CN104453044A - Hollow slab suitable for frame core tube structure - Google Patents
Hollow slab suitable for frame core tube structure Download PDFInfo
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- CN104453044A CN104453044A CN201410729494.7A CN201410729494A CN104453044A CN 104453044 A CN104453044 A CN 104453044A CN 201410729494 A CN201410729494 A CN 201410729494A CN 104453044 A CN104453044 A CN 104453044A
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Abstract
The invention relates to a hollow slab suitable for a frame core tube structure and a construction method of the hollow slab and belongs to the field of building construction. The hollow slab is divided into two kinds of plates in the plane view, namely corner plates (6) and middle plates (7); corner hidden beams (5) are arranged in the hollow slab; the corner hidden beams (5) are the boundaries of the two kinds of plates; filling boxes (8) and filling rod combined blocks (9) are simultaneously arranged in the corner plates (6); at least one row or line of filling rod combined blocks (9) are arranged in each corner plate (6) in the areas along two side beams (2) respectively; at least one row or line of filling rod combined blocks (9) are arranged in each corner plate (6) along the corner hidden beams (5); the inner corners (11) of the corner plates (6) are solid areas; at least two rows of filling boxes (8) and at least two lines of filling boxes (8) are arranged in the other area of each corner plate. The hollow slab provided by the invention gives full play to the advantages of the filling boxes and filling rods, and has the effects of high hollow ratio, high load-carrying capacity and convenience for construction. The hollow slab has good economy and applicability.
Description
(1) technical field
The present invention relates to a kind of reinforced concrete hollow floor structure, especially a kind of hollowcore slab and implementation method thereof being applicable to framework core wall structure, belong to buildings in general structure field.
(2) background technology
At building field, along with large-span concrete structure is increasing, alleviate dead load again to reduce structure floor height, highrise building also increasing floor adopts hollow floor structure technology, and it is advantageous particularly to alleviate the antidetonation of dead load to highrise building simultaneously.In existing hollow building cover system, relate to the packing material in hollowcore slab, mainly contain filler rod (also known as " cylinder core ") and the large class of filling box two.The section configuration of filler rod is circular or polygon or other composite figure, and its section maximum size and the ratio of minimum dimension be general≤2, its planar dimension length and the ratio of width be general >=and 2.The section configuration of filling box is rectangle and rectangle corner cut or chamfering, and its flat shape is generally square, also can be rectangle, ratio≤1.5 of usual planar dimension length and width.The hollow rate forming hollowcore slab with filling box obviously will exceed the hollowcore slab formed with filler rod, but from mechanics principle, exactly because the relatively little then concrete sectional area of filler rod hollow rate is relatively large, so be greater than the filling box hollowcore slab of same thickness along the supporting capacity of filler rod direction hollowcore slab, especially shear resistance, certainly, perpendicular to filler rod direction hollowcore slab supporting capacity especially shear resistance be more weak.
In reinforced concrete structure highrise building, framework core wall structure (being called for short " inner core housing ") occupies sizable proportion.Be suitable in framework core wall structure in the engineering of hollowcore slab, the general filler rod that uses is as packing material, and floor is mostly by one-way slabs design.After 2007, there are some engineerings in the gusset of framework core wall structure, use filling box as packing material, generally still adopt filler rod to fill at middle plate.As previously mentioned, the advantage that filling box has hollow rate large, also has the defect of shear behavior difference, if make full use of the advantage of filling box and filler rod, is applied in by bi-material in same floor, is significantly thing.
By filling box and filler rod used in combination in, applicant has done a large amount of research and experiment work, for the structure types that some are different, applicant successively proposed " a kind of filler rod and filling box hollowcore slab used in combination " (ZL201010560553.4) and " a kind of filler rod and filling box slab column system hollowcore slab used in combination " (ZL201010560571.2), but above-mentioned technology also has certain limitation.ZL201010560553.4 is suitable for two-way slab, ZL201010560571.2 is suitable for slab column system, and except middle plate is close to except one-way slabs in floor in framework core wall structure, when bright beam is not set between framework Core Walls Structure, its gusset, neither slab column system neither two-way slab structure; Therefore above-mentioned technology is not suitable for framework core wall structure, if rashly used, does not only reach due mechanics effect, even also may there is the risk of structural safety.
Also do not have a kind of technology to be specially adapted to the highrise building of framework core wall structure in the prior art, develop and a kind ofly can give full play to filling box and filler rod advantage separately, hollow rate is large, stress performance good, the hollowcore slab technology that can be used in framework core wall structure of easy construction has become current urgent problem.
