CN104481147B - A kind of offshore reinforced concrete frame structure rapid constructing method - Google Patents
A kind of offshore reinforced concrete frame structure rapid constructing method Download PDFInfo
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- CN104481147B CN104481147B CN201410607115.7A CN201410607115A CN104481147B CN 104481147 B CN104481147 B CN 104481147B CN 201410607115 A CN201410607115 A CN 201410607115A CN 104481147 B CN104481147 B CN 104481147B
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Abstract
The invention provides a kind of offshore reinforced concrete frame structure rapid constructing method, including: S01, beam column frame are prefabricated: adopt concrete to precast the beam column frame being made up of vertical post and the beam crisscross no less than one layer of level at smooth void spaces；S02, beam column frame integral hoisting: when beam column frame concrete cast-in-situ completes and intensity reaches design strength, employing side refutes and transports, and lifts with crane ship；S03, cast-in-situ floor concrete: adopt and dispose blender to carry out concrete-agitating on mixer ship or platform, loop wheel machine suspension bucket puts in storage and carries out floorboard and build；S04, masonry, decorative engineering are constructed: carry out masonry, decorative engineering construction at beam column frame。The present invention adopts integral prefabricated hoisting, improves construction efficiency, shortens the duration。
Description
Technical field
The present invention relates to Port Engineering Construction field, be specifically related to a kind of offshore reinforced concrete frame structure rapid constructing method。
Background technology
In recent years, along with the development of modern port engineering, pier body engineering distance inland is more and more remote, and execution conditions are more and more severe, and harbour service tends to offshore, deep water, off-lying sea。At present, the construction operation of off-lying sea pier body and harbour face affiliated facility thereof relies primarily on mixer ship, Fang Bo etc. and realizes, but owing to mixer ship technique need to be equipped with more ship machine equipment, capacity of anti-storm is poor, mobility is not strong, plus being surged, the impact of monsoon, the factor such as greasy weather so that off-lying sea Wharf Engineering effective operation natural law is few, cannot ensure project progress。For the construction of harbour face affiliated facility (as controlled building) etc., the transport of construction material, handling etc. are also subjected to very big restriction。Therefore, for above-mentioned situation, a kind of new offshore reinforced concrete frame structure quick construction technology need to be sought in pole, reduces construction costs with this, improves efficiency of construction, it is ensured that the construction period。
Being not difficult to find out, prior art there is also certain defect。
Summary of the invention
The technical problem to be solved is to provide a kind of offshore reinforced concrete frame structure rapid constructing method, adopts integral prefabricated hoisting, improves construction efficiency, shortens the duration。
For achieving the above object, the present invention is by the following technical solutions:
A kind of offshore reinforced concrete frame structure rapid constructing method, comprises the following steps:
S01, beam column frame are prefabricated: adopt concrete to precast the beam column frame being made up of vertical post and the beam crisscross no less than one layer of level at smooth void spaces；
S02, beam column frame integral hoisting: when beam column frame concrete cast-in-situ completes and intensity reaches design strength, employing side refutes and transports, and lifts with crane ship；
S03, cast-in-situ floor concrete: adopt and dispose blender to carry out concrete-agitating on mixer ship or platform, loop wheel machine suspension bucket puts in storage and carries out floorboard and build；
S04, masonry, decorative engineering are constructed: carry out masonry, decorative engineering construction at beam column frame。
Further, described step S01 includes:
S011, levelling of the land suitable in condition void spaces casting concrete backing plate as bed die；
S012, beam column frame carry out padded prefabricated, choose two parallel beams as padded backbar, and the post under padded backbar is as padded support column；To adopting steel-support bottom the padded support column of each bar, shaped steel is adopted to imbed bottom padded support column, the reserved column vertical rib vertically arranged in shaped steel both sides；Other post adopts hollow brick supporting, hollow brick supporting internal reservation reinforcing bar space。
Further, the difference in height of wantonly two layers of concretes in described step S011 is not more than 5mm。
