CN104131704A - Steel pipe column concrete lateral pouring method and steel pipe column structure used in method - Google Patents
Steel pipe column concrete lateral pouring method and steel pipe column structure used in method Download PDFInfo
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- CN104131704A CN104131704A CN201410207286.0A CN201410207286A CN104131704A CN 104131704 A CN104131704 A CN 104131704A CN 201410207286 A CN201410207286 A CN 201410207286A CN 104131704 A CN104131704 A CN 104131704A
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Abstract
The invention discloses a steel pipe column concrete lateral pouring method and a steel pipe column structure used in the method. A steel pipe column is formed by welding multiple steel pipes. The method includes the steps that a pouring hole is formed in the side wall of the upper steel pipe, and then the upper steel pipe and the lower steel pipe are welded; when concrete in the lower steel pipe is poured, a concrete pumping pipe is inserted into the pouring hole in the upper steel pipe from the side face, and then pouring of the concrete in the lower steel pipe is finished. In the pouring process, construction of an upper-layer steel pipe column, a steel beam and a truss formwork is not influenced, synchronous construction can be achieved, work faces do not interfere with one another, installation efficiency of the steel structure is improved and the construction period is shortened. A worker can stand on an outer-frame horizontal beam and slab structure during pouring construction, safety risks are greatly reduced, pouring is easy and convenient to carry out, pouring can be carried out without a concrete spreader, operation time of the concrete spreader is saved, pouring time of the concrete of the steel pipe column is greatly shortened, the construction period is shortened, and labor expenses are reduced.
Description
Technical field
the present invention relates to the concrete side of a kind of steel pipe column and water method and steel pipe column structure used, belong to the pouring technique field of steel pipe column in building operations.
Background technology
in existing building engineering, because steel pipe column load-bearing property is good, can effectively reduce concrete column volume stressed compared with large part, at present the more and more general vertical supporting that is applied to engineering structures.Some steel pipe column height is higher, is conventionally formed by many steel-pipe weldings.In steel pipe column, build concrete.
it is to complete concrete building by cloth tube from steel pipe top that prior art has been built concrete method.Have the following disadvantages:
1,, in Construction of Steel Structure, be generally, after first erection column and beam, profiled sheet is installed again; Therefore in the time of the concrete of building in lower joint steel pipe, the horizontal beam slab of housing is still not finished complete, does not have operation platform to construct.Carry out pouring construction so can only set up temporary construction platform, temporary construction platform is conventionally overhead higher, also needs to arrange cat ladder, and personnel can only stand in the enterprising line operate of the narrow temporary construction platform in space, have larger security risk.
2, in the time building, cannot carry out the installation of upper steel tubing string, girder steel, profiled sheet, can only wait lower joint steel pipe to build the rear follow-up work of just carrying out, affect efficiency of construction, incur loss through delay the duration.
3, when building, housing profiled sheet is not also laid, and cloth tube is only fixed on girder steel, and all transfer efficients are low, and spended time is long.
Summary of the invention
the object of the invention is to, provide the concrete side of a kind of steel pipe column to water method and steel pipe column structure used, with in the time carrying out the building of lower joint steel pipe, can carry out the installation of upper steel tubing string, girder steel, profiled sheet simultaneously, thereby raising efficiency of construction, reduction of erection time, and overcome the deficiencies in the prior art.
technical scheme of the present invention is achieved in that
the concrete side method of watering of a kind of steel pipe column of the present invention is that described steel pipe column is to be welded by plurality of sections of steel pipes; The method is first after the sidewall of upper joint steel pipe is opened pouring hole, and then by upper joint steel pipe and lower joint steel-pipe welding; In the time of the concrete of building in lower joint steel pipe, concrete pumping pipe is inserted from the side in the pouring hole of upper joint steel pipe and complete building lower joint steel pipe inner concrete.
in preceding method, when complete from the side the building of lower joint steel pipe inner concrete with concrete pumping pipe, should control the pumping dynamics of pump truck well, make concrete along the cavity vertical drop in steel pipe, the kinetic energy that utilizes concrete to fall to producing reaches concrete self-compaction.
in preceding method, concreting process adopts placement layer by layer, and floor height is not more than 1 meter; In the time that every layer is built, application vibrating spear adopt fast insert the mode of pulling out slowly to concrete pointwise vibrate, every some vibrating time is no less than answers ordinal shift to leak when 20s vibrates to shake; The artificial mallet of pipe fit on simultaneously knocks; Every layer vibrate concordant to concrete surface, no longer obviously decline, no longer there is bubble, when surface glows mortar, then carry out last layer and build.
