CN102102443A - Construction method of steel reinforced concrete column of large metallurgical industry factory building - Google Patents
Construction method of steel reinforced concrete column of large metallurgical industry factory building Download PDFInfo
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- CN102102443A CN102102443A CN 201110068844 CN201110068844A CN102102443A CN 102102443 A CN102102443 A CN 102102443A CN 201110068844 CN201110068844 CN 201110068844 CN 201110068844 A CN201110068844 A CN 201110068844A CN 102102443 A CN102102443 A CN 102102443A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 194
- 239000010959 steel Substances 0.000 title claims abstract description 194
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 159
- 238000010276 construction Methods 0.000 title abstract description 30
- 239000004567 concrete Substances 0.000 claims abstract description 175
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 23
- 230000002787 reinforcement Effects 0.000 claims description 38
- 230000003014 reinforcing effect Effects 0.000 claims description 28
- 238000005266 casting Methods 0.000 claims description 25
- 239000004575 stone Substances 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 11
- 238000009415 formwork Methods 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
The invention discloses a construction method of a steel reinforced concrete column of a large metallurgical industry factory building, and belongs to the technical field of factory building construction production. The construction method of the steel reinforced concrete column of the large-scale metallurgical industry factory building can ensure the manufacturing quality of the steel reinforced concrete column. The construction method comprises the following steps of firstly installing a steel skeleton consisting of a steel rib column and a steel rib beam on an installation foundation, and adjusting the installation quality of the steel rib column by installing an adjusting base plate and a cable rope; then arranging concrete steel bars on the steel skeleton in the order of arranging the outer sides of the steel skeleton columns, arranging the outer sides of the steel skeleton beams and arranging the concrete steel bars at the joints of the steel skeleton columns and the steel skeleton beams; and then, erecting a concrete pouring template of the steel rib column outside the steel rib column concrete reinforcing steel bar, pouring concrete on the inner side and the outer side of the steel rib column box body by adopting a high-throwing vibration pouring method and a fixed-point positioning vibration pouring method, and finally dismantling the pouring template to maintain the concrete after the strength of the concrete reaches the design requirement.
Description
Technical field
The present invention relates to a kind of job practices of combined steel and concrete column, especially relate to a kind of job practices of large-scale metallurgical industrial premises combined steel and concrete column, belong to factory building construction production technical field.
Background technology
The steel reinforced concrete frame construction is a kind of novel building structure that grows up after steel work and concrete structure, it combines the advantage of steel work and concrete structure, compare with steel work, steel reinforced concrete structure can improve the whole and local yield behavior of steel work, increases the rigidity of structure and damping, saving steel, antirust, anti-corrosive; Compare with concrete structure, in bury the bearing capacity that steel frame can improve structure, reduce the sectional dimension of member and increase the building usable floor area, strengthen shear behavior and anti-bending strength.
At present, the steel reinforced concrete that in civil building engineering, uses, it as application number the steel reinforced concrete that relates in 00106161.5 " steel structure, steel skeleton reinforced concrete job practices ", what its job practices adopted is prefabricated steel framed concrete beam in factory, and then the scene of transporting to installs, and the shortcoming of this method is that transport difficulty is big, cause the cost of transportation height, install again after prefabricated, also can cause the weight of steel framed concrete beam to greatly increase, bring great difficulty to installation.Also have and carry out cast-in-place job practices at the scene, as application number is the sliding concrete of steel that relates in 01100519.X " job practices of Steel-frame building thing concrete beam and floor and hang die device ", what its job practices adopted is that steel frame beam is installed earlier, arrange stirrup in the steel frame beam outside then, install template, concreting more at last, the concrete that this job practices relates to, the one, have only steel frame beam, do not have reinforced concrete column, do not have the construction problem at steel frame beam and reinforced concrete column node place, the 2nd, have only stirrup in the concrete, the vertical applied force reinforcing bar is replaced by steel frame beam, and the construction quality during last placing of concrete can be guaranteed.