(3) summary of the invention
In the prior art, there is the problems such as hollowcore slab hollow rate is little, stress performance is poor, construction trouble, the object of the present invention is to provide a kind of hollowcore slab being applicable to framework core wall structure, this hollowcore slab hollow rate is large, stress performance good, easy construction.
For achieving the above object, the technical solution used in the present invention is: provide a kind of hollowcore slab being applicable to framework core wall structure, this hollowcore slab external boundary is frame column and side bar, inner boundary is shear wall or coupling beam, this hollowcore slab is divided into the plate of gusset and middle plate two type plane, the dark beam in bight is arranged in hollowcore slab, both direction shear wall intersection point is connected with frame column by the dark beam in bight, the dark beam in bight is the line of demarcation of inhomogeneity template, arrange filling box and filler rod combination block in gusset simultaneously, arrange at least 1 row or 1 row filler rod combination block respectively along twice side bar region in gusset, external angle and filler rod combination block on inner corner portion line towards vertical with the direction of one of twice side bar in gusset, all the other filler rod combination block vertical towards its immediate side bar, 1 row or 1 row filler rod combination block is at least arranged along An Liang direction, bight in gusset, filler rod combination block vertical towards the side bar crossing with the dark beam in the bight that it is close to, the inner corner portion of gusset is solid area, at least 2 row and at least 2 row filling box are arranged in all the other regions of gusset, in gusset between adjacent filling box, be solid rib between adjacent filler rod combination block and between adjacent filling box and filler rod combination block, the through solid rib to the dark beam of side bar and bight of both direction forms a kind of orthogonal grid, width >=the 100mm of described solid rib.Arrange in gusset that filling box and filler rod combination block can improve the hollow rate of floor simultaneously, arrange at least 1 row or 1 row filler rod combination block respectively along twice side bar region in gusset, because side bar region shearing is all larger, this region arranges that the shear strength of filling box likely floor is inadequate, not only to construct trouble but also increase cost if increase configuration shearing resistance stirrup.Filler rod combination block towards vertical with side bar, can ensure that shearing passes on side bar along shortest path.Because bight is dark and near zone not only moment of flexure is large but also shearing is also large, arrange filler rod combination block along the dark beam in bight, can ensure that the dark beam stress performance in bight is good, form the slab strips on columns effect strengthened together.The inner corner portion of gusset is area of stress concentration, and greatly, this region is set to as solid area, only slightly lower the integral hollow rate of floor, but greatly can improve cracking resistance and the punch resistant capability of area of stress concentration floor for its shearing force and horizontal both direction tensile stress.Be solid rib between adjacent filling box and adjacent filler rod combination block in gusset, solid rib is relative to the reinforcing band in floor, the through solid rib to the dark beam of side bar and bight of both direction forms a kind of orthogonal grid, a kind of effect of space-load can be formed in floor, just in case that direction Lack of support, the component in another direction can be made up, thus improves the safety of structure.Width >=the 100mm of solid rib is the numerical value summed up through test of many times, if solid rib is less than 100mm, one be in construction bad guarantee rib can before and after through, two is that the effect of formed reinforcing band is as calculated also bad.
Further, arrange at least 1 row's filler rod combination block along side bar region in middle plate, solid rib is had between filler rod combination block, described filler rod combination block vertical towards its immediate side bar, in middle plate, at least 1 row's filler rod combination block is arranged in shear wall region, solid rib is had between filler rod combination block, described filler rod combination block vertical towards its immediate shear wall, 1 row filler rod combination block is at least arranged along An Liang direction, bight in middle plate, described filler rod combination block vertical towards the side bar crossing with the dark beam in the bight that it is close to, be solid rib between the filler rod combination block of arranging along the dark beam in bight, this solid rib keeps through across the solid rib that the dark beam in bight is corresponding with gusset, ordered series of numbers filling box or filler rod combination block are arranged in all the other regions of middle plate, often in row, filling box or filler rod combination block are close to layout each other, it is solid rib between adjacent column, and solid rib corresponding between this solid rib with the filler rod combination block of arranging along side bar and shear wall region keeps through, width >=the 100mm of described solid rib, described being close to arranges filling box or filler rod combination block minimum clear distance≤15mm each other.Arrange filler rod combination block along side bar and shear wall region, be in order to plate in improving is at the shear resistance of shearing compared with great Qu equally, have solid rib to be still between filler rod combination block and form the corresponding of reinforcing band.Arrange filler rod combination block along An Liang direction, bight, its effect is identical with the effect of the filler rod combination block on bight An Liang limit in gusset, exactly in order to strengthen the dark beam in bight.Keep through along solid rib between the filler rod combination block of the dark beam in bight layout across the solid rib that the dark beam in bight is corresponding with gusset in middle plate, the subregion in middle plate can be made also to help and to participate in the stressed of gusset, reach the object of the amount of reinforcement reducing the dark beam in bight or the thickness reducing hollowcore slab.Ordered series of numbers filling box or filler rod combination block are arranged in all the other regions of middle plate, and often in row, filling box or filler rod combination block are close to layout each other, can improve the hollow rate of floor as much as possible.Be solid rib between adjacent column, and and between the filler rod combination block of arranging along side bar and shear wall region solid rib keep through, can ensure that the approach of power transmission is clear and definite.Desirable layout of being close to is that adjacent objects is close to fitting together perfectly, but this is difficult to realize in engineering, restriction filling box or filler rod combination block minimum clear distance≤15mm are each other conveniently construction and installation work, also provide a kind of quality acceptance standard simultaneously.
