CN217326606U - Disassembly-free anti-seepage plugging structure of cantilever type scaffold steel beam through-wall opening - Google Patents
Disassembly-free anti-seepage plugging structure of cantilever type scaffold steel beam through-wall opening Download PDFInfo
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- CN217326606U CN217326606U CN202220450696.8U CN202220450696U CN217326606U CN 217326606 U CN217326606 U CN 217326606U CN 202220450696 U CN202220450696 U CN 202220450696U CN 217326606 U CN217326606 U CN 217326606U
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Abstract
The invention discloses a disassembly-free anti-seepage plugging structure of a steel beam through-wall opening of an overhanging scaffold, which solves the problem of how to overcome the defects of the existing plugging technology of the through-wall opening; the concrete shear outer wall comprises a cuboid-shaped through-wall hole (10) arranged in a concrete shear outer wall (1), a prefabricated outer side plugging concrete plate (12) arranged in an opening-shaped step (11), a reinforcing steel mesh sheet (13) pre-embedded in the outer side plugging concrete plate (12), and a pair of tie iron wires (14) fixedly connected to the reinforcing steel mesh sheet; an inner side blocking template (15) of the hole is arranged on the inner side end opening of the cuboid through-wall hole (10), and a blocking concrete pouring bell mouth (16) is arranged at the upper end of the inner side blocking template of the hole; the other ends of the pair of tie iron wires (14) are tied and fixed with the plugging template at the inner side of the hole after penetrating through the wall-penetrating hole (10); the method is suitable for plugging the cantilever steel beam opening of the outer gable.
Description
Technical Field
The utility model relates to a cast-in-place high-rise building shear force wall, in particular to formula of encorbelmenting scaffold girder steel is worn wall entrance to a cave exempts from to tear open prevention of seepage block structure.
Background
In the pouring construction of the high-rise civil building, an overhanging scaffold for construction needs to be installed on the outer side of a floor, and a hole which penetrates through a shear wall, namely a through-wall hole, needs to be reserved when the outer wall of the shear wall is poured for installing the overhanging scaffold; therefore, a reserved template of a through-wall opening needs to be arranged before the outer wall of the shear wall is poured, in the prior art, an integral cuboid box body is manufactured in advance, the box body is fixed in the precast shear wall, then, the shear wall is poured, and after the concrete of the poured shear wall is solidified, the cuboid box body is removed to form the through-wall opening of the shear wall; the existing forming template system of the through-wall opening has the problems of time and labor consumption when being detached, and easily causes the damage of the forming surface of the opening.
When the overhanging scaffold in the through-wall opening is removed, the reserved through-wall opening needs to be subsequently plugged, and the through-wall opening is difficult to plug because constructors cannot conveniently plug and support a formwork at the outer side of a high-rise outer wall; the existing conventional method is that a hanging template is arranged at a hole, an iron wire is adopted to pull and connect an inner side template and an outer side template together to form a blocking and pouring template system of the hole, and the hole is blocked; the defect that an outer side template of the outer wall is not easy to reinforce exists, in addition, after the plugging of the through-wall hole is finished, after the outer side template is removed, iron wires remained in the wall body can be exposed on the outer wall surface, a hole which is easy to seep water is formed in the outer wall, and the seepage of the through-wall hole of the outer wall is caused, generally, the seepage mostly occurs after the completion and the delivery of a building body, so the maintenance difficulty of the wall body is higher, and the maintenance cost is higher; how to overcome the defects of the existing plugging technology of the through-wall hole becomes a problem to be solved on site.
Disclosure of Invention
The utility model provides an exempt from to tear open prevention of seepage block structure of wall entrance to a cave is worn to overhanging type scaffold frame girder steel has solved the technical problem of how to overcome the current block technique's of wearing the wall entrance to a cave defect.
The utility model discloses a solve above technical problem through following technical scheme:
the utility model discloses a general concept is: adding a square frame on the outer port outline of the integral cuboid template for pouring reserved in the traditional through-wall opening, and forming a flared square step on the outer port of the through-wall opening after the pouring of the shear wall is finished; and, the whole cuboid form is designed into: the upper side plate presses the two side plates, the two side plates press the bottom side plate, the bottom side plate is spliced by three plates, and the middle bottom side plate and the two side bottom side plates are in wedge fit; prefabricating a precast concrete slab which can be placed into a flaring-shaped step, embedding two tie wires to be firmly tied with the reinforcing mesh sheet on an inner side face of the precast concrete slab, wherein the two tie wires penetrate out of the inner side face of the precast concrete slab, placing the precast concrete slab into the flaring-shaped step of the through-wall opening, enabling the two tie wires to penetrate through the through-wall opening and then be tied and fixed with a shearing wall inner side plugging opening template, reserving a horn mouth at the upper end of the shearing wall inner side plugging opening template for pouring plugging concrete, and pouring the outer wall plugging concrete by adopting first-grade micro-expansion concrete with high strength grade, thereby completing plugging of the through-wall opening; according to the technical scheme, the prefabricated concrete slab replaces a blocking hole outer side template, the formwork supporting work of a hole in a building body is creatively realized, and the defects that the traditional hole blocking outer side template is difficult to fix and a pull-connection iron wire is exposed on an outer wall surface are overcome.