Further, described step S012 includes:
S0121, build the laggard row scaffold building of layers of concrete, carrying out beam bottom board installation, then carry out post, beam steel bar colligation and model sheetinstallat, all posts are built together with beam, wherein choosing two parallel beams as padded backbar, the post under padded backbar is as padded support column；
S0122, arranging suspension centre on padded backbar on the intersection point of each beam in length and breadth, suspension centre bottom is embedded in the concrete of beam in length and breadth, builds with concrete and set reinforcement angle and reinforce between suspension centre and beam in length and breadth。
Further, described step S02 includes:
S021, before beam column frame dress is refuted, first barge deck is carried out smooth measurement, and surveys above deck and set post position, and measure the relative relief on each deck, place, post position, and carry out leveling according to measurement result steel plate, make post position relative relief control in 5mm；
Before S022, lifting, first on beam column frame, set up the work platforms linked up with, guard rail rod that work platforms must be set up defences；Then pass through crane ship to lift, utilize hoist cable and suspender to be sling by beam column frame by suspension centre, again through on the deck that the beam column frame side of being placed on is refuted by crane ship stranded cable；After beam column frame dress has been refuted, section steel reinforcement is adopted to refute on deck in side every padded support column immediately；
S023, side refute and haul beam column frame to erecting bed, and during haul, Oversea wind cannot be greater than 6 grades；
Survey size according to framework before S024, installation on the platform of erecting bed harbour, release the outer edge of steel-support；During the construction of flat surface layer concrete, pre-buried platform steel plate on each post position, steel plate sets dowel and is connected with platform concrete edge；Beam column frame is lifted on platform by crane ship and installs, and beam column frame is installed after putting in place, and by each bar post and platform Plate Welding, column vertical rib staggers overlap joint single-sided welding up and down；Build employing non-shrinking concrete。
Further, in described step S022 and S024: during lifting, side refutes and moors the dead ahead in harbour；Lifting vessel is in the side of harbour, and refutes quadrature arrangement with side。
Further, described step S03 includes:
S031, adopt mixer ship or on platform dispose blender concrete is stirred；
S032, concreting go out floor。
A kind of offshore reinforced concrete frame structure rapid constructing method provided by the present invention, has the advantage that
Beam column frame adopts integral prefabricated hoisting, decreases that off-lying sea stormy waves condition is big and the foggy weather impact on construction operations such as concretings, improves construction efficiency, shortens the duration；
Decrease marine raw material freight volume and concreting side's amount, and then decrease the machine-team number needed for ship machine equipment, reduce construction costs；
Decrease off-lying sea template peace tear open, the workload such as reinforcing bar binding, improve construction quality, reduce construction safety risk。
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
The schematic flow sheet of a kind of offshore reinforced concrete frame structure rapid constructing method that Fig. 1 provides for the embodiment of the present invention。
Fig. 2 is the structural representation of beam column frame。
Fig. 3 is the structural representation of suspension centre。
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the embodiment of the present invention and accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described。It should be noted that described embodiment a part of embodiment that is only the present invention, rather than whole embodiment。Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention。
Embodiment
Refer to Fig. 1, present embodiment discloses a kind of offshore reinforced concrete frame structure rapid constructing method, comprise the following steps:
S01, beam column frame are prefabricated: adopt concrete to precast the beam column frame being made up of vertical post and the beam crisscross no less than one layer of level at smooth void spaces；
S02, beam column frame integral hoisting: when beam column frame concrete cast-in-situ completes and intensity reaches design strength, employing side refutes and transports, and lifts with crane ship；
S03, cast-in-situ floor concrete: adopt and dispose blender to carry out concrete-agitating on mixer ship or platform, loop wheel machine suspension bucket puts in storage and carries out floorboard and build；