Further, in middle plate, arrange the dark beam in middle part, middle part shear wall or coupling beam are connected with frame column by the dark beam in middle part.In the middle part of setting up, dark beam can strengthen the connection between shear wall and frame column, improves the globality of structure.
Further, in hollowcore slab, arrange filling box or filler rod combination block, when remaining space is not enough to arrange standard-sized filling box and the cloth postpone of filler rod combination block, fill described remaining space with single filler rod or special-shaped filler rod combination block.Hollowcore slab in engineering, most areas is all go to fill with standard-sized packing material, but any construction work can not be the size of foundation packing material decides its layout, therefore will inevitably occur that portion area dimensions is not enough to arrange the situation of standard size packing material.When remaining space is not enough to arrange standard-sized filling box and the cloth postpone of filler rod combination block, fills described remaining space with single filler rod or special-shaped filler rod combination block, above-mentioned zone can be avoided to water and build up solid slab, the hollow rate of floor can be improved.
Further, when the dark beam in bight and side bar out of plumb, along bight, dark beam arranges single filler rod or special-shaped filler rod combination block, single filler rod or special-shaped filler rod combination block vertical towards the side bar crossing with the dark beam in the bight that it is close to.For the situation of the oblique layout of the dark beam in bight, along bight, dark beam arranges single filler rod or special-shaped filler rod combination block, and namely it both solved towards vertical with side bar the problem avoiding floor hollow rate to reduce, and solves again the problem of force path.
Further, when the side bar of present position, gusset external angle region is cant beam, arranged single filler rod adjacent with oblique side bar or special-shaped filler rod combination block in the side bar arranged with 2 road orthogonal directions arbitrarily together with the direction of side bar vertical.Solve the technical problem of the more difficult realization of hollowcore slab near oblique side bar.
Further, filler rod combination block is combined by more than 2 or 2 filler rods arranged parallel to each other and connector, and in each filler rod combination block, be provided with internal-rib between filler rod, interior rib width is 45-100mm.The program is derived from prior art, but can greatly improve site operation efficiency.
A kind of implementation method being applicable to the hollowcore slab of framework core wall structure of the present invention is: this hollowcore slab external boundary is frame column and side bar, inner boundary is shear wall or coupling beam, this hollowcore slab is divided into the plate of gusset and middle plate two type plane, the dark beam in bight is arranged in hollowcore slab, both direction shear wall intersection point is connected with frame column by the dark beam in bight, the dark beam in bight is the line of demarcation of inhomogeneity template, lower floor's reinforcing bar of colligation Method Pre-stress Concrete Hollow Slab, arrange filling box and filler rod combination block in gusset simultaneously, arrange at least 1 row or 1 row filler rod combination block respectively along twice side bar region in gusset, external angle and inner corner portion line filler rod combination block towards vertical with the direction of one of twice side bar in gusset, all the other filler rod combination block vertical towards its immediate side bar, 1 row or 1 row filler rod combination block is at least arranged along An Liang direction, bight in gusset, filler rod combination block vertical towards the side bar crossing with the dark beam in the bight that it is close to, the inner corner portion of gusset is solid area, at least 2 row and at least 2 row filling box are arranged in all the other regions of gusset, in gusset between adjacent filling box, be solid rib between adjacent filler rod combination block and between adjacent filling box and filler rod combination block, the through solid rib to the dark beam of side bar and bight of both direction forms a kind of orthogonal grid, width >=the 100mm of described solid rib, the top reinforcement of colligation hollowcore slab, concreting, stripping.