in preceding method, the concrete height of building should make lower joint steel pipe inner concrete forming surface be not less than 500mm apart from distance at the bottom of pouring hole hole.
in preceding method, described pouring hole adopts a stroke hole mode to process in professional factory; Drawing hole mode is to mark pouring hole by the steel pipe sidewall that is rotated in of stroke cutter, and the disk of drawing is for subsequent use as jam, after having built, then by jam, pouring hole sealing is welded.
in preceding method, described concrete building is to carry out completing after steel pipe column housing horizontal structure, and steel pipe column housing horizontal structure is provided with concrete pumping pipe and supports.
for of the present invention a kind of steel pipe column structure of said method be, this steel pipe column structure comprises joint steel pipe and lower joint steel pipe, upper joint steel pipe and lower joint steel-pipe welding, and the sidewall of upper joint steel pipe is provided with pouring hole, is provided with reinforcing ring inside pouring hole.
in aforementioned steel pipe column structure, the aperture of described pouring hole is 200mm, and the welding seam distance that saves steel pipe and lower joint steel pipe in the centre distance of pouring hole is 300mm.
in aforementioned steel pipe column structure, described pouring hole inwall is connected to reinforcing ring, and the endoporus of reinforcing ring is identical with pouring hole aperture; The width of reinforcing ring is 50mm, and reinforcing ring thickness is identical with the wall thickness of upper joint steel pipe; The binding face of reinforcing ring and upper joint steel pipe inner wall is cambered surface, and radian is identical with upper joint steel pipe inner wall radian.
owing to having adopted technique scheme, the present invention compared with prior art, method of the present invention is to adopt side direction to build the concrete of lower joint steel pipe, so in casting process, do not affect the construction of upper strata steel pipe column, girder steel, truss mould plate, can synchronous construction, work plane does not influence each other, improve Steel Structure Installation efficiency, the reduction of erection time.Because method of the present invention is to carry out building of lower joint steel pipe after the construction of housing horizontal beam plated construction again, so may stand in housing horizontal beam plated construction, personnel carry out pouring construction, greatly reduce security risk.Build easyly, without using material distributing machine to build, save the material distributing machine transhipment time, the steel pipe column concreting time shortens greatly.Shorten the construction period, reduce the expenditure of labour cost.
Brief description of the drawings
fig. 1 is construction method schematic diagram of the present invention;
fig. 2 is the construction method schematic diagram of prior art;
fig. 3 is construction method of the present invention steel pipe column structure used;
fig. 4 is the 3-D view of Fig. 3;
fig. 5 is the jam under employing stroke hole mode is drawn.
the upper joint of being labeled as in figure: 1-steel pipe, saves steel pipe under 2-, 3-pouring hole, 4-reinforcing ring, 5-concrete, 6-weld seam, 7-jam, 8-concrete pumping pipe, 9-steel pipe column housing horizontal structure, 10-concrete pumping pipe supports, 11-operation platform, 12-cat ladder, 13-cloth tube.
Detailed description of the invention
below in conjunction with drawings and Examples, the present invention is described in further detail, but not as any limitation of the invention.
the concrete side of a kind of steel pipe column of the present invention is watered method, and as shown in Figure 2, described steel pipe column is to be welded by plurality of sections of steel pipes; The method is first after the sidewall of upper joint steel pipe 1 is opened pouring hole 3, and then upper joint steel pipe and lower joint steel pipe 2 are welded; In the time of the concrete 5 of building in lower joint steel pipe, concrete pumping pipe 8 is inserted from the side in the pouring hole that saves steel pipe and completes building lower joint steel pipe inner concrete.When complete from the side the building of lower joint steel pipe 2 inner concretes 5 with concrete pumping pipe 8, should control the pumping dynamics of pump truck well, make concrete along the cavity vertical drop in steel pipe, the kinetic energy that utilizes concrete to fall to producing reaches concrete self-compaction.Concreting process adopts placement layer by layer, and floor height is not more than 1 meter; In the time that every layer is built, application vibrating spear adopt fast insert the mode of pulling out slowly to concrete pointwise vibrate, every some vibrating time is no less than answers ordinal shift to leak when 20s vibrates to shake; The artificial mallet of pipe fit on simultaneously knocks, and judges that according to sound whether concrete is closely knit; Every layer vibrate concordant to concrete surface, no longer obviously decline, no longer there is bubble, when surface glows mortar, then carry out last layer and build.The concrete height of building should make lower joint steel pipe 2 inner concrete forming surface be not less than 500mm apart from distance at the bottom of pouring hole 3 holes.Described pouring hole 3 adopts a stroke hole mode to process in professional factory; Drawing hole mode is to mark pouring hole by the steel pipe sidewall that is rotated in of stroke cutter, and the disk of drawing is for subsequent use as jam 7, after having built, then by jam, pouring hole sealing is welded.Concrete building is to carry out completing after steel pipe column housing horizontal structure 9, and steel pipe column housing horizontal structure is provided with concrete pumping pipe and supports 10.