And at factory building, in the construction in the room, large-scale metallurgical industry reinforcing bar concrete plant of especially under large-scale, high temperature, fully loaded transportation condition, working, steel framed concrete beam is not only arranged, also has combined steel and concrete column, and the form of the steel frame beam of inside concrete and reinforced concrete column junction is complicated especially, and the installation accuracy of the steel frame that is made of reinforced concrete column and steel frame beam requires high especially; In addition, except in concrete, being embedded with steel frame, in the concrete in the steel frame outside, also be embedded with the intensive concrete reinforcement that constitutes by peg, steel bar stress and crosswise fixed stirrup, so just give the layout of concrete reinforcement, particularly many problems have been brought in the layout of junction concrete reinforcement, can't guarantee the layout quality of steel frame outside concrete reinforcement, just reduce the total quality of steel reinforced concrete after building.Add, increased concrete reinforcement in the steel frame outside, concrete cast is also difficult, difficulty of construction is bigger, the pouring quality of steel reinforced concrete can not get good assurance, the method of existing concreting post also is a placement layer by layer, be provided with cold seam between layer and the layer, make the outward appearance utmost point of the concrete column of building out not attractive in appearance, although so the steel reinforced concrete frame construction especially the large-scale metallurgical industrial premises compared aforesaid plurality of advantages with the steel reinforced concrete frame construction with concrete structure with steel work, but also because there are above-mentioned many technical barriers in steel reinforced concrete on structure and technology, in the existing building engineering, can not access promotion and application widely, especially large-scale, high temperature, never be used especially in the construction of the large-scale metallurgical industrial premises that fully loaded transportation condition is worked down.
Summary of the invention
In order to make this new structure of steel reinforced concrete can be applied to the existing building engineering widely, particularly be applied to large-scale, high temperature, fully loaded transportation condition widely down in the construction project of the large-scale metallurgical industrial premises of work, technical problem to be solved by this invention is: a kind of job practices that can guarantee the large-scale metallurgical industrial premises combined steel and concrete column of combined steel and concrete column fabricating quality is provided.
The technical scheme that adopts for solving the problems of the technologies described above is: the job practices of large-scale metallurgical industrial premises combined steel and concrete column, may further comprise the steps,
A, installation steel frame, earlier previously prepared box reinforced concrete column is installed on the installation basis that is embedded with stone bolt, tentatively fixing with temporary fixed cable wind rope, and adjust verticality, center line and the installation elevation that backing plate and cable wind rope are adjusted reinforced concrete column by being arranged on the installation of installing on the basis; And then previously prepared H type steel frame beam is installed between adjacent two reinforced concrete columns, the last lower wing plate of H type steel frame beam is alignd with the inner lateral partitions of installing in box reinforced concrete column corresponding position, and after preliminary fixing, the solid welding of full penetration forms steel frame to reinforced concrete column again;
B, arrange concrete reinforcement on steel frame, arrange the concrete reinforcement in the reinforced concrete column outside earlier, the concrete reinforcement in the steel frame beam outside is arranged in the back, arranges the concrete reinforcement of reinforced concrete column and steel frame beam junction at last;
C, build the reinforced concrete column concrete, undertaken by following step,
1) arranging that the qualified reinforced concrete column concrete reinforcement outside installs the concrete casting building mould of reinforced concrete column,
2) adopt high the throwing to add the casting method that vibrates and build high-strength no miniature expansive concrete in the reinforced concrete column casing, adopt the fixed point location casting method that vibrates to build the concrete in the reinforced concrete column casing outside, in building complete reinforced concrete column casing and the concrete outside the casing;
D, form removal, concrete curing are treated to remove formwork for placing again after concrete strength reaches designing requirement, press the code requirement curing concrete.
Further be, high throwing adds the casting method that vibrates and may further comprise the steps, the vibratory equipment that length and reinforced concrete column height are complementary is put into the bottom of box reinforced concrete column casing and is started vibratory equipment in advance, the high-strength no miniature expansive concrete that will mix at reinforced concrete column place suitable for reading is thrown in the reinforced concrete column casing then, and promote vibratory equipment while vibrating being thrown into the concrete while, to building the interior concrete of complete reinforced concrete column casing.
The optimal way of such scheme is, during high-strength no miniature expansive concrete, the high-strength no miniature expansive concrete that mixes is to adopt the mode of automobile pumping commercial concrete directly to be thrown in the casing from reinforced concrete column casing top in building the reinforced concrete column casing.