Further, arrange at least 1 row's filler rod combination block along side bar region in middle plate, solid rib is had between filler rod combination block, described filler rod combination block vertical towards its immediate side bar, in middle plate, at least 1 row's filler rod combination block is arranged in shear wall region, solid rib is had between filler rod combination block, described filler rod combination block vertical towards its immediate shear wall, 1 row filler rod combination block is at least arranged along An Liang direction, bight in middle plate, described filler rod combination block vertical towards the side bar crossing with the dark beam in the bight that it is close to, be solid rib between the filler rod combination block of arranging along the dark beam in bight, this solid rib keeps through across the solid rib that the dark beam in bight is corresponding with gusset, ordered series of numbers filling box or filler rod combination block are arranged in all the other regions of middle plate, often in row, filling box or filler rod combination block are close to layout each other, it is solid rib between adjacent column, and solid rib corresponding between this solid rib with the filler rod combination block of arranging along side bar and shear wall region keeps through, width >=the 100mm of described solid rib, described being close to arranges filling box or filler rod combination block minimum clear distance≤15mm each other.
To in the description of the technical program, some involved specialized vocabularies are as the criterion with the explanation in national regulation, code, reference book and textbook, in order to avoid ambiguity, now supplement following explanation of nouns:
The external angle of gusset: twice side bar intersection in gusset, the region of hollowcore slab inside twice side bar.
The inner corner portion of gusset: twice shear wall intersection in gusset, outside shear wall bight, inside the dark beam in twice bight the region of hollowcore slab.
Filler rod combination block: the block object that the many filler rods be arranged in parallel are combined by connector.
Filler rod combination block towards the length direction of filler rod in combination block.
The length of filler rod combination block: the length of single filler rod in combination block.
The width of filler rod combination block: comprise n root filler rod in combination block, in n root filler rod width He Yu n-1 road filler rod, rib width and addition are the width of combination block.
Standard type filler rod combination block: the length=width of filler rod combination block.
Anomaly filler rod combination block: for standard type filler rod combination block, when the combination block that the quantity generation increase and decrease of filler rod in combination block or the length of filler rod change and formed, the essential characteristic of anomaly filler rod combination block is length ≠ width.
After adopting such scheme, the present invention compared with prior art has following beneficial effect:
At a kind of hollowcore slab being applicable to framework core wall structure of the present invention, the preferential hollow rate adopting filling box greatly can improve floor in hollowcore slab; Fill in special area filler rod combination block and can be conducive to stressed guarantee structural safety; The through plate that can be conducive in different directions and region of solid rib is jointly stressed, can reduce amount of reinforcement or reduce slab thickness; Filler rod combination block is close to layout each other, can improve the hollow rate of floor as much as possible; In the middle part of setting up, dark beam can strengthen the connection between shear wall and frame column, improves the globality of structure; Fill described remaining space with single filler rod or special-shaped filler rod combination block, above-mentioned zone can be avoided to water and build up solid slab, the hollow rate of floor can be improved; Namely both solve the problem avoiding floor hollow rate to reduce along angle arrangement, solve again the problem of force path; Filler rod combination block is combined by filler rod and connector, can greatly improve site operation efficiency.Hollowcore slab of the present invention gives full play to filling box and filler rod advantage separately, hollow rate is large, stress performance good, easy construction.The present invention has good economy and applicability, plays a driving role to the development of Building technology.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described, in accompanying drawing 1-16, in order to give top priority to what is the most important, do not draw the prerequisite reinforcing bar of hollowcore slab of the present invention and concrete in the drawings.