S04, masonry, decorative engineering are constructed: carry out masonry, decorative engineering construction at beam column frame。
The present invention and maximum being improved by of prior art: beam column frame be land is prefabricated complete after again through crane ship integral hoisting to erecting bed。Prior art is the scheme adopting and directly carrying out pouring construction in erecting bed, and off-lying sea operation is more, is affected relatively big by environment and weather, and task difficulty is greatly improved, and not only reduces construction quality, too increases construction efficiency。Scheme relative to prior art, beam column frame is the prefabricated difficulty not only reducing pouring construction on land, eliminate that off-lying sea stormy waves condition is big and the foggy weather impact on construction operations such as concretings, improve work efficiency, reduce man-hour, more can reduce off-lying sea operation, improve construction quality, reduce construction safety risk。
Referring to Fig. 2, as preferably, described step S01 farther includes:
S011, levelling of the land suitable in condition void spaces casting concrete backing plate as bed die；
S012, beam column frame carry out padded prefabricated, choose two parallel beams as padded backbar, and the post under padded backbar is as padded support column；To adopting steel-support bottom the padded support column of each bar, shaped steel is adopted to imbed bottom padded support column, the reserved column vertical rib vertically arranged in shaped steel both sides；Other post adopts hollow brick supporting, hollow brick supporting internal reservation reinforcing bar space。
In order to set forth the prefabricated of beam column frame better, for Fig. 2, in the present embodiment, the beam of beam column frame is 5X5 arranged in length and breadth。Quantity and the arrangement mode of beam can be changed during practice of construction according to practical situation, or increase auxiliary girder。The crisscross beam of beam column frame is made labelling respectively, the beam being laterally extending and longitudinally arrangement in Fig. 2 is respectively labeled as y1, y2, y3, y4, y5, the beam being longitudinally extending laterally arrangement is respectively labeled as x1, x2, x3, x4, x5。Choose beam y2 and beam y4 in the present embodiment as padded backbar, adopt steel-support；Other beam is vacant state when mounted, supports only with hollow brick, in order to aiding support, in order to ensure beam column frame supporting balance。Choose two beams as the purpose of padded backbar be in that to reduce dress refute with install during the STRESS VARIATION that causes because of layers of concrete difference in height。Meanwhile, as preferably, ensureing that the difference in height of wantonly two layers of concretes in described step S011 is not more than 5mm。
As preferably, described step S012 farther includes:
S0121, build the laggard row scaffold building of layers of concrete, carrying out beam bottom board installation, then carry out post, beam steel bar colligation and model sheetinstallat, all posts are built together with beam, wherein choosing two parallel beams as padded backbar, the post under padded backbar is as padded support column；
S0122, referring to Fig. 3, arrange suspension centre on padded backbar on the intersection point of each beam in length and breadth, suspension centre bottom is embedded in the concrete of beam in length and breadth, builds with concrete and set reinforcement angle and reinforce between suspension centre and beam in length and breadth。
Suspension centre is for the integral hoisting of beam column frame, and when crane ship carries out lifting operation, beam column frame is sling completely by suspension hook by suspension centre。Therefore, suspension centre must have enough bearing capacitys, it is preferable that is distributed on padded backbar。Suspension centre is played reinforcing Stabilization by the reinforcement angle between suspension centre and beam in length and breadth, it is prevented that rupture because of stand under load stress between suspension centre and beam。
As preferably, described step S02 farther includes:
S021, before beam column frame dress is refuted, first barge deck is carried out smooth measurement, and surveys above deck and set post position, and measure the relative relief on each deck, place, post position, and carry out leveling according to measurement result steel plate, make post position relative relief control in 5mm；
The integral hoisting of beam column frame, it is necessary to first the beam column frame built on land is refuted by the crane ship lifting side of loading onto and carry out dress and refute operation, then refuted by side beam column frame is transported the harbour to erecting bed, the platform of erecting bed it is lifted into by crane ship。Refuting due to side needs lift-launch beam column frame to transport, and needs in the process to ensure stablizing of beam column frame。Therefore deck need to be refuted in side and survey the post position setting beam column frame, and carry out leveling。
