CN104481147A - Rapid construction method for offshore reinforced concrete frame structure - Google Patents
Rapid construction method for offshore reinforced concrete frame structure Download PDFInfo
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- CN104481147A CN104481147A CN201410607115.7A CN201410607115A CN104481147A CN 104481147 A CN104481147 A CN 104481147A CN 201410607115 A CN201410607115 A CN 201410607115A CN 104481147 A CN104481147 A CN 104481147A
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Abstract
The invention provides a rapid construction method for an offshore reinforced concrete frame structure. The rapid construction method for the offshore reinforced concrete frame structure comprises the following steps of step 01 beam column framework prefabrication, prefabricating a beam column framework which is formed by a vertical column and not less than one layer of horizontally cross beams through concrete at a smooth and open position; step 02 integrally hanging the beam column framework, transporting the beam column framework through a scow and hanging the beam column framework through a floating crane after concrete cast-in-situ of the beam column framework is finished and the intensity achieves the design intensity; step 03 concrete cast-in-situ of floor slabs, arranging a mixer on a mixing ship or a platform and enabling a crane cableway bucket to perform floor board pouring; S04 brickwork and decoration engineering construction which comprises performing brickwork and decoration engineering construction on the beam column framework. According to the rapid construction method for the offshore reinforced concrete frame structure, the integral fabrication hanging technology is adopted, the construction work efficiency is improved, and the construction period is shortened.
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 far away, and execution conditions are more and more severe, harbour service trend offshore, deep water, off-lying sea.At present, the construction operation of off-lying sea pier body and harbour face ancillary facility thereof mainly relies on mixer ship, Fang Bo etc. to realize, but because mixer ship technique need be equipped with more ship machine equipment, capacity of anti-storm is poor, mobility is not strong, add surged, the impact of monsoon, the factor such as greasy weather, make off-lying sea Wharf Engineering effective operation number of days few, cannot programming be ensured.For the construction of harbour face ancillary facility (as controlled building) etc., the transport, handling etc. of construction material also will be subject to very large restriction.Therefore, for above-mentioned situation, a kind of new offshore reinforced concrete frame structure quick construction technology need be sought in pole, reduces construction costs with this, improves efficiency of construction, ensures the construction period.
Being not difficult to find out, also there is certain defect in prior art.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of offshore reinforced concrete frame structure rapid constructing method, adopts integral prefabricated hoisting, improves construction efficiency, shorten 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 precast by vertical post at smooth void spaces and be no less than the beam column frame that the crisscross beam of one deck level forms;
S02, beam column frame integral hoisting: beam column frame concrete cast-in-situ completes and intensity reaches design strength time, employing side refutes and transports, and lifts with crane ship;
S03, cast-in-situ floor concrete: adopt on mixer ship or platform and settle mixer to carry out concrete-agitating, loop wheel machine suspension bucket puts in storage and carries out floor plate and build;
S04, masonry, decorative engineering are constructed: carry out masonry, decorative engineering construction at beam column frame.
Further, described step S01 comprises:
S011, be suitable in condition, the void spaces concreting backing plate of levelling of the land is as bed die;
S012, beam column frame carry out padded prefabricated, and choose two parallel beams as padded supporting beam, the post under padded supporting beam is as padded bearing post; Adopt steel-support to bottom the padded bearing post of each bar, adopt shaped steel to imbed bottom padded bearing post, the column vertical rib vertically arranged is reserved 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 comprises:
S0121, build the laggard row scaffold building of layers of concrete, carry out beam bottom board installation, then carry out post, beam steel bar colligation and model sheetinstallat, all posts are built together with beam, wherein choose two parallel beams as padded supporting beam, the post under padded supporting beam is as padded bearing post;
S0122, on padded supporting beam each beam in length and breadth intersection point on suspension centre is set, suspension centre bottom is embedded in the concrete of beam in length and breadth, builds to establish strengthen angle and reinforce between suspension centre and beam in length and breadth with concrete.