Fig. 1 is a kind of hollowcore slab plan view being applicable to framework core wall structure of the present invention
Fig. 2 is the plan view arranging filling box and filler rod combination block in hollowcore slab
Fig. 3 is the close-up plan view of Fig. 1
Fig. 4 is the close-up plan view of Fig. 2
Fig. 5 is the A-A of gusset shown in Fig. 4 sectional drawing
Fig. 6 is middle plate B-B sectional drawing shown in Fig. 4
Fig. 7 is middle plate C-C sectional drawing shown in Fig. 4
Fig. 8 is the plan view that filler rod combination block is only arranged in all the other regions of middle plate
Fig. 9 is middle plate D-D sectional drawing shown in Fig. 8
Figure 10 is middle plate E-E sectional drawing shown in Fig. 8
Figure 11 fills remaining space plan view with single filler rod or special-shaped filler rod combination block
Figure 12 is middle plate F-F sectional drawing shown in Figure 11
Figure 13 is middle plate G-G sectional drawing shown in Figure 11
Figure 14 be the dark beam in bight and side bar out of plumb time plan view
Figure 15 is middle plate H-H sectional drawing shown in Figure 14
The plan view that Figure 16 is gusset external angle region side bar when being cant beam
Figure 17 is the plan view of filler rod combination block
Figure 18 is the sectional drawing of filler rod combination block
Figure 19 be after hollowcore slab concreting of the present invention sectional drawing
In figure: 1. frame column, 2. side bar, 3. shear wall, 4. coupling beam, the 5. dark beam in bight, 6. gusset, 7. plate in, 8. filling box, 9. filler rod combination block, 10. external angle, 11. inner corner portion, 12. solid ribs, dark beam in the middle part of in the of 13., 14. filler rods, 15. special-shaped filler rod combination block, 16. connectors.17. internal-ribs, 18. lower floor's reinforcing bars, 19. top reinforcementes, 20. concrete, 21. cant beams, 22. external angles and inner corner portion line.
(5) detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be described:
In Fig. 1-embodiment illustrated in fig. 6, a kind of hollowcore slab being applicable to framework core wall structure, this hollowcore slab external boundary is frame column (1) and side bar (2), inner boundary is shear wall (3) or coupling beam (4), this hollowcore slab is divided into the plate of gusset (6) and middle plate (7) two type plane, the dark beam in bight (5) is arranged in hollowcore slab, both direction shear wall (3) intersection point is connected with frame column (1) by the dark beam in bight (5), the dark beam in bight (5) is the line of demarcation of inhomogeneity template, arrange filling box (8) and filler rod combination block (9) in gusset (6) simultaneously, arrange at least 1 row or 1 row filler rod combination block (9) respectively along twice side bar (2) region in gusset (6), the upper filler rod combination block (9) of external angle and inner corner portion line (22) towards vertical with the direction of one of twice side bar (2) in gusset, all the other filler rod combination block (9) vertical towards its immediate side bar (2), 1 row or 1 row filler rod combination block (9) is at least arranged along dark beam (5) direction, bight in gusset (6), filler rod combination block (9) vertical towards the side bar (2) crossing with the dark beam in the bight that it is close to, the inner corner portion (11) of gusset (6) is solid area, at least 2 row and at least 2 row filling box (8) are arranged in all the other regions of gusset, in gusset (6) between adjacent filling box (8), be solid rib (12) between adjacent filler rod combination block (9) and between adjacent filling box (8) and filler rod combination block (9), the through solid rib (12) to side bar (2) and bight dark beam (5) of both direction forms a kind of orthogonal grid, width >=the 100mm of described solid rib (12).
At Fig. 4, in Fig. 7-embodiment illustrated in fig. 10, at least 1 row's filler rod combination block (9) is arranged along side bar (2) region in middle plate (7), solid rib (12) is had between filler rod combination block (9), described filler rod combination block (9) vertical towards its immediate side bar (2), in middle plate (7), at least 1 row's filler rod combination block (9) is arranged in shear wall (3) region, solid rib (12) is had between filler rod combination block (9), described filler rod combination block (9) vertical towards its immediate shear wall (3), 1 row filler rod combination block (9) is at least arranged along dark beam (5) direction, bight in middle plate (7), described filler rod combination block (9) vertical towards the side bar (2) crossing with the dark beam in the bight that it is close to, it is solid rib (12) between the filler rod combination block (9) of arranging along the dark beam in bight (5), this solid rib (12) keeps through across the solid rib (12) that the dark beam in bight (5) is corresponding with gusset (6), ordered series of numbers filling box (8) or filler rod combination block (9) are arranged in middle plate (7) all the other regions, often in row, filling box (8) or filler rod combination block (9) are close to layout each other, it is solid rib (12) between adjacent column, and solid rib (12) corresponding between this solid rib (12) with the filler rod combination block (9) of arranging along side bar (2) and shear wall (3) region keeps through, width >=the 100mm of described solid rib (12), described being close to arranges filling box (8) or filler rod combination block (9) minimum clear distance≤15mm each other.
Fig. 1-Fig. 4, Fig. 6, Fig. 8, embodiment illustrated in fig. 9 in, in middle plate (7), arrange the dark beam (13) in middle part, middle part shear wall (3) or coupling beam (4) are connected with frame column (1) by the dark beam in middle part (13).