A shear wall opening forming template system for a steel beam of an overhanging scaffold to penetrate through comprises a concrete shear outer wall, wherein a cuboid-shaped template box body for forming a through-wall opening is arranged in the concrete shear outer wall, a bottom side template of the cuboid-shaped template box body consists of a bottom side left template, a bottom side middle template and a bottom side right template, and the bottom side middle template is in a wedge shape and is arranged between the bottom side left template and the bottom side right template; the bottom edge left template is provided with a left side template on the left side top surface, the bottom edge right template is provided with a right side template on the right side top surface, and a top template is arranged between the top surface of the left side template and the top surface of the right side template.
A square outer frame is sleeved on the box body template of the outer side port of the rectangular template box body, the width of the square outer frame is 40 mm, and the thickness of the square outer frame is 15 mm.
After the cuboid template box body is removed, a cuboid through-wall opening is formed in the concrete shear outer wall, and a concrete flaring-shaped square-shaped step is formed in the outer end opening of the through-wall opening.
A disassembly-free anti-seepage plugging structure of a steel beam wall-penetrating opening of a cantilever scaffold comprises a concrete shear outer wall, wherein a cuboid-shaped wall-penetrating opening is formed in the concrete shear outer wall, an opening-expanding type square-shaped step is arranged on an outer port of the cuboid-shaped wall-penetrating opening, a prefabricated outer side plugging concrete plate is arranged in the opening-expanding type square-shaped step, a reinforcing mesh is pre-embedded in the outer side plugging concrete plate, a pair of tie wires are fixedly connected to the reinforcing mesh, and the other ends of the tie wires penetrate through the inner side surface of the outer side plugging concrete plate and are arranged on the outer side of the inner side surface of the outer side plugging concrete plate; the inner side port of the cuboid through-wall opening is provided with an opening inner side plugging template, and the upper end of the opening inner side plugging template is provided with a plugging concrete pouring bell mouth; the other ends of the pair of tie wires are tied and fixed with the plugging template at the inner side of the hole after penetrating through the wall-penetrating hole.
The inner side surface of the blocking template at the inner side of the opening is provided with a secondary keel square timber, the inner side surface of the secondary keel square timber is provided with a main keel angle steel, and the other ends of the pair of pulling iron wires sequentially penetrate through the wall-penetrating opening, the blocking template at the inner side of the opening and the secondary keel square timber and are fixedly connected with the main keel angle steel.
Compared with the traditional outer wall hole plugging process, the utility model has safer and firmer operation, solves the problem of difficult formwork plugging outside the high-rise building, eliminates the potential safety hazard of high-altitude hole plugging operation, and improves the problem of infirm reinforcing of the formwork hanging operation; and meanwhile, the water seepage channel of the outer wall is blocked, the risk of leakage of the outer wall is effectively reduced, and the method is particularly suitable for plugging the cantilever steel beam hole of the outer gable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of an outboard sealing concrete panel 12 of the present invention;
fig. 3 is a schematic structural view of a rectangular parallelepiped-shaped template case 2 of the present invention;
FIG. 4 is a diagram showing the fitting relationship between the rectangular form case 2 and the concrete shear outer wall 1 according to the present invention;
fig. 5 is a schematic structural view of the through-wall opening 10 of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
a shear wall opening forming template system for a cantilever type scaffold steel beam to penetrate through comprises a concrete shear outer wall 1, wherein a cuboid-shaped template box body 2 for forming a through-wall opening is arranged in the concrete shear outer wall 1, a bottom side template of the cuboid-shaped template box body 2 consists of a bottom side left template 6, a bottom side middle template 7 and a bottom side right template 8, and the bottom side middle template 7 is in a wedge shape and is arranged between the bottom side left template 6 and the bottom side right template 8; a left side template 4 is arranged on the top surface of the left side of the bottom edge left template 6, a right side template 5 is arranged on the top surface of the right side of the bottom edge right template 8, and a top template 3 is arranged between the top surface of the left side template 4 and the top surface of the right side template 5.