Before S022, lifting, first on beam column frame, set up the work platforms linked up with, guard rail rod that work platforms must be set up defences；Then pass through crane ship to lift, utilize hoist cable and suspender to be sling by beam column frame by suspension centre, again through on the deck that the beam column frame side of being placed on is refuted by crane ship stranded cable；After beam column frame dress has been refuted, section steel reinforcement is adopted to refute on deck in side every padded support column immediately；
Padded support column is refuted in side and is still played main supporting role on deck, refutes in view of side and in the process of transport, rocks tilt owing to the impact of the environment such as stormy waves may result in beam column frame on water route, so that beam column frame is taked the stabilizing measures of necessity。
S023, side refute and haul beam column frame to erecting bed, and during haul, Oversea wind cannot be greater than 6 grades；
In order to ensure transport, it is prevented that beam column frame is damaged in the process of transport, Oversea wind is if it exceeds 6 grades then stop transport。
Survey size according to framework before S024, installation on the platform of erecting bed harbour, release the outer edge of steel-support；During the construction of flat surface layer concrete, pre-buried platform steel plate on each post position, steel plate sets dowel and is connected with platform concrete edge；Beam column frame is lifted on platform by crane ship and installs, and beam column frame is installed after putting in place, and by each bar post and platform Plate Welding, column vertical rib staggers overlap joint single-sided welding up and down；Build employing non-shrinking concrete。
Scene first carries out before installation the basic skills that defence line is civil engineering, and the integral hoisting of beam column frame can be carried out pre-aligned accurately by the outer edge first releasing steel-support, and integral construction is carried out complete planning。Beam column frame installation has been welded column vertical rib after putting in place and namely the installation of beam column frame has been fixed。
As preferably, in described step S022 and S024: during lifting, side refutes and moors the dead ahead in harbour；Lifting vessel is in the side of harbour, and refutes quadrature arrangement with side。This arrangement can be refuted and interfere with each other with crane ship in the side of avoiding, and hampers operation each other。
As preferably, described step S03 farther includes:
S031, adopt mixer ship or on platform dispose blender concrete is stirred；
S032, concreting go out floor。
Finally, step S04 masonry, decorative engineering construction are carried out。
A kind of offshore reinforced concrete frame structure rapid constructing method provided by the invention, beam column frame adopts integral prefabricated hoisting, decrease that off-lying sea stormy waves condition is big and the foggy weather impact on construction operations such as concretings, improve construction efficiency, shorten the duration。This construction technology decreases the workload such as marine raw material freight volume and concreting side's amount and template peace in off-lying sea is torn open, reinforcing bar binding, and then decrease the machine-team number needed for ship machine equipment, reduce construction costs, improve construction quality, reduce construction safety risk。
Embodiment described above only have expressed one embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention。It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention。Therefore, the protection domain of patent of the present invention should be as the criterion with claims。
Claims (6)
1. an offshore reinforced concrete frame structure rapid constructing method, it is characterised in that comprise the following steps:
S01, beam column frame are prefabricated: adopt concrete to precast the beam column frame being made up of vertical post and the beam crisscross no less than one layer of level at smooth void spaces；
S02, beam column frame integral hoisting: when beam column frame concrete cast-in-situ completes and intensity reaches design strength, employing side refutes and transports, and lifts with crane ship；
S03, cast-in-situ floor concrete: adopt and dispose blender to carry out concrete-agitating on mixer ship or platform, loop wheel machine suspension bucket puts in storage and carries out floorboard and build；
S04, masonry, decorative engineering are constructed: carry out masonry, decorative engineering construction at beam column frame。
