CN114704112A - Disassembly-free anti-seepage plugging method for cantilever type scaffold steel beam through-wall opening - Google Patents
Disassembly-free anti-seepage plugging method for cantilever type scaffold steel beam through-wall opening Download PDFInfo
- Publication number
- CN114704112A CN114704112A CN202210204439.0A CN202210204439A CN114704112A CN 114704112 A CN114704112 A CN 114704112A CN 202210204439 A CN202210204439 A CN 202210204439A CN 114704112 A CN114704112 A CN 114704112A
- Authority
- CN
- China
- Prior art keywords
- template
- concrete
- plugging
- wall
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000004567 concrete Substances 0.000 claims abstract description 114
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052742 iron Inorganic materials 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000009415 formwork Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000011178 precast concrete Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a disassembly-free anti-seepage plugging method for a cantilever scaffold steel beam through-wall opening, which solves the problem of how to overcome the defects of the prior plugging technology of the through-wall opening; the concrete shear outer wall comprises a cuboid-shaped wall-through 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 bar net piece (13) embedded in the outer side plugging concrete plate (12), and a pair of pulling and connecting iron wires (14) fixedly connected on the reinforcing steel bar net piece; 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 invention relates to a cast-in-place high-rise building shear wall, in particular to a disassembly-free anti-seepage plugging structure of a reserved hole of a high-rise building shear wall and a plugging method thereof.
Background
During the pouring construction of a high-rise civil building, an overhanging scaffold for construction needs to be installed on the outer side of a floor, and when an outer wall of a shear wall is poured, a hole penetrating through the shear wall, namely a through-wall hole needs to be reserved 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-shaped 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-shaped 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 waste when being dismantled, 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 because constructors are inconvenient to plug and support a formwork at the outer side of a high-rise outer wall, the through-wall opening is difficult to plug; the conventional method is that a hanging template is arranged at an opening, 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 opening, and the opening is blocked; the method has the defects that the outer side template of the outer wall is not easy to reinforce, and after the plugging of the through-wall opening is finished, iron wires remained in the wall body can be exposed on the outer wall surface after the outer side template is detached, so that a hole easy to seep water is formed in the outer wall, and the leakage of the through-wall hole of the outer wall is caused, generally occurs after the completion and the delivery of a building body, so that the difficulty in maintaining the wall body is higher, and the maintenance cost is higher; the problem to be solved on site is how to overcome the defects of the existing plugging technology of the through-wall opening.
Disclosure of Invention
The invention provides a disassembly-free anti-seepage plugging method for a cantilever scaffold steel beam through-wall opening, which solves the technical problem of overcoming the defects of the existing plugging technology of the through-wall opening.
The invention solves the technical problems through the following technical scheme:
the general concept of the invention 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 shear wall is poured; and, design the whole cuboid template into: the upper side plate presses the two side plates, the two side plates press the bottom plate, the bottom plate is spliced by three plates, and the middle bottom plate and the two side bottom plates are in wedge-shaped 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 left side template is arranged on the left side top surface of the bottom side left template, the right side template is arranged on the right side top surface of the bottom side right template, and the 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 cuboid 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-shaped template box body is removed, a cuboid-shaped through-wall opening is formed in the outer wall of the concrete shearing force, and concrete flaring-shaped step shaped like a Chinese character 'kou' is formed in the outer end opening of the through-wall opening.
A disassembly-free anti-seepage plugging structure for a steel beam wall-through hole of an overhanging scaffold comprises a concrete shear outer wall, wherein a cuboid-shaped wall-through hole is formed in the concrete shear outer wall, an opening-shaped step is formed in an outer port of the cuboid-shaped wall-through hole, a prefabricated outer side plugging concrete plate is arranged in the opening-shaped step, a reinforcing steel net piece is pre-embedded in the outer side plugging concrete plate, a pair of tie wires is fixedly connected to the reinforcing steel net piece, and the other end of each tie wire penetrates out of the inner side surface of the outer side plugging concrete plate and then is arranged on the outer side of the inner side surface of the outer side plugging concrete plate; the inner side end opening 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 pull iron wires penetrate through the through-wall opening and are fixed with the plugging template on the inner side of the opening in a pulling mode.
The inner side surface of the hole inner side plugging template 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 end of the pair of tie iron wires sequentially penetrates through the wall-penetrating hole, the hole inner side plugging template and the secondary keel square timber and then is fixedly connected with the main keel angle steel.