In Fig. 4, Fig. 7-embodiment illustrated in fig. 13, filling box (8) or filler rod combination block (9) is arranged in hollowcore slab, when remaining space is not enough to arrange standard-sized filling box (8) and filler rod combination block (9) cloth postpone, fill described remaining space with single filler rod (14) or special-shaped filler rod combination block (15).
Figure 14, embodiment illustrated in fig. 15 in, when the dark beam in bight (5) and side bar (2) out of plumb, along bight, dark beam (5) arranges single filler rod (14) or special-shaped filler rod combination block (15), single filler rod (14) or special-shaped filler rod combination block (15) vertical towards the side bar (2) crossing with the dark beam in the bight that it is close to (5).
In the embodiment shown in fig. 16, when the side bar of gusset (6) external angle (10) present position, region is cant beam (21), arranged single filler rod (14) adjacent with oblique side bar (21) or special-shaped filler rod combination block (15) any in the side bar (2) arranged with 2 road orthogonal directions together with the direction of side bar (2) vertical.
Figure 17, embodiment illustrated in fig. 18 in, filler rod combination block (9) is combined by more than 2 or 2 filler rods (14) arranged parallel to each other and connector (16), in each filler rod combination block (9), be provided with internal-rib (17) between filler rod (14), interior rib width is 45-100mm.
Fig. 1-Fig. 6 and embodiment illustrated in fig. 19 in, a kind of implementation method being applicable to the hollowcore slab of framework core wall structure of the present invention is: this hollowcore slab external boundary is frame column (1) and side bar (2), inner boundary is shear wall (3) or coupling beam (4), this hollowcore slab is divided into the plate of gusset (6) and middle plate (7) two type plane, the dark beam in bight (5) is arranged in hollowcore slab, both direction shear wall (3) intersection point is connected with frame column (1) by the dark beam in bight (5), the dark beam in bight (5) is the line of demarcation of inhomogeneity template, lower floor's reinforcing bar (18) of colligation Method Pre-stress Concrete Hollow Slab, arrange filling box (8) and filler rod combination block (9) in gusset (6) simultaneously, arrange at least 1 row or 1 row filler rod combination block (9) respectively along twice side bar (2) region in gusset (6), external angle and inner corner portion line (22) filler rod combination block (9) towards vertical with the direction of one of twice side bar (2) in gusset, all the other filler rod combination block (9) vertical towards its immediate side bar (2), 1 row or 1 row filler rod combination block (9) is at least arranged along dark beam (5) direction, bight in gusset (6), filler rod combination block (9) vertical towards the side bar (2) crossing with the dark beam in the bight that it is close to, the inner corner portion (11) of gusset (6) is solid area, at least 2 row and at least 2 row filling box (8) are arranged in all the other regions of gusset, in gusset (6) between adjacent filling box (8), be solid rib (12) between adjacent filler rod combination block (9) and between adjacent filling box (8) and filler rod combination block (9), the through solid rib (12) to side bar (2) and bight dark beam (5) of both direction forms a kind of orthogonal grid, width >=the 100mm of described solid rib (12), the top reinforcement (19) of colligation hollowcore slab, concreting (20), stripping.
At Fig. 4, a kind ofly shown in Fig. 7-Figure 10 be applicable in the implementation method of the hollowcore slab of framework core wall structure, at least 1 row's filler rod combination block (9) is arranged along side bar (2) region in middle plate (7), solid rib (12) is had between filler rod combination block (9), described filler rod combination block (9) vertical towards its immediate side bar (2), in middle plate (7), at least 1 row's filler rod combination block (9) is arranged in shear wall (3) region, solid rib (12) is had between filler rod combination block (9), described filler rod combination block (9) vertical towards its immediate shear wall (3), 1 row filler rod combination block (9) is at least arranged along dark beam (5) direction, bight in middle plate (7), described filler rod combination block (9) vertical towards the side bar (2) crossing with the dark beam in the bight that it is close to, it is solid rib (12) between the filler rod combination block (9) of arranging along the dark beam in bight (5), this solid rib (12) keeps through across the solid rib (12) that the dark beam in bight (5) is corresponding with gusset (6), ordered series of numbers filling box (8) or filler rod combination block (9) are arranged in middle plate (7) all the other regions, often in row, filling box (8) or filler rod combination block (9) are close to layout each other, it is solid rib (12) between adjacent column, and solid rib (12) corresponding between this solid rib (12) with the filler rod combination block (9) of arranging along side bar (2) and shear wall (3) region keeps through, width >=the 100mm of described solid rib (12), described being close to arranges filling box (8) or filler rod combination block (9) minimum clear distance≤15mm each other.