for the structural representation of of the present invention a kind of steel pipe column structure of said method as shown in Figure 3 and Figure 4, this steel pipe column structure comprises joint steel pipe 1 and lower joint steel pipe 2, upper joint steel pipe 1 welds with lower joint steel pipe 2, and the sidewall of upper joint steel pipe 1 is provided with pouring hole 3, and pouring hole 3 inner sides are provided with reinforcing ring 4.The aperture of pouring hole 3 is 200mm, and in the centre distance of pouring hole 3, saving steel pipe 1 is 300mm with weld seam 6 distances of lower joint steel pipe 2.Pouring hole 3 inwalls are connected to reinforcing ring 4, and the endoporus of reinforcing ring 4 is identical with pouring hole 3 apertures; The width of reinforcing ring is 50mm, and reinforcing ring thickness is identical with the wall thickness of upper joint steel pipe 1; Reinforcing ring 4 is cambered surface with the binding face of upper joint steel pipe 1 inwall, and radian is identical with upper joint steel pipe 1 inwall radian.
Embodiment
this example is full of triumphant square item as example to be positioned at the rich power of Zhujiang New City core business district, Guangzhou, underground 5 layers of this project, 65 layers on the ground, for highrise building, form of structure is framework-core wall structure, and Core Walls Structure is reinforced concrete shear wall structure, outer tube structure by underground 16, be on the ground that 20 steel core concrete columns form side support system, it is building roof beam, beam upper berth profiled sheet that urceolus and inner core are established narrow wing hot-rolling H-shaped steel part, above waters 110mm thick concrete slab.
in this project, steel pipe column braced structures is used more, and steel pipe column height is high, and engineering quantity is large.In order to meet construction period, in this project, the concrete pouring technique (see figure 1) of conventional steel tubing string is innovated, adopt side direction to build (see figure 2) technology.This technology is on the sidewall of every steel pipe one end, to process a pouring hole 3, and aperture and the concrete pumping pipe of pouring hole are supporting, and aperture is 200mm, pouring hole be centered close to two 300mm place, pitch circle steel pipe seams tops (see figure 3)s.In order not affect the overall performance of steel pipe, pouring hole has been carried out to consolidation process, at a reinforcing ring 4 of pouring hole inwall welding, the endoporus of reinforcing ring 4 is identical with pouring hole 3 apertures; The width of reinforcing ring is 50mm, and reinforcing ring thickness is identical with the wall thickness of upper joint steel pipe 1; Reinforcing ring 4 is cambered surface with the binding face of upper joint steel pipe 1 inwall, and radian is identical with upper joint steel pipe 1 inwall radian.While building, concrete pumping pipe 8 is directly stretched into the concrete that pouring hole carries out lower joint steel pipe 2 and build, and control the pumping dynamics of pump truck well, make concrete vertical drop in cavity, the kinetic energy that utilizes concrete to fall to producing reaches concrete self-compaction.In casting process, must be monitored concrete quality by special messenger, perform in time slump and detect, to there being firmly inaccurate use of concrete of the phenomenons such as workability, slump be not up to standard.In order to ensure the compactness of steel pipe column concreting and the effect of vibrating, adopt layering to vibrate, layer height is not more than 1 meter.Vibrating spear inserts in concrete, insert and pull out slowly soon, answers pointwise to move while vibrating, carries out in order, must not leak and shake, and every some vibrating time is no less than 20s.The artificial mallet of pipe fit on simultaneously knocks, and judges that according to sound whether concrete is closely knit, and every layer vibrates to the concordant no longer obviously decline of concrete surface, no longer occurs bubble, till surface glows mortar.Available flashlight is irradiated in steel pipe column and checks.In work progress, need to guarantee the normal operation such as job site machinery, water, electricity, illumination, allow the work of building carry out without interruption continuously.After having built, pouring hole is sealed to welding with jam 7.Jam 7 is in the time drawing pouring hole, the disk of drawing from steel pipe, and its size is just supporting with pouring hole.High temperature causes harmful effect to lower joint steel pipe column concrete when preventing from welding, and therefore in the time building, concrete formation identity distance can not be less than 500mm from the distance at the bottom of pouring hole hole.