Further, described step S02 comprises:
S021, before beam column frame dress is refuted, first smooth measurement is carried out to barge deck, and survey above deck and establish 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 working platform linked up with, guard rail rod that working platform must be set up defences; Then lifted by crane ship, utilize hoist cable and suspender to be sling by beam column frame by suspension centre, then on the deck of the beam column frame side of being placed on being 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 to the padded bearing post of every root immediately;
S023, side refute by beam column frame haul to erecting bed, and during haul, Oversea wind must not be greater than 6 grades;
On the platform of erecting bed harbour, release the outer edge of steel-support according to framework actual measurement size before S024, installation; During the construction of flat upper surface layer concrete, pre-buried platform steel plate on each post position, steel plate establishes dowel to be connected with platform concrete edge; Beam column frame is lifted on platform by crane ship and installs, and after beam column frame is in place, by each bar post and platform Plate Welding, column vertical rib staggers overlap joint single-sided welding up and down; Build employing shrinkage compensating concrete.
Further, in described step S022 and S024: during lifting, the dead ahead of mooring in harbour is refuted by side; Lifting vessel in the side of harbour, and refutes quadrature arrangement with side.
Further, described step S03 comprises:
S031, adopt mixer ship or settle mixer to stir concrete on platform;
S032, concreting go out floor.
A kind of offshore reinforced concrete frame structure rapid constructing method provided by the present invention, has the following advantages:
Beam column frame adopts integral prefabricated hoisting, decreases the large and foggy weather of off-lying sea stormy waves condition to the impact of the construction operations such as concreting, improves construction efficiency, shorten 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 the workloads such as off-lying sea template peace is torn open, reinforcing bar binding, improve construction quality, reduce construction safety risk.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art 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 prerequisite not paying creative work, other accompanying drawing can also be obtained 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 object 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 is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to 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 precast by vertical post at smooth void spaces and be no less than the beam column frame that the crisscross beam of one deck level forms;
S02, beam column frame integral hoisting: beam column frame concrete cast-in-situ completes and intensity reaches design strength time, employing side refutes and transports, and lifts with crane ship;
S03, cast-in-situ floor concrete: adopt on mixer ship or platform and settle mixer to carry out concrete-agitating, loop wheel machine suspension bucket puts in storage and carries out floor plate and build;
S04, masonry, decorative engineering are constructed: carry out masonry, decorative engineering construction at beam column frame.
The present invention and the maximum improvement of prior art are: beam column frame be land is prefabricated complete after again by crane ship integral hoisting to erecting bed.Prior art adopts the scheme of directly carrying out pouring construction in erecting bed, and off-lying sea operation is more, by environment and weather effect comparatively large, task difficulty improves greatly, not only reduces construction quality, too increases construction efficiency.Relative to the scheme of prior art, beam column frame is the prefabricated difficulty not only reducing pouring construction on land, eliminate the large and foggy weather of off-lying sea stormy waves condition to the impact of the construction operations such as concreting, improve work efficiency, reduce man-hour, more can reduce off-lying sea operation, improve construction quality, reduce construction safety risk.
Refer to Fig. 2, as preferably, described step S01 comprises further:
S011, be suitable in condition, the void spaces concreting backing plate of levelling of the land is as bed die;
S012, beam column frame carry out padded prefabricated, and choose two parallel beams as padded supporting beam, the post under padded supporting beam is as padded bearing post; Adopt steel-support to bottom the padded bearing post of each bar, adopt shaped steel to imbed bottom padded bearing post, the column vertical rib vertically arranged is reserved 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 actual conditions, or increase auxiliary girder.The crisscross beam of beam column frame is made mark respectively, the beam of horizontal expansion longitudinal arrangement in Fig. 2 is labeled as y1, y2, y3, y4, y5 respectively, beam transversely arranged for longitudinal extension is labeled as x1, x2, x3, x4, x5 respectively.Choose beam y2 and beam y4 in the present embodiment as padded supporting beam, adopt steel-support; Other beam is vacant state when mounted, only adopts hollow brick supporting, in order to aiding support, in order to ensure beam column frame supporting balance.Choose two beams as the object of padded supporting beam be to reduce dress refute and between installation period because of STRESS VARIATION that layers of concrete difference in height causes.Meanwhile, as preferably, should ensure 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 comprises further:
S0121, build the laggard row scaffold building of layers of concrete, carry out beam bottom board installation, then carry out post, beam steel bar colligation and model sheetinstallat, all posts are built together with beam, wherein choose two parallel beams as padded supporting beam, the post under padded supporting beam is as padded bearing post;
S0122, refer to Fig. 3, on padded supporting beam each beam in length and breadth intersection point on suspension centre is set, suspension centre bottom is embedded in the concrete of beam in length and breadth, builds to establish strengthen angle and reinforce between suspension centre and beam in length and breadth with concrete.