Claims (9)
1. one kind is applicable to the hollowcore slab of framework core wall structure, this hollowcore slab external boundary is frame column (1) and side bar (2), inner boundary is shear wall (3) or coupling beam (4), this hollowcore slab is divided into the plate of gusset (6) and middle plate (7) two type plane, the dark beam in bight (5) is arranged in hollowcore slab, both direction shear wall (3) intersection point is connected with frame column (1) by the dark beam in bight (5), the dark beam in bight (5) is the line of demarcation of inhomogeneity template, it is characterized in that in gusset (6), arranging filling box (8) and filler rod combination block (9) simultaneously, arrange at least 1 row or 1 row filler rod combination block (9) respectively along twice side bar (2) region in gusset (6), the upper filler rod combination block (9) of external angle and inner corner portion line (22) towards vertical with the direction of one of twice side bar (2) in gusset, all the other filler rod combination block (9) vertical towards its immediate side bar (2), 1 row or 1 row filler rod combination block (9) is at least arranged along dark beam (5) direction, bight in gusset (6), filler rod combination block (9) vertical towards the side bar (2) crossing with the dark beam in the bight that it is close to, the inner corner portion (11) of gusset (6) is solid area, at least 2 row and at least 2 row filling box (8) are arranged in all the other regions of gusset, in gusset (6) between adjacent filling box (8), be solid rib (12) between adjacent filler rod combination block (9) and between adjacent filling box (8) and filler rod combination block (9), the through solid rib (12) to side bar (2) and bight dark beam (5) of both direction forms a kind of orthogonal grid, width >=the 100mm of described solid rib (12).
2. a kind of hollowcore slab being applicable to framework core wall structure according to claim 1, it is characterized in that arranging at least 1 row's filler rod combination block (9) along side bar (2) region in plate (7), solid rib (12) is had between filler rod combination block (9), described filler rod combination block (9) vertical towards its immediate side bar (2), in middle plate (7), at least 1 row's filler rod combination block (9) is arranged in shear wall (3) region, solid rib (12) is had between filler rod combination block (9), described filler rod combination block (9) vertical towards its immediate shear wall (3), 1 row filler rod combination block (9) is at least arranged along dark beam (5) direction, bight in middle plate (7), described filler rod combination block (9) vertical towards the side bar (2) crossing with the dark beam in the bight that it is close to, it is solid rib (12) between the filler rod combination block (9) of arranging along the dark beam in bight (5), this solid rib (12) keeps through across the solid rib (12) that the dark beam in bight (5) is corresponding with gusset (6), ordered series of numbers filling box (8) or filler rod combination block (9) are arranged in middle plate (7) all the other regions, often in row, filling box (8) or filler rod combination block (9) are close to layout each other, it is solid rib (12) between adjacent column, and solid rib (12) corresponding between this solid rib (12) with the filler rod combination block (9) of arranging along side bar (2) and shear wall (3) region keeps through, width >=the 100mm of described solid rib (12), described being close to arranges filling box (8) or filler rod combination block (9) minimum clear distance≤15mm each other.
3. a kind of hollowcore slab being applicable to framework core wall structure according to claim 1 and 2, it is characterized in that in middle plate (7), arrange the dark beam (13) in middle part, middle part shear wall (3) or coupling beam (4) are connected with frame column (1) by the dark beam in middle part (13).
4. a kind of hollowcore slab being applicable to framework core wall structure according to claim 1, it is characterized in that in hollowcore slab, arrange filling box (8) or filler rod combination block (9), when remaining space is not enough to arrange standard-sized filling box (8) and filler rod combination block (9) cloth postpone, fill described remaining space with single filler rod (14) or special-shaped filler rod combination block (15).
5. a kind of hollowcore slab being applicable to framework core wall structure according to claim 1, it is characterized in that when the dark beam in bight (5) and side bar (2) out of plumb, along bight, dark beam (5) arranges single filler rod (14) or special-shaped filler rod combination block (15), single filler rod (14) or special-shaped filler rod combination block (15) vertical towards the side bar (2) crossing with the dark beam in the bight that it is close to (5).