because the present invention carries out pouring construction on steel pipe column housing horizontal structure, therefore therefore without setting up narrow and small operation platform, personnel's convenient transfer, has played significant role to constructor's safety.But due to steel pipe column place floor edge, in work progress, still need to carry out safety measure, before construction, should carry out step by step safety technics education and tell somebody what one's real intentions are, implement all technical safety measuress and P.P's articles for use, must not construct when implementing.
the construction method that this is routine, in the time building steel pipe column concrete, upper steel tubing string, girder steel etc. all can be constructed as usual, and work plane staggers can synchronous construction, can shorten the Steel Structure Installation duration.Owing to building conveniently, save the time of building.Meanwhile, owing to not needing to use material distributing machine, coordinate and transport without tower crane, tower crane can carry out the handling of material, does not affect the normal construction of other working procedure, has greatly shortened the duration.
this example, in construction, should also be noted that following problem:
1, the position of pouring hole 3 will be strictly by design boring, and position is too high or too low, all can impact steel pipe column structure, and can bring inconvenience to pouring construction.
2, pouring hole 3 is reinforced needs strictly to be undertaken by design, if not according to design reinforcement, can impact the performance of integrated steel-structure.
3,, when concreting, in addition vibrating head vibrates, and ensures concrete formation quality.Control concrete formation face and be not less than 500mm from circle hole distance from bottom, ensure that concrete is because welding is not impaired.
4, when the jam 7 at pouring hole 3 places is welded in sealing, should strictly control welding quality, not allow to occur seepage.
5, in work progress, carry out and face frontier defense and protect, concrete is not sputtered onto outside building.Cause security incident.
the present invention, as a new technology, has irreplaceable effect in this engineering Construction of Steel Structure, is successfully applied.Efficiently solve the problems such as steel pipe column concreting difficulty in steel structure system, work plane cannot be constructed simultaneously up and down, security risk is large.The present invention can provide a reference for later steel structure system construction.
Claims (9)
1. the concrete side of steel pipe column is watered a method, and described steel pipe column is to be welded by plurality of sections of steel pipes; It is characterized in that: the method is first after the sidewall of upper joint steel pipe is opened pouring hole, and then by upper joint steel pipe and lower joint steel-pipe welding; In the time of the concrete of building in lower joint steel pipe, concrete pumping pipe is inserted from the side in the pouring hole of upper joint steel pipe and complete building lower joint steel pipe inner concrete.
2. method according to claim 1, it is characterized in that: when complete from the side the building of lower joint steel pipe inner concrete with concrete pumping pipe, should control the pumping dynamics of pump truck well, make concrete along the cavity vertical drop in steel pipe, the kinetic energy that utilizes concrete to fall to producing reaches concrete self-compaction.
3. method according to claim 1, is characterized in that: concreting process adopts placement layer by layer, and floor height is not more than 1 meter; In the time that every layer is built, application vibrating spear adopt fast insert the mode of pulling out slowly to concrete pointwise vibrate, every some vibrating time is no less than answers ordinal shift to leak when 20s vibrates to shake; The artificial mallet of pipe fit on simultaneously knocks; Every layer vibrate concordant to concrete surface, no longer obviously decline, no longer there is bubble, when surface glows mortar, then carry out last layer and build.
4. method according to claim 1, is characterized in that: the concrete height of building should make lower joint steel pipe inner concrete forming surface be not less than 500mm apart from distance at the bottom of pouring hole hole.
5. method according to claim 1, is characterized in that: described pouring hole adopts and draws a hole mode and process in professional factory; Drawing hole mode is to mark pouring hole by the steel pipe sidewall that is rotated in of stroke cutter, and the disk of drawing is for subsequent use as jam, after having built, then by jam, pouring hole sealing is welded.
6. method according to claim 1, is characterized in that: described concrete building is to carry out completing after steel pipe column housing horizontal structure, and steel pipe column housing horizontal structure is provided with concrete pumping pipe and supports.
