding to be linked to be integral body between the steel casing (3.11), establish caisson (3.12) down to the position, riverbed at floating guide platform (1) suspension centre, be provided with concrete gunnysack (3.14) in caisson (3.12) outside, build plate raft concrete (3.13), be fixedly connected into integral body with steel casing (3.11), go up welding lower floor's steel corbel (3.3) at steel casing (3.11), upper strata steel corbel (3.5), go up laying I45b longeron (3.9) at lower floor's steel corbel (3.3), by last bracket suspension rod (3.6) I45b longeron (3.8) is hung on upper strata steel corbel (3.5) simultaneously, go up laying I45b crossbeam (3.8) at longeron (3.8), I25b distribution beam (3.10), I45b longeron (3.8), I45b crossbeam (3.9), adopt respectively between the I25b distribution beam (3.10) to be welded to connect, and go up the laying plank as panel (3.15) in I25b distribution beam (3.10).
CN2010206020665U 2010-11-11 2010-11-11 Floating guide platform and steel casing supported drilling platform deepwater pile foundation CN201857618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206020665U CN201857618U (en) 2010-11-11 2010-11-11 Floating guide platform and steel casing supported drilling platform deepwater pile foundation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206020665U CN201857618U (en) 2010-11-11 2010-11-11 Floating guide platform and steel casing supported drilling platform deepwater pile foundation

Publications (1)

Publication Number Publication Date
CN201857618U true CN201857618U (en) 2011-06-08

Family

ID=44103428

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206020665U CN201857618U (en) 2010-11-11 2010-11-11 Floating guide platform and steel casing supported drilling platform deepwater pile foundation

Country Status (1)

Country Link
CN (1) CN201857618U (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102312442A (en) * 2011-07-01 2012-01-11 中铁大桥局股份有限公司 Construction method of trestle steel pipe pile foundation
CN102409613A (en) * 2011-08-17 2012-04-11 中国十七冶集团有限公司 Construction method for installing steel beam of plank road built along mountain and near river
CN102817342A (en) * 2012-08-27 2012-12-12 中铁九桥工程有限公司 Construction technology of in-situ assembly under pile foundation construction platform of double-wall steel cofferdam
CN102828496A (en) * 2012-08-23 2012-12-19 中交第二航务工程局有限公司 Tool type pile foundation drilling platform based on HSE (Health, Safety and Environmental) management system
CN104514219A (en) * 2014-12-12 2015-04-15 中铁十九局集团有限公司 In-water drilled pile foundation construction system capable of recovering steel protective barrels and construction method thereof
CN105604061A (en) * 2016-01-28 2016-05-25 中铁上海工程局集团第五工程有限公司 Floating-type device for rock embedment mounting of steel pipe pile in water and construction method thereof
CN106522211A (en) * 2016-11-30 2017-03-22 中铁十六局集团第三工程有限公司 Pile foundation construction device and pile foundation construction method for bridge pier tubular pile
CN106610343A (en) * 2015-10-27 2017-05-03 张志国 A pier counterforce closing force system self-balance-type railway cast-in-situ beam static load test apparatus
CN107313416A (en) * 2017-07-07 2017-11-03 中交二航局第三工程有限公司 Hydraulic element pin-connected panel prefabricated platform waterborne and method for prefabricating
WO2018045772A1 (en) * 2016-09-09 2018-03-15 中交第二航务工程局有限公司 Construction method and construction system for overwater bored piles based on incremental launching movement platform

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102312442A (en) * 2011-07-01 2012-01-11 中铁大桥局股份有限公司 Construction method of trestle steel pipe pile foundation
CN102409613A (en) * 2011-08-17 2012-04-11 中国十七冶集团有限公司 Construction method for installing steel beam of plank road built along mountain and near river
CN102409613B (en) * 2011-08-17 2013-10-16 中国十七冶集团有限公司 Construction method for installing steel beam of plank road built along mountain and near river
CN102828496A (en) * 2012-08-23 2012-12-19 中交第二航务工程局有限公司 Tool type pile foundation drilling platform based on HSE (Health, Safety and Environmental) management system
CN102817342A (en) * 2012-08-27 2012-12-12 中铁九桥工程有限公司 Construction technology of in-situ assembly under pile foundation construction platform of double-wall steel cofferdam
CN104514219A (en) * 2014-12-12 2015-04-15 中铁十九局集团有限公司 In-water drilled pile foundation construction system capable of recovering steel protective barrels and construction method thereof
CN106610343A (en) * 2015-10-27 2017-05-03 张志国 A pier counterforce closing force system self-balance-type railway cast-in-situ beam static load test apparatus
CN105604061A (en) * 2016-01-28 2016-05-25 中铁上海工程局集团第五工程有限公司 Floating-type device for rock embedment mounting of steel pipe pile in water and construction method thereof
CN105604061B (en) * 2016-01-28 2018-12-28 中铁上海工程局集团第五工程有限公司 A kind of surface unit and its construction method entering rock installation for steel-pipe pile in water
WO2018045772A1 (en) * 2016-09-09 2018-03-15 中交第二航务工程局有限公司 Construction method and construction system for overwater bored piles based on incremental launching movement platform
CN106522211A (en) * 2016-11-30 2017-03-22 中铁十六局集团第三工程有限公司 Pile foundation construction device and pile foundation construction method for bridge pier tubular pile
CN107313416A (en) * 2017-07-07 2017-11-03 中交二航局第三工程有限公司 Hydraulic element pin-connected panel prefabricated platform waterborne and method for prefabricating

Similar Documents

Publication Publication Date Title
JP2018162655A (en) Final joint of immersed tunnel as well as prefabrication method and installation method
CN101429752B (en) Pier column prefabrication splicing building technology
US9567720B2 (en) Offshore platform for a marine environment
CN101736754B (en) Offshore wind power unit foundation adopting prestressed concrete cylindrical structure
CN101864773B (en) Deep foundation pit support process
US7815398B2 (en) Methods of positioning an elevating support vessel
US20110305523A1 (en) Support structure for use in the offshore wind farm industry
CN106103983A (en) The method assembling floatation type wind turbine platform
US20110158784A1 (en) Arm assembly and methods of passing a pipe from a first vessel to a second vessel using the arm assembly
KR20120047740A (en) Deck ascent and descent type worktable ship and construction method of shore wind power generation facility using the same
CN202007400U (en) Marine foundation construction platform for jacket construction
CN101768978B (en) At-sea wind generation unit foundation formed by barrel type foundation and mooring rope anchor
US4018057A (en) Off shore structures
CN103510529B (en) Steel hanging box system for underwater high-rise pile cap construction and construction technology thereof
CN103924566B (en) A kind of Single Pile self-elevating drilling platform
CN101949146B (en) Offshore auxiliary construction platform device and using method thereof
CN201695381U (en) Three-cylindrical foundation one-legged mooring platform
US20080237170A1 (en) Extension Bridges and methods of tender assist
CN101775809B (en) Construction method of marine self-floating type steel soleplate single-wall suspension box cofferdam and single-wall suspension box cofferdam
CN103741657B (en) The construction method of large-sized multifunction waterborne traffic accident
JP2643049B2 (en) Floating structure
CN101804849B (en) Construction program of semi-submersible platform for offshore oil and gas development
WO2008152516A2 (en) Elevating support vessel and methods thereof
WO2009027825A2 (en) Work-over rig assembly and methods thereof
CN101368389B (en) Single and double-wall combined steel cofferdam construction method and its single and double-wall combined steel cofferdam

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CX01 Expiry of patent term

Granted publication date: 20110608

CX01 Expiry of patent term