Further be, adopt fixed point location to vibrate casting method when building the external wrapping concrete of reinforced concrete column, may further comprise the steps, earlier vibratory equipment is arranged into around the reinforced concrete column pouring area and starts vibratory equipment in advance, even to the pouring area then
Further be, the reinforcing bar that is arranged in the steel frame outside comprises peg, vertical applied force reinforcing bar and crosswise fixed stirrup, undertaken by following step during layout, earlier nail solder is connected on reinforced concrete column and the steel frame beam, and then, arrange prefabricated crosswise fixed stirrup at last again the outside of vertical applied force reinforcement placement to reinforced concrete column and steel frame beam.
Further be, before building the encased steel reinforced concrete in the reinforced concrete column outside, the external surface to steel frame carries out processing of rust removing earlier, is silver gray up to the external surface of steel frame.
Further be, the maximum particle diameter of stone of concrete that is used for the encased steel skeleton is less than adjacent two vertical applied force bar space, and the concrete slump that mixes is 200 ± 10mm.
The invention has the beneficial effects as follows: by being embedded with on the installation basis of stone bolt earlier, reinforced concrete column and the steel frame beam made in advance are installed, and adjust the installation quality of reinforced concrete column, thereby effectively guaranteed the installation quality of the reinforced concrete column before combined steel and concrete column is built by install adjusting backing plate and temporary fixed cable wind rope; And then by the concrete reinforcement of arranging the reinforced concrete column outside earlier, the concrete reinforcement in the steel frame beam outside is arranged in the back, arrange the concrete reinforcement that is disposed in order the steel frame outside of the concrete reinforcement at node place at last, thereby effectively guaranteed the layout quality of concrete steel muscles and bones on the combined steel and concrete column; Install the concreting template in the reinforced concrete column outside more at last, adopt high throwing to add the casting method that vibrates and build the interior concrete of reinforced concrete column casing, adopt the fixed point location casting method that vibrates to build the outer concrete of reinforced concrete column casing, treat to remove formwork for placing after the concrete crystallization reaches requirement of strength, curing concrete, by above-mentioned job practices, effectively guaranteed the integral manufacturing quality of combined steel and concrete column, solved with combined steel and concrete column is the steel reinforced concrete framework of one of main bearing carrier, the problems that in construction, exist, guaranteed the construction quality of combined steel and concrete column, by described method combined steel and concrete column is constructed, can guarantee with the steel frame to be the physical dimension and the load-bearing requirement of large-scale metallurgical industrial premises structure of foundation construction.Before concreting, to be in place by the steel frame that reinforced concrete column and steel frame beam constitute earlier, arrange concrete reinforcement in the outside of reinforced concrete column and steel frame beam more afterwards, be convenient to the installation of junction steel frame and the layout of junction concrete reinforcement, guaranteed the required precision of construction, the pouring quality that improves steel reinforced concrete for postorder lays the first stone; During concreting, adopt high the throwing to add vibrate casting method and the fixed point location method of vibrating and carry out pouring construction, can effectively improve concrete pouring quality, thereby make reason owing to the construction technology aspect, do not obtain the factory building steel reinforced concrete framework applied, after having overcome a major defect aspect the above-mentioned construction technology and a difficult problem, obtain promotion and application widely, adopt described job practices simultaneously, can also effectively solve the technical barrier that steel reinforced concrete brings to construction technology on the structure, make the steel reinforced concrete framework large-scale, high temperature, applied in the metallurgical industry Industrial Plant that fully loaded transportation condition is worked down.
Description of drawings
Fig. 1 is the structural representation of the factory building steel reinforced concrete framework that the present invention relates to;
Fig. 2 is the 1-1 sectional view of Fig. 1 of the present invention;
Fig. 3 is the 2-2 sectional view of Fig. 1 of the present invention;
Fig. 4 is the 3-3 sectional view of Fig. 1 of the present invention;
Fig. 5 is the reinforced concrete column and the steel frame beam node schematic diagram of the steel reinforced concrete framework that the present invention relates to;
Fig. 6 is the tentatively fixedly schematic diagram of reinforced concrete column of the present invention.