A square outer frame 9 is sleeved on the box body template of the outer side port of the rectangular template box body 2, the width of the square outer frame 9 is 40 mm, and the thickness of the square outer frame 9 is 15 mm.
After the cuboid-shaped template box body 2 is removed, a cuboid-shaped through-wall opening 10 is formed in the concrete shear outer wall 1, and a concrete flaring-shaped step 11 is formed at the outer end opening of the through-wall opening 10.
A disassembly-free anti-seepage plugging structure of a steel beam wall-penetrating hole of an overhanging scaffold comprises a concrete shear outer wall 1, wherein a cuboid-shaped wall-penetrating hole 10 is formed in the concrete shear outer wall 1, an opening-expanding type square-shaped step 11 is arranged on an outer port of the cuboid-shaped wall-penetrating hole 10, a prefabricated outer side plugging concrete plate 12 is arranged in the opening-expanding type square-shaped step 11, a reinforcing mesh 13 is pre-embedded in the outer side plugging concrete plate 12, a pair of tie iron wires 14 is fixedly connected to the reinforcing mesh 13, and the other ends of the tie iron wires 14 penetrate through the inner side surface of the outer side plugging concrete plate 12 and are arranged on the outer side of the inner side surface of the outer side plugging concrete plate 12; an inner side blocking template 15 of the hole is arranged on an inner side port of the cuboid through-wall hole 10, and a blocking concrete pouring bell mouth 16 is arranged at the upper end of the inner side blocking template 15 of the hole; the other ends of the pair of tie iron wires 14 are fixed with the plugging template 15 at the inner side of the hole after penetrating through the wall-through hole 10.
The inner side surface of the hole inner side blocking template 15 is provided with a secondary keel square timber 17, the inner side surface of the secondary keel square timber 17 is provided with a main keel angle steel 18, and the other ends of the pair of pulling iron wires 14 sequentially penetrate through the wall penetrating hole 10, the hole inner side blocking template 15 and the secondary keel square timber 17 and then are fixedly connected with the main keel angle steel 18.
A disassembly-free anti-seepage plugging method for a cantilever type scaffold steel beam through-wall opening comprises the following steps:
firstly, manufacturing a wooden cuboid-shaped template box body 2 according to the thickness of a concrete shear outer wall 1, wherein a bottom template of the cuboid-shaped template box body 2 consists of a bottom edge left template 6, a bottom edge middle template 7 and a bottom edge right template 8, and the bottom edge middle template 7 is wedge-shaped and is arranged between the bottom edge left template 6 and the bottom edge right template 8; the method comprises the following steps that a left side template 4 is arranged on the top surface of the left side of a bottom side left template 6, a right side template 5 is arranged on the top surface of the right side of a bottom side right template 8, and a top template 3 is arranged between the top surface of the left side template 4 and the top surface of the right side template 5, namely, in order to ensure that a cuboid-shaped template box body 2 is conveniently disassembled after pouring is finished, the cuboid-shaped template box body 2 is spliced, the top template is used for pressing the side template, the side template is used for pressing the bottom template, and the bottom template is formed by splicing three battens;
secondly, sleeving a square outer frame 9 on the box body template at the outer side port of the cuboid template box body 2 manufactured in the first step, wherein the width of the square outer frame 9 is 40 mm, and the thickness of the square outer frame 9 is 15 mm;
thirdly, fixing the cuboid-shaped template box body 2 with the square outer frame 9 at the lofting position of the overhanging scaffold steel beam in the precast concrete shear outer wall 1;
fourthly, pouring concrete of the concrete shear outer wall 1, after the poured concrete is solidified, firstly removing the bottom edge middle template 7, and then sequentially removing the bottom edge left template 6, the bottom edge right template 8, the left side template 4, the right side template 5, the top template 3 and the square outer frame 9 to form a wall-through hole 10 and a flared square step 11;
fifthly, prefabricating an outer side plugging concrete slab 12 according to the size of the flaring-shaped step 11, fixedly connecting one ends of a pair of pull iron wires 14 to a reinforcing mesh piece 13 pre-embedded in the outer side plugging concrete slab 12, enabling the other ends of the pair of pull iron wires 14 to penetrate through the inner side surface of the outer side plugging concrete slab 12, and then arranging the other ends of the pair of pull iron wires on the outer side of the inner side surface of the outer side plugging concrete slab 12;
sixthly, placing the outer side plugging concrete plate 12 manufactured in the fifth step to the flaring-type square-shaped step 11 from the inner side of the building body along the diagonal line of the through-wall opening 10, then embedding the outer side plugging concrete plate 12 into the square-shaped step 11, and enabling the other ends of the pair of pulling iron wires 14 to penetrate through the through-wall opening 10 inwards;
seventhly, arranging a hole inner side plugging template 15 on an inner side port of the cuboid through-wall hole 10, and arranging a plugging concrete pouring bell mouth 16 at the upper end of the hole inner side plugging template 15;
eighthly, arranging secondary keel square timbers 17 on the inner side surfaces of the hole inner side plugging templates 15, arranging main keel angle steel 18 on the inner side surfaces of the secondary keel square timbers 17, and fixedly connecting the other ends of a pair of tie wires 14 with the main keel angle steel 18 after sequentially penetrating through the wall-penetrating hole 10, the hole inner side plugging templates 15 and the secondary keel square timbers 17, so that the outer side plugging concrete slabs 12 and the hole inner side plugging templates 15 are fixedly connected together through a tie;
ninthly, pouring the plugged hole by plugging the concrete pouring bell mouth 16 and adopting micro-expansive concrete which is higher than the strength grade of the concrete shear outer wall 1 by one grade, knocking and vibrating in the pouring process to ensure that the concrete is poured to the bell mouth position and the hole is filled compactly;
and tenth, after concrete in the plugged hole is finally set, removing the plugging template 15 on the inner side of the hole, chiseling redundant concrete blocks at the position of the plugging concrete pouring bell mouth 16, repairing and polishing, and watering and maintaining for 14 days.