7. the steel pipe column structure for the arbitrary described method of claim 1 to 6, comprise joint steel pipe (1) and lower joint steel pipe (2), upper joint steel pipe (1) and lower joint steel pipe (2) welding, it is characterized in that: the sidewall that above saves steel pipe (1) is provided with pouring hole (3), pouring hole (3) inner side is provided with reinforcing ring (4).
8. steel pipe column structure according to claim 7, is characterized in that: the aperture of described pouring hole (3) is 200mm, and in the centre distance of pouring hole (3), saving steel pipe (1) is 300mm with weld seam (6) distance of lower joint steel pipe (2).
9. steel pipe column structure according to claim 8, is characterized in that: described pouring hole (3) inwall is connected to reinforcing ring (4), the endoporus of reinforcing ring (4) is identical with pouring hole (3) aperture; The width of reinforcing ring is 50mm, and reinforcing ring thickness is identical with the wall thickness of upper joint steel pipe (1); Reinforcing ring (4) is cambered surface with the binding face of upper joint steel pipe (1) inwall, and radian is identical with upper joint steel pipe (1) inwall radian.
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| CN201410207286.0A CN104131704A (en) | 2014-05-16 | 2014-05-16 | Steel pipe column concrete lateral pouring method and steel pipe column structure used in method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563516A (en) * | 2014-12-31 | 2015-04-29 | 中铁建工集团有限公司 | Steel tube superposed column and construction method for core concrete pouring of the steel tube superposed column |
| CN109162460A (en) * | 2018-09-13 | 2019-01-08 | 中建西部建设新疆有限公司 | A kind of construction method of C70 self-compacting concrete |
| CN110130648A (en) * | 2019-06-04 | 2019-08-16 | 中国建筑第四工程局有限公司 | A kind of structure and method of steel pipe column side-wall hole casting concrete |
| CN110273423A (en) * | 2019-06-24 | 2019-09-24 | 中铁二十四局集团安徽工程有限公司 | A kind of tall and big walls concrete placing installation and casting method |
| CN112140280A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Manufacturing equipment of pier column, manufacturing method of pier column, pier column and bridge |
| CN112854764A (en) * | 2021-03-16 | 2021-05-28 | 中铁二十局集团第六工程有限公司 | Concrete pouring construction structure in steel pipe column and construction method |
| CN114278011A (en) * | 2021-12-30 | 2022-04-05 | 上海建工四建集团有限公司 | Special-shaped steel pipe column concrete construction structure and construction method |
| CN114961241A (en) * | 2022-06-22 | 2022-08-30 | 江苏武进建工集团有限公司 | Bare concrete V-shaped column formwork supporting system and construction method thereof |
| CN115405047A (en) * | 2022-10-12 | 2022-11-29 | 中建八局第四建设有限公司 | Method for pouring concrete in steel pipe |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563516A (en) * | 2014-12-31 | 2015-04-29 | 中铁建工集团有限公司 | Steel tube superposed column and construction method for core concrete pouring of the steel tube superposed column |
| CN109162460A (en) * | 2018-09-13 | 2019-01-08 | 中建西部建设新疆有限公司 | A kind of construction method of C70 self-compacting concrete |
| CN110130648A (en) * | 2019-06-04 | 2019-08-16 | 中国建筑第四工程局有限公司 | A kind of structure and method of steel pipe column side-wall hole casting concrete |
| CN110273423A (en) * | 2019-06-24 | 2019-09-24 | 中铁二十四局集团安徽工程有限公司 | A kind of tall and big walls concrete placing installation and casting method |
| CN112140280A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Manufacturing equipment of pier column, manufacturing method of pier column, pier column and bridge |
| CN112854764A (en) * | 2021-03-16 | 2021-05-28 | 中铁二十局集团第六工程有限公司 | Concrete pouring construction structure in steel pipe column and construction method |
| CN114278011A (en) * | 2021-12-30 | 2022-04-05 | 上海建工四建集团有限公司 | Special-shaped steel pipe column concrete construction structure and construction method |
| CN114961241A (en) * | 2022-06-22 | 2022-08-30 | 江苏武进建工集团有限公司 | Bare concrete V-shaped column formwork supporting system and construction method thereof |
| CN115405047A (en) * | 2022-10-12 | 2022-11-29 | 中建八局第四建设有限公司 | Method for pouring concrete in steel pipe |
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