Be labeled as among the figure: combined steel and concrete column 1, steel frame 3, reinforced concrete column 31, lateral partitions 311, steel frame beam 32, reinforcing bar 4, peg 41, vertical applied force reinforcing bar 42, crosswise fixed stirrup 43, formwork for placing 5, stone bolt 6, reinforcing steel bar connecting sleeve tube 7, cable wind rope 8, adjustment backing plate 9, stirrup pass hole 10.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6 be the connection diagram of the fitting arrangement of structural representation, steel frame, concrete reinforcement of the factory building steel reinforced concrete framework that relates to of large-scale metallurgical industrial premises steel reinforced concrete column construction method of the present invention and combined steel and concrete column, steel framed concrete beam.Engage accompanying drawing below to a kind of job practices that can guarantee the large-scale metallurgical industrial premises combined steel and concrete column of combined steel and concrete column fabricating quality provided by the invention.Job practices of the present invention may further comprise the steps,
A, installation steel frame 3, earlier previously prepared box reinforced concrete column 31 is installed on the installation basis that is embedded with stone bolt 6, tentatively fixing with temporary fixed cable wind rope 8, and adjust verticality, center line and the installation elevation that backing plate 9 and cable wind rope 8 are adjusted reinforced concrete columns 31 by being arranged on the installation of installing on the basis; And then previously prepared H type steel frame beam 32 is installed between adjacent two reinforced concrete columns 31, the last lower wing plate of H type steel frame beam 32 is alignd with the inner lateral partitions 311 of installing in box reinforced concrete column 31 corresponding positions, and after preliminary fixing, the solid welding of full penetration forms steel frame 3 to reinforced concrete column 31 again;
B, arrange concrete reinforcement 4 on steel frame 3, arrange the concrete reinforcement 4 in reinforced concrete column 31 outsides earlier, the concrete reinforcement 4 in steel frame beam 32 outsides is arranged in the back, arranges the concrete reinforcement 4 of reinforced concrete column 31 and steel frame beam 32 junctions at last;
C, build the reinforced concrete column concrete, undertaken by following step,
1) arranging that qualified reinforced concrete column concrete reinforcement 4 outsides install the concrete casting building mould 5 of reinforced concrete column 31,
2) adopt high the throwing to add the casting method that vibrates and build high-strength no miniature expansive concrete in reinforced concrete column 31 casings, adopt the fixed point location casting method that vibrates to build the concrete in the reinforced concrete column 31 casings outside, in building complete reinforced concrete column 31 casings and the concrete outside the casing;
D, form removal, concrete curing are treated to remove formwork for placing 5 again after concrete strength reaches designing requirement, press the code requirement curing concrete.
Above-mentioned elder generation installs on the basis at the reinforced concrete column that is embedded with reinforced concrete column stone bolt 6, reinforced concrete column 31 and the steel frame beam 32 made in advance are installed, and adjust the installation quality of reinforced concrete column 31, thereby effectively guaranteed the installation quality of the reinforced concrete column 31 of combined steel and concrete column 1 before building by install adjusting backing plate 9 and temporary fixed cable wind rope 8; And then by the concrete reinforcement 4 of arranging reinforced concrete column 31 outsides earlier, the concrete reinforcement 4 in steel frame beam 32 outsides is arranged in the back, arrange the concrete reinforcement 4 that is disposed in order steel frame 3 outsides of the concrete reinforcement 4 at node place at last, thereby effectively guaranteed the layout quality of concrete reinforcement 4 on the combined steel and concrete column 1; Install concreting template 5 in reinforced concrete column 31 outsides more at last, adopt high throwing to add the casting method that vibrates and build the interior concrete of reinforced concrete column 31 casings, adopt the fixed point location casting method that vibrates to build the outer concrete of reinforced concrete column 31 casings, treat to remove formwork for placing 5 after the concrete crystallization reaches requirement of strength, curing concrete, by above-mentioned job practices, effectively guaranteed the integral manufacturing quality of combined steel and concrete column 1, solved with the steel reinforced concrete framework of combined steel and concrete column 1 for one of main bearing carrier, the problems that in construction, exist, guaranteed the construction quality of combined steel and concrete column 1, by described method combined steel and concrete column 1 is constructed, can guarantee with steel frame 3 to be the physical dimension and the load-bearing requirement of the large-scale metallurgical industrial premises structure of foundation construction.Before concreting, to be in place by the steel frame 3 that reinforced concrete column 31 and steel frame beam 32 constitute earlier, arrange concrete reinforcement 4 in the outside of reinforced concrete column 31 and steel frame beam 32 more afterwards, be convenient to the installation of junction steel frame 3 and the layout of junction concrete reinforcement 4, guaranteed the required precision of construction, the pouring quality that improves steel reinforced concrete for postorder lays the first stone; During concreting, adopt high the throwing to add vibrate casting method and the fixed point location casting method that vibrates and carry out concrete pouring construction, can effectively improve concrete pouring quality, thereby make reason owing to the construction technology aspect, do not obtain the factory building steel reinforced concrete framework applied, after having overcome a major defect aspect the above-mentioned construction technology and a difficult problem, obtain promotion and application widely, adopt described job practices simultaneously, can also effectively solve the technical barrier that steel reinforced concrete brings to construction technology on the structure, make the steel reinforced concrete framework large-scale, high temperature, applied in the metallurgical industry Industrial Plant that fully loaded transportation condition is worked down.The welding of full penetration described in the present invention is meant when being welded to steel frame beam 32 on the reinforced concrete column 31 by the end, does not allow lack of penetration, incomplete fusion that exceeds code requirement and the pore that exceeds code requirement, slag inclusion etc. in the weld seam.In order to guarantee the up-to-standard of weld seam, when detecting welding quality, ultrasound examination is carried out in the field joint requirement of on-the-spot reinforced concrete column 31 and steel frame beam 32, reach the requirement of design weldquality.