Suspension centre is used for the integral hoisting of beam column frame, and when crane ship carries out lifting operation, beam column frame is sling by suspension centre by suspension hook completely.Therefore, suspension centre must have enough supporting capacitys, and preferred distribution is on padded supporting beam.Reinforce stabilization effect is played to suspension centre in reinforcement angle between suspension centre and beam in length and breadth, prevents from rupturing because of stand under load stress between suspension centre and beam.
As preferably, described step S02 comprises further:
S021, before beam column frame dress is refuted, first smooth measurement is carried out to barge deck, and survey above deck and establish 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, is needed first to be refuted by the crane ship lifting side of loading onto by the beam column frame of building on land to carry out dress and refute operation, then by just refuting harbour beam column frame being transported to erecting bed, is lifted into the platform of erecting bed by crane ship.Refuting due to side needs lift-launch beam column frame to transport, and needs in the process to ensure the stable of beam column frame.Therefore the post position that beam column frame is established in deck survey need be refuted in side, and carry out leveling.
Before S022, lifting, first on beam column frame, set up the working platform linked up with, guard rail rod that working platform must be set up defences; Then lifted by crane ship, utilize hoist cable and suspender to be sling by beam column frame by suspension centre, then on the deck of the beam column frame side of being placed on being 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 to the padded bearing post of every root immediately;
Padded bearing post is refuted on deck in side and is still played main supporting role, and in view of side refutes in the process of transporting on water route, the impact due to environment such as stormy waves may cause beam column frame to rock canting, thus needs to take necessary stabilizing measures to beam column frame.
S023, side refute by beam column frame haul to erecting bed, and during haul, Oversea wind must not be greater than 6 grades;
In order to ensure transport, preventing beam column frame to be damaged in the process of transport, if Oversea wind is more than 6 grades, stopping transport.
On the platform of erecting bed harbour, release the outer edge of steel-support according to framework actual measurement size before S024, installation; During the construction of flat upper surface layer concrete, pre-buried platform steel plate on each post position, steel plate establishes dowel to be connected with platform concrete edge; Beam column frame is lifted on platform by crane ship and installs, and after beam column frame is in place, by each bar post and platform Plate Welding, column vertical rib staggers overlap joint single-sided welding up and down; Build employing shrinkage compensating concrete.
First carry out to scene the basic skills that defence line is civil engineering before installation, the outer edge of first releasing steel-support can carry out pre-aligned accurately to the integral hoisting of beam column frame, and carries out complete planning to integral construction.Weld column vertical rib after beam column frame is in place namely to be fixed the installation of beam column frame.
As preferably, in described step S022 and S024: during lifting, just refute the dead ahead of mooring in harbour; Lifting vessel 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 comprises further:
S031, adopt mixer ship or settle mixer to stir concrete on platform;
S032, concreting go out floor.
Finally, step S04 masonry, decorative engineering construction is 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 the large and foggy weather of off-lying sea stormy waves condition to the impact of the construction operations such as concreting, improve construction efficiency, shorten the duration.This construction technology decreases the workloads such as marine raw material freight volume and concreting side's amount and off-lying sea template peace are torn open, reinforcing bar binding, and then the machine-team number decreased needed for ship machine equipment, reduce construction costs, improve construction quality, reduce construction safety risk.