2. offshore reinforced concrete frame structure rapid constructing method according to claim 1, it is characterised in that described step S01 includes:
S011, levelling of the land suitable in condition void spaces casting concrete backing plate as bed die；
S012, beam column frame carry out padded prefabricated, choose two parallel beams as padded backbar, and the post under padded backbar is as padded support column；To adopting steel-support bottom the padded support column of each bar, shaped steel is adopted to imbed bottom padded support column, the reserved column vertical rib vertically arranged in shaped steel both sides；Other post adopts hollow brick supporting, hollow brick supporting internal reservation reinforcing bar space。
3. offshore reinforced concrete frame structure rapid constructing method according to claim 2, it is characterised in that: the difference in height of wantonly two layers of concretes in described step S011 is not more than 5mm。
4. offshore reinforced concrete frame structure rapid constructing method according to claim 2, it is characterised in that described step S012 includes:
S0121, build the laggard row scaffold building of layers of concrete, carrying out beam bottom board installation, then carry out post, beam steel bar colligation and model sheetinstallat, all posts are built together with beam, wherein choosing two parallel beams as padded backbar, the post under padded backbar is as padded support column；
S0122, arranging suspension centre on padded backbar on the intersection point of each beam in length and breadth, suspension centre bottom is embedded in the concrete of beam in length and breadth, builds with concrete and set reinforcement angle and reinforce between suspension centre and beam in length and breadth。
5. offshore reinforced concrete frame structure rapid constructing method according to claim 4, it is characterised in that described step S02 includes:
S021, before beam column frame dress is refuted, first barge deck is carried out smooth measurement, and surveys above deck and set post position, and measure the relative relief on each deck, place, post position, and carry out leveling according to measurement result steel plate, make post position relative relief control in 5mm；
Before S022, lifting, first on beam column frame, set up the work platforms linked up with, guard rail rod that work platforms must be set up defences；Then pass through crane ship to lift, utilize hoist cable and suspender to be sling by beam column frame by suspension centre, again through on the deck that the beam column frame side of being placed on is refuted by crane ship stranded cable；After beam column frame dress has been refuted, section steel reinforcement is adopted to refute on deck in side every padded support column immediately；
S023, side refute and haul beam column frame to erecting bed, and during haul, Oversea wind cannot be greater than 6 grades；
Survey size according to beam column frame before S024, installation on the platform of erecting bed harbour, release the outer edge of steel-support；During the construction of flat surface layer concrete, pre-buried platform steel plate on each post position, platform steel plate sets dowel and is connected with platform concrete edge；Beam column frame is lifted on platform by crane ship and installs, and beam column frame is installed after putting in place, and by each bar post and platform Plate Welding, column vertical rib staggers overlap joint single-sided welding up and down；Build employing non-shrinking concrete。
6. offshore reinforced concrete frame structure rapid constructing method according to claim 5, it is characterised in that in described step S022 and S024: during lifting, side refutes and moors the dead ahead in harbour；Lifting vessel is in the side of harbour, and refutes quadrature arrangement with side。
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| CN109322309A (en) * | 2018-10-23 | 2019-02-12 | 上海市基础工程集团有限公司 | The construction method that greater coasting area offshore concrete pours |
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| JP3556559B2 (en) * | 2000-02-28 | 2004-08-18 | エヌ・アイ・シー・エンジニアリング株式会社 | Underground structure construction method |
| US20100058687A1 (en) * | 2008-09-05 | 2010-03-11 | Normand Bernard M | Method of constructing a multi-storey building using prefabricated modular panels |
| CN203361332U (en) * | 2013-06-17 | 2013-12-25 | 南京长江都市建筑设计股份有限公司 | Prefabricated assembly type frame structure |
| CN203716287U (en) * | 2013-12-27 | 2014-07-16 | 中国京冶工程技术有限公司 | Multi-layer stereo framework being composed of prefabricated reinforced concrete components |
| CN203716289U (en) * | 2014-01-02 | 2014-07-16 | 王睿敏 | Overall fabricated type frame system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109322309A (en) * | 2018-10-23 | 2019-02-12 | 上海市基础工程集团有限公司 | The construction method that greater coasting area offshore concrete pours |
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