Because the concrete reinforcement of arranging in steel frame 3 outsides 4 is all very intensive, but the operating space that stays when giving concreting is all less, for the internal soundness that both guarantees that the steel reinforced concrete framework is built, guarantee to build the presentation quality of the steel reinforced concrete framework after finishing again, in the above-mentioned embodiment, when building the encased steel reinforced concrete in reinforced concrete column 31 outsides, adopted the fixed point location casting method that vibrates.In order to make building lacking that work step tries one's best of combined steel and concrete column, the concrete pouring quality of assurance that can be best again, the described fixed point location casting method that vibrates may further comprise the steps, before placing of concrete, earlier vibratory equipment is arranged into reinforced concrete column 31 pouring area all around and also starts vibratory equipment in advance, then to the even blanking in pouring area, and vibrated concrete limit, limit upwards promotes vibratory equipment, finishes whole combined steel and concrete column 1 up to primary concreting.So both can guarantee the pouring quality of steel reinforced concrete framework, and can make whole combined steel and concrete column 1 not build cold seam in appearance again, thereby the outward appearance that guarantees combined steel and concrete column is very attractive in appearance.Adopting the above-mentioned fixed point location casting method that vibrates to build when surveying concrete outside the reinforced concrete column, owing to be to arrange vibratory equipment in advance, and be that primary concreting is finished from the bottom up, so when selecting vibratory equipment for use, its length should be complementary with the height of reinforced concrete column 31.
Because reinforced concrete column 31 is the box post, in order to strengthen the supporting capacity of reinforced concrete column 31, so also built concrete in the casing of box reinforced concrete column 31.In order to guarantee the pouring quality of casing inner concrete, adopted high throwing to add the casting method that vibrates in the above-described embodiment and built.Described high throwing adds the casting method that vibrates and may further comprise the steps, the vibratory equipment that length and reinforced concrete column 31 highly are complementary is put into the bottom of box reinforced concrete column 31 casings and is started vibratory equipment in advance, the high-strength no miniature expansive concrete that will mix at reinforced concrete column place suitable for reading is thrown in the reinforced concrete column casing then, and promote vibratory equipment while vibrating being thrown into the concrete while, to building the interior concrete of complete reinforced concrete column 31 casings.So both can guarantee the pouring quality of steel reinforced concrete framework, and can improve the supporting capacity of whole combined steel and concrete column 1 again.In order to make the concrete in reinforced concrete column 31 lower part box more closely knit, improve supporting capacity, in building the reinforced concrete column casing during high-strength no miniature expansive concrete, the high-strength no miniature expansive concrete that mixes, be to adopt the mode of automobile pumping commercial concrete directly to be thrown in the casing from reinforced concrete column 31 casing tops, give to form high throwing pressure in the casing, thereby effectively increase the concrete compactness in reinforced concrete column 31 lower part box.