6. a kind of hollowcore slab being applicable to framework core wall structure according to claim 1 and 4, it is characterized in that when the side bar of gusset (6) external angle (10) present position, region is cant beam (21), arranged single filler rod (14) adjacent with oblique side bar (21) or special-shaped filler rod combination block (15) any in the side bar (2) arranged with 2 road orthogonal directions together with the direction of side bar (2) vertical.
7. a kind of hollowcore slab being applicable to framework core wall structure according to claim 1, it is characterized in that filler rod combination block (9) is combined by more than 2 or 2 filler rods (14) arranged parallel to each other and connector (16), in each filler rod combination block (9), be provided with internal-rib (17) between filler rod (14), interior rib width is 45-100mm.
8. a kind of implementation method being applicable to the hollowcore slab of framework core wall structure according to claim 1, it is characterized in that this hollowcore slab external boundary is frame column (1) and side bar (2), inner boundary is shear wall (3) or coupling beam (4), this hollowcore slab is divided into the plate of gusset (6) and middle plate (7) two type plane, the dark beam in bight (5) is arranged in hollowcore slab, both direction shear wall (3) intersection point is connected with frame column (1) by the dark beam in bight (5), the dark beam in bight (5) is the line of demarcation of inhomogeneity template, lower floor's reinforcing bar (18) of colligation Method Pre-stress Concrete Hollow Slab, arrange filling box (8) and filler rod combination block (9) in gusset (6) simultaneously, arrange at least 1 row or 1 row filler rod combination block (9) respectively along twice side bar (2) region in gusset (6), external angle and inner corner portion line (22) filler rod combination block (9) towards vertical with the direction of one of twice side bar (2) in gusset, all the other filler rod combination block (9) vertical towards its immediate side bar (2), 1 row or 1 row filler rod combination block (9) is at least arranged along dark beam (5) direction, bight in gusset (6), filler rod combination block (9) vertical towards the side bar (2) crossing with the dark beam in the bight that it is close to, the inner corner portion (11) of gusset (6) is solid area, at least 2 row and at least 2 row filling box (8) are arranged in all the other regions of gusset, in gusset (6) between adjacent filling box (8), be solid rib (12) between adjacent filler rod combination block (9) and between adjacent filling box (8) and filler rod combination block (9), the through solid rib (12) to side bar (2) and bight dark beam (5) of both direction forms a kind of orthogonal grid, width >=the 100mm of described solid rib (12), the top reinforcement (19) of colligation hollowcore slab, concreting (20), stripping.
9. a kind of implementation method being applicable to the hollowcore slab of framework core wall structure according to claim 1 and 2, it is characterized in that arranging at least 1 row's filler rod combination block (9) along side bar (2) region in plate (7), solid rib (12) is had between filler rod combination block (9), described filler rod combination block (9) vertical towards its immediate side bar (2), in middle plate (7), at least 1 row's filler rod combination block (9) is arranged in shear wall (3) region, solid rib (12) is had between filler rod combination block (9), described filler rod combination block (9) vertical towards its immediate shear wall (3), 1 row filler rod combination block (9) is at least arranged along dark beam (5) direction, bight in middle plate (7), described filler rod combination block (9) vertical towards the side bar (2) crossing with the dark beam in the bight that it is close to, it is solid rib (12) between the filler rod combination block (9) of arranging along the dark beam in bight (5), this solid rib (12) keeps through across the solid rib (12) that the dark beam in bight (5) is corresponding with gusset (6), ordered series of numbers filling box (8) or filler rod combination block (9) are arranged in middle plate (7) all the other regions, often in row, filling box (8) or filler rod combination block (9) are close to layout each other, it is solid rib (12) between adjacent column, and solid rib (12) corresponding between this solid rib (12) with the filler rod combination block (9) of arranging along side bar (2) and shear wall (3) region keeps through, width >=the 100mm of described solid rib (12), described being close to arranges filling box (8) or filler rod combination block (9) minimum clear distance≤15mm each other.
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| CN201410729494.7A CN104453044B (en) | 2014-12-05 | 2014-12-05 | Hollow slab suitable for frame core tube structure |
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| CN201410729494.7A CN104453044B (en) | 2014-12-05 | 2014-12-05 | Hollow slab suitable for frame core tube structure |
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| CN104453044B CN104453044B (en) | 2017-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115653177A (en) * | 2022-11-12 | 2023-01-31 | 广东南海国际建筑设计有限公司 | Construction method of cast-in-place reinforced concrete hollow floor |
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| CN104453044B (en) | 2017-01-18 |
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