The above embodiment 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, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. an offshore reinforced concrete frame structure rapid constructing method, is characterized in that, comprises the following steps:
S01, beam column frame are prefabricated: adopt concrete precast by vertical post at smooth void spaces and be no less than the beam column frame that the crisscross beam of one deck level forms;
S02, beam column frame integral hoisting: beam column frame concrete cast-in-situ completes and intensity reaches design strength time, employing side refutes and transports, and lifts with crane ship;
S03, cast-in-situ floor concrete: adopt on mixer ship or platform and settle mixer to carry out concrete-agitating, loop wheel machine suspension bucket puts in storage and carries out floor plate 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 characterized in that, described step S01 comprises:
S011, be suitable in condition, the void spaces concreting backing plate of levelling of the land is as bed die;
S012, beam column frame carry out padded prefabricated, and choose two parallel beams as padded supporting beam, the post under padded supporting beam is as padded bearing post; Adopt steel-support to bottom the padded bearing post of each bar, adopt shaped steel to imbed bottom padded bearing post, the column vertical rib vertically arranged is reserved 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, is characterized 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 characterized in that, described step S012 comprises:
S0121, build the laggard row scaffold building of layers of concrete, carry out beam bottom board installation, then carry out post, beam steel bar colligation and model sheetinstallat, all posts are built together with beam, wherein choose two parallel beams as padded supporting beam, the post under padded supporting beam is as padded bearing post;
S0122, on padded supporting beam each beam in length and breadth intersection point on suspension centre is set, suspension centre bottom is embedded in the concrete of beam in length and breadth, builds to establish strengthen angle and reinforce between suspension centre and beam in length and breadth with concrete.
5. offshore reinforced concrete frame structure rapid constructing method according to claim 4, it is characterized in that, described step S02 comprises:
S021, before beam column frame dress is refuted, first smooth measurement is carried out to barge deck, and survey above deck and establish 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 working platform linked up with, guard rail rod that working platform must be set up defences; Then lifted by crane ship, utilize hoist cable and suspender to be sling by beam column frame by suspension centre, then on the deck of the beam column frame side of being placed on being 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 to the padded bearing post of every root immediately;
S023, side refute by beam column frame haul to erecting bed, and during haul, Oversea wind must not be greater than 6 grades;
On the platform of erecting bed harbour, release the outer edge of steel-support according to framework actual measurement size before S024, installation; During the construction of flat upper surface layer concrete, pre-buried platform steel plate on each post position, steel plate establishes dowel to be connected with platform concrete edge; Beam column frame is lifted on platform by crane ship and installs, and after beam column frame is in place, by each bar post and platform Plate Welding, column vertical rib staggers overlap joint single-sided welding up and down; Build employing shrinkage compensating concrete.
6. offshore reinforced concrete frame structure rapid constructing method according to claim 5, is characterized in that, in described step S022 and S024: during lifting, the dead ahead of mooring in harbour is refuted by side; Lifting vessel in the side of harbour, and refutes quadrature arrangement with side.
7. offshore reinforced concrete frame structure rapid constructing method according to claim 5, it is characterized in that, described step S03 comprises:
S031, adopt mixer ship or settle mixer to stir concrete on platform;
S032, concreting go out floor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410607115.7A CN104481147B (en) | 2014-10-30 | 2014-10-30 | A kind of offshore reinforced concrete frame structure rapid constructing method |
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| CN201410607115.7A CN104481147B (en) | 2014-10-30 | 2014-10-30 | A kind of offshore reinforced concrete frame structure rapid constructing method |
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| CN104481147A true CN104481147A (en) | 2015-04-01 |
| CN104481147B CN104481147B (en) | 2016-06-22 |
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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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001241053A (en) * | 2000-02-28 | 2001-09-04 | N I C Eng Kk | Method for constructing underground structure |
| 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 |
| CN203716289U (en) * | 2014-01-02 | 2014-07-16 | 王睿敏 | Overall fabricated type frame system |
| 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 |
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2014
- 2014-10-30 CN CN201410607115.7A patent/CN104481147B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001241053A (en) * | 2000-02-28 | 2001-09-04 | N I C Eng Kk | Method for constructing underground structure |
| 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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