Load bearing requirements according to steel reinforced concrete framework factory building, and for concrete and steel frame can be combined to greatest extent, the reinforcing bar 4 that is arranged in steel frame 3 outsides comprises peg 41, vertical applied force reinforcing bar 42 and crosswise fixed stirrup 43 etc., layout for convenience of these reinforcing bars 4, guarantee the quality requirement of layout, when arranging, earlier peg 41 is welded on reinforced concrete column 31 and the steel frame beam 32, and then vertical applied force reinforcing bar 42 is arranged into the outside of reinforced concrete column 31 and steel frame beam 32, arrange prefabricated crosswise fixed stirrup 43 at last again.In order to make vertical applied force reinforcing bar 42 in the process of building, bigger relatively moving can not occur, so between vertical applied force reinforcing bar 42 and arranged outside crosswise fixed stirrup 43 is arranged, at this moment, when being positioned at reinforced concrete column 31 and steel frame beam 32 node places and need passing the crosswise fixed stirrup 43 of steel frame beam 32 webs for the ease of layout, in structure steel fabrication factory the stirrup on the web of steel frame beam is passed hole 10 processing in advance and bore the type of making, in the erecting bed, again frame type crosswise fixed stirrup 43 is divided into four L types or two shape of the mouth as one speaks stirrups, and then pass stirrup and pass hole 10, and joint welding becomes frame type stirrup in the process of arranging, joint welding length is not less than 10d, so both can guarantee to be arranged in vertical applied force reinforcing bar 42 relative positions in reinforced concrete column 31 outsides, make things convenient for the layout of crosswise fixed stirrup 43 again in steel frame beam 32 positions.Design feature according to factory building reinforcing bar framework, when arranging the vertical applied force reinforcing bar 42 in steel frame beam 32 outsides, steel frame beam vertical applied force reinforcing bar 42 two ends need be fixed on the reinforced concrete column 31, arrange in order both to make things convenient for, can guarantee the quality of arranging again, the two ends of steel frame beam 32 outside vertical applied force reinforcing bars 42 are fixed on the reinforced concrete column 31 by straight thread reinforcing steel bar connecting sleeve tube 7, its order of placement is, earlier straight thread reinforcing steel bar connecting sleeve tube 7 is welded on the reinforced concrete column 31, again vertical applied force reinforcing bar 42 is split into two sections, and then at the end of vertical applied force reinforcing bar 42 cover system screw thread, and be screwed onto on the qualified straight thread reinforcing steel bar connecting sleeve tube 7 of welding, at last corresponding vertical applied force reinforcing bar 42 is connected joint welding, its joint welding length is not less than 10d.The welding of straight thread reinforcing steel bar connecting sleeve tube 7 on reinforced concrete column 31 for the ease of steel frame beam 32 belows, also can be earlier with the straight thread reinforcing steel bar connecting sleeve tube 7 of described position before reinforced concrete column 31 is installed, install earlier be welded to the relevant position of reinforced concrete column 31 after, reinforced concrete column 31 is installed again.Adopt above-mentioned job practices just can guarantee the layout quality of the concrete reinforcement 4 of the concrete reinforcement 4 in steel frame 3 outsides and reinforced concrete column 31 and girder steel 32 junctions, and arrange also very convenient.
For concrete and steel frame 3 can effectively be bondd, steel frame 3 is being carried out before external wrapping concrete builds, the external surface to steel frame 3 carries out processing of rust removing earlier, is silver gray up to the external surface of steel frame 3; Simultaneously, in order to guarantee concrete pouring quality, the maximum particle diameter of stone of concrete that is used for encased steel skeleton 3 is less than the spacing of adjacent two vertical applied force reinforcing bars 42, and the concrete slump that mixes is 200 ± 10mm.
Claims (8)
1. the job practices of large-scale metallurgical industrial premises combined steel and concrete column may further comprise the steps,
A, installation steel frame (3), earlier previously prepared box reinforced concrete column (31) is installed on the installation basis that is embedded with stone bolt (6), tentatively fix with temporary fixed cable wind rope (8), and adjust verticality, center line and the installation elevation of backing plate (9) and cable wind rope (8) adjustment reinforced concrete column (31) by being arranged on the installation of installing on the basis; And then previously prepared H type steel frame beam (32) is installed between adjacent two reinforced concrete columns (31), the last lower wing plate of H type steel frame beam (32) is alignd with the inner lateral partitions (311) of installing in box reinforced concrete column (31) corresponding position, and after preliminary fixing, the solid welding of full penetration is gone up to reinforced concrete column (31) and is formed steel frame (3) again;
B, go up to arrange concrete reinforcement (4) at steel frame (3), arrange the concrete reinforcement (4) in reinforced concrete column (31) outside earlier, the concrete reinforcement (4) in steel frame beam (32) outside is arranged in the back, arranges the concrete reinforcement (4) of reinforced concrete column (31) and steel frame beam (32) junction at last;
C, build the reinforced concrete column concrete, undertaken by following step,
1) arranging that qualified reinforced concrete column concrete reinforcement (4) outside installs the concrete casting building mould (5) of reinforced concrete column (31),
2) adopt high the throwing to add the casting method that vibrates and build high-strength no miniature expansive concrete in reinforced concrete column (31) casing, adopt the fixed point location casting method that vibrates to build the concrete in reinforced concrete column (31) the casing outside, up to building complete reinforced concrete column (31) casing in casing outside concrete;
D, form removal, concrete curing are treated to remove formwork for placing (5) again after concrete strength reaches designing requirement, press the code requirement curing concrete.