The thickness of the outer side plugging concrete plate 12 is 40 mm, and the concrete strength of the outer side plugging concrete plate 12 is the same as that of the concrete shear outer wall 1; the reinforcing mesh 13 in the outer side plugging concrete slab 12 is a reinforcing steel bar with the diameter of 8 mm; before concrete of the concrete shear outer wall 1 is poured, short battens are arranged in the rectangular template box body 2 to support the box body, so that the strength of the box body template is enhanced; the outer side plugging concrete plate 12 is plugged out of the outer wall through an oblique diagonal line of the through-wall opening 10, then the rotation is slowly carried out, so that the outer side plugging concrete plate 12 is tightly attached to an outer wall rabbet, namely, a flaring-type square-shaped step 11, and a pair of pulling iron wires 14 are pulled by one hand during the rotation, so that the outer side plugging concrete plate 12 is prevented from falling.
Claims (2)
1. A disassembly-free anti-seepage plugging structure of a steel beam wall-penetrating opening of an overhanging scaffold comprises a concrete shear outer wall (1), wherein a cuboid-shaped wall-penetrating opening (10) is arranged in the concrete shear outer wall (1), and an opening-shaped step (11) is arranged at the outer end opening of the cuboid-shaped wall-penetrating opening (10), and is characterized in that a prefabricated outer side plugging concrete plate (12) is arranged in the opening-shaped step (11), a reinforcing steel net piece (13) is pre-embedded in the outer side plugging concrete plate (12), a pair of pulling iron wires (14) is fixedly connected to the reinforcing steel net piece (13), and the other end of the pair of pulling iron wires (14) penetrates out of the inner side surface of the outer side plugging concrete plate (12) and then is arranged at the outer side of the inner side surface of the outer side plugging concrete plate (12); an inner side blocking template (15) of the hole is arranged on the inner side end opening of the cuboid through-wall hole (10), and a blocking concrete pouring bell mouth (16) is arranged at the upper end of the inner side blocking template (15) of the hole; the other ends of the pair of tie wires (14) are tied and fixed with the blocking template (15) at the inner side of the hole after penetrating through the wall-penetrating hole (10).
2. The disassembly-free anti-seepage plugging structure of the cantilever scaffold steel beam through-wall hole is characterized in that a secondary keel square timber (17) is arranged on the inner side surface of the hole inner side plugging template (15), a main keel angle steel (18) is arranged on the inner side surface of the secondary keel square timber (17), and the other ends of a pair of pulling iron wires (14) are fixedly connected with the main keel angle steel (18) after sequentially passing through the wall through hole (10), the hole inner side plugging template (15) and the secondary keel square timber (17).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220450696.8U CN217326606U (en) | 2022-03-03 | 2022-03-03 | Disassembly-free anti-seepage plugging structure of cantilever type scaffold steel beam through-wall opening |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220450696.8U CN217326606U (en) | 2022-03-03 | 2022-03-03 | Disassembly-free anti-seepage plugging structure of cantilever type scaffold steel beam through-wall opening |
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| CN217326606U true CN217326606U (en) | 2022-08-30 |
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| CN202220450696.8U Active CN217326606U (en) | 2022-03-03 | 2022-03-03 | Disassembly-free anti-seepage plugging structure of cantilever type scaffold steel beam through-wall opening |
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