2. the job practices of large-scale metallurgical industrial premises combined steel and concrete column according to claim 1, it is characterized in that: high throwing adds the casting method that vibrates and may further comprise the steps, the vibratory equipment that length and reinforced concrete column (31) highly are complementary is put into the bottom of box reinforced concrete column (31) casing and is started vibratory equipment in advance, the high-strength no miniature expansive concrete that will mix at reinforced concrete column (31) place suitable for reading is thrown in reinforced concrete column (31) casing then, and promote vibratory equipment while vibrating being thrown into the concrete while, to building the interior concrete of complete reinforced concrete column (31) casing.
3. the job practices of large-scale metallurgical industrial premises combined steel and concrete column according to claim 2, it is characterized in that: in building reinforced concrete column (31) casing during high-strength no miniature expansive concrete, the high-strength no miniature expansive concrete that mixes is to adopt the mode of automobile pumping commercial concrete directly to be thrown in the casing from reinforced concrete column (31) casing top.
4. according to the job practices of claim 1,2 or 3 described large-scale metallurgical industrial premises combined steel and concrete columns, it is characterized in that: adopt fixed point location to vibrate casting method when building the external wrapping concrete of reinforced concrete column (31), may further comprise the steps, earlier vibratory equipment is arranged into reinforced concrete column (31) and also starts vibratory equipment in advance in the pouring area all around, then to the even blanking in pouring area, and vibrated concrete limit, limit upwards promotes vibratory equipment, finishes whole combined steel and concrete column (1) up to primary concreting.
5. the job practices of large-scale metallurgical industrial premises combined steel and concrete column according to claim 4, it is characterized in that: the reinforcing bar (4) that is arranged in steel frame (3) outside comprises peg (41), vertical applied force reinforcing bar (42) and crosswise fixed stirrup (43), undertaken by following step during layout, earlier peg (41) is welded on reinforced concrete column (31) and the steel frame beam (32), and then vertical applied force reinforcing bar (42) is arranged into the outside of reinforced concrete column (31) and steel frame beam (32), arrange prefabricated crosswise fixed stirrup (43) at last again.
6. according to the job practices of claim 1,2 or 3 described large-scale metallurgical industrial premises combined steel and concrete columns, it is characterized in that: the reinforcing bar (4) that is arranged in steel frame (3) outside comprises peg (41), vertical applied force reinforcing bar (42) and crosswise fixed stirrup (43), undertaken by following step during layout, earlier peg (41) is welded on reinforced concrete column (31) and the steel frame beam (32), and then vertical applied force reinforcing bar (42) is arranged into the outside of reinforced concrete column (31) and steel frame beam (32), arrange prefabricated crosswise fixed stirrup (43) at last again.
7. the job practices of large-scale metallurgical industrial premises combined steel and concrete column according to claim 1, it is characterized in that: before the encased steel reinforced concrete of building reinforced concrete column (31) outside, earlier the external surface to steel frame (3) carries out processing of rust removing, is silver gray up to the external surface of steel frame (3).
8. the job practices of large-scale metallurgical industrial premises combined steel and concrete column according to claim 1, it is characterized in that: the maximum particle diameter of stone of concrete that is used for encased steel skeleton (3) is less than the spacing of adjacent two vertical applied force reinforcing bars (42), and the concrete slump that mixes is 200 ± 10mm.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350777A (en) * | 2015-11-27 | 2016-02-24 | 中国一冶集团有限公司 | Device and method for one-time pouring molding of ultra-high concrete column |
| CN105649360A (en) * | 2015-12-29 | 2016-06-08 | 山东远博建筑科技有限公司 | Integral assembling type building system and installing method |
| CN106013799A (en) * | 2016-06-15 | 2016-10-12 | 国网江苏省电力公司扬州供电公司 | Construction method of structural support bare concrete protective cap |
| CN108086682A (en) * | 2017-12-25 | 2018-05-29 | 何文峰 | Concrete structure, material and the engineering method that multilayer floor slab can construct simultaneously |
| CN108166750A (en) * | 2018-02-01 | 2018-06-15 | 齐齐哈尔大学 | A kind of manpower-free's vibrated concrete wall construction template and implementing process |
| CN110984384A (en) * | 2019-12-09 | 2020-04-10 | 中国十七冶集团有限公司 | Installation method of lower frame column system of steel-making tower |
| CN112192705A (en) * | 2020-09-22 | 2021-01-08 | 浙江工业大学工程设计集团有限公司 | Prefabricated process for assembled structure |
| CN113931378A (en) * | 2021-10-28 | 2022-01-14 | 上海宝冶冶金工程有限公司 | Installation method of column with complex cross section structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320750A (en) * | 2000-04-27 | 2001-11-07 | 世纪钢铁厂股份有限公司 | Construction method for steel structure, steel skeleton reinforced concrete |
| CN2495711Y (en) * | 2001-08-22 | 2002-06-19 | 徐州市建筑设计研究院 | Vertical and cross-linking reinforcing steel bar type concrete joint |
| CN1363747A (en) * | 2001-01-10 | 2002-08-14 | 上海万通工程营造有限公司 | Construction method and concrete-steel beams and floor slabs of building with steel frame and its form hoist |
| CN201381556Y (en) * | 2009-04-24 | 2010-01-13 | 王玥 | Connected node of steel girder and combined steel and concrete column |
-
2011
- 2011-03-22 CN CN2011100688446A patent/CN102102443B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320750A (en) * | 2000-04-27 | 2001-11-07 | 世纪钢铁厂股份有限公司 | Construction method for steel structure, steel skeleton reinforced concrete |
| CN1363747A (en) * | 2001-01-10 | 2002-08-14 | 上海万通工程营造有限公司 | Construction method and concrete-steel beams and floor slabs of building with steel frame and its form hoist |
| CN2495711Y (en) * | 2001-08-22 | 2002-06-19 | 徐州市建筑设计研究院 | Vertical and cross-linking reinforcing steel bar type concrete joint |
| CN201381556Y (en) * | 2009-04-24 | 2010-01-13 | 王玥 | Connected node of steel girder and combined steel and concrete column |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350777A (en) * | 2015-11-27 | 2016-02-24 | 中国一冶集团有限公司 | Device and method for one-time pouring molding of ultra-high concrete column |
| CN105649360A (en) * | 2015-12-29 | 2016-06-08 | 山东远博建筑科技有限公司 | Integral assembling type building system and installing method |
| CN106013799A (en) * | 2016-06-15 | 2016-10-12 | 国网江苏省电力公司扬州供电公司 | Construction method of structural support bare concrete protective cap |
| CN108086682A (en) * | 2017-12-25 | 2018-05-29 | 何文峰 | Concrete structure, material and the engineering method that multilayer floor slab can construct simultaneously |
| CN108166750A (en) * | 2018-02-01 | 2018-06-15 | 齐齐哈尔大学 | A kind of manpower-free's vibrated concrete wall construction template and implementing process |
| CN108166750B (en) * | 2018-02-01 | 2024-02-02 | 齐齐哈尔大学 | Template for construction of concrete wall without manual vibration and implementation process |
| CN110984384A (en) * | 2019-12-09 | 2020-04-10 | 中国十七冶集团有限公司 | Installation method of lower frame column system of steel-making tower |
| CN112192705A (en) * | 2020-09-22 | 2021-01-08 | 浙江工业大学工程设计集团有限公司 | Prefabricated process for assembled structure |
| CN112192705B (en) * | 2020-09-22 | 2021-08-20 | 浙江工业大学工程设计集团有限公司 | Prefabricated process for assembled structure |
| CN113931378A (en) * | 2021-10-28 | 2022-01-14 | 上海宝冶冶金工程有限公司 | Installation method of column with complex cross section structure |
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