A disassembly-free anti-seepage plugging method for a cantilever type scaffold steel beam through-wall opening comprises the following steps:
the method comprises the following steps that firstly, a wooden cuboid-shaped template box body is manufactured according to the thickness of a concrete shear outer wall, a bottom template of the cuboid-shaped template box body consists of a bottom edge left template, a bottom edge middle template and a bottom edge right template, and the bottom edge middle template is wedge-shaped and arranged between the bottom edge left template and the bottom edge right template; the method comprises the following steps that a left side template is arranged on the top surface of the left side of a bottom side left template, a right side template is arranged on the top surface of the right side of the bottom side right template, and a top template is arranged between the top surface of the left side template and the top surface of the right side template, namely, in order to ensure that a rectangular template box body is convenient to disassemble after pouring is completed, the rectangular template box body is spliced, the top template is used for pressing a side template, the side template is used for pressing a bottom template, and the bottom template is formed by splicing three strips;
Secondly, sleeving a square outer frame on the box body template at the outer side port of the cuboid template box body manufactured in the first step, wherein the width of the square outer frame is 40 mm, and the thickness of the square outer frame is 15 mm;
thirdly, fixing a cuboid template box body with a square outer frame at the setting-out position of a cantilever scaffold steel beam in the precast concrete shear outer wall;
fourthly, pouring concrete of the concrete shear outer wall, after the poured concrete is solidified, firstly removing the bottom edge middle template, and then sequentially removing the bottom edge left template, the bottom edge right template, the left side template, the right side template, the top template and the square outer frame to form a through-wall opening and a square step of the flaring type;
fifthly, prefabricating an outer side plugging concrete plate according to the size of the flaring-shaped step, fixedly connecting one ends of a pair of tie wires to reinforcing mesh sheets pre-embedded in the outer side plugging concrete plate, enabling the other ends of the pair of tie wires to penetrate through the inner side surface of the outer side plugging concrete plate, and then arranging the tie wires on the outer side of the inner side surface of the outer side plugging concrete plate;
sixthly, placing the outer side plugging concrete slab manufactured in the fifth step at the flaring-type square-shaped step from the inner side of the building body along the diagonal line of the through-wall opening, then embedding the outer side plugging concrete slab on the square-shaped step, and enabling the other ends of the pair of pulling and connecting iron wires to penetrate through the through-wall opening inwards;
Seventhly, arranging a hole inner side plugging template on an inner side port of the cuboid through-wall hole, and arranging a plugging concrete pouring bell mouth at the upper end of the hole inner side plugging template;
eighthly, arranging secondary keel square timber on the inner side surface of the blocking template on the inner side of the hole, arranging main keel angle steel on the inner side surface of the secondary keel square timber, and fixedly connecting the other ends of a pair of pulling iron wires with the main keel angle steel after sequentially penetrating through the wall-penetrating hole, the blocking template on the inner side of the hole and the secondary keel square timber, and fixedly connecting the outer blocking concrete plate with the blocking template on the inner side of the hole by using a pulling knot;
ninth, pouring the plugged hole by plugging a concrete pouring bell mouth and adopting micro-expansion concrete with the strength level higher than that of the concrete shear outer wall by one level, and performing knocking vibration in the pouring process to ensure that the concrete is poured to the bell mouth position and the hole is tightly filled;
and tenth, after concrete in the plugged hole is finally set, removing the plugging template on the inner side of the hole, chiseling redundant concrete blocks at the position of the plugging concrete pouring bell mouth, repairing and polishing, and watering and maintaining for 14 days.
The thickness of the outer side plugging concrete slab is 40 mm, and the concrete strength of the outer side plugging concrete slab is the same as that of the concrete shear outer wall; the reinforcing mesh in the outer side plugging concrete slab is a reinforcing steel bar with the diameter of 8 mm; before concrete of the concrete shear outer wall is poured, short battens are arranged in the rectangular formwork box body to reinforce the strength of the formwork of the box body.
Compared with the traditional outer wall opening plugging process, the method is safer and firmer to operate, solves the problem that formwork erecting and plugging are difficult to perform on the outer side of a high-rise building, eliminates the potential safety hazard of high-altitude opening plugging operation, and improves the problem that a formwork for suspended formwork operation is not firmly reinforced. Simultaneously, the outer wall water seepage channel is blocked, the risk of outer wall leakage is effectively reduced, and the device is particularly suitable for plugging the overhanging 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 plugging concrete panel 12 of the present invention;
fig. 3 is a schematic view of the structure of a rectangular parallelepiped 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 invention is described in detail below 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 rectangular 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 rectangular 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 cuboid 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 for a steel beam wall-through hole of an overhanging scaffold comprises a concrete shear outer wall 1, wherein a cuboid-shaped wall-through hole 10 is formed in the concrete shear outer wall 1, an opening-shaped step 11 is formed in an outer port of the cuboid-shaped wall-through hole 10, a prefabricated outer side plugging concrete plate 12 is arranged in the opening-shaped step 11, a reinforcing mesh piece 13 is pre-embedded in the outer side plugging concrete plate 12, a pair of tie wires 14 is fixedly connected to the reinforcing mesh piece 13, and the other end of each tie wire 14 penetrates through the inner side surface of the outer side plugging concrete plate 12 and then is 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 setting-out position of the cantilever 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 iron 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 as to fixedly connect the outer side plugging concrete plates 12 with the hole inner side plugging templates 15;
ninth, pouring the plugged hole by plugging the concrete-poured bell mouth 16 and adopting micro-expansion concrete with the strength level higher than that of the concrete shear outer wall 1 by one level, and performing knocking vibration in the pouring process to ensure that the concrete is poured to the bell mouth position and the hole is tightly poured;
and step ten, 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 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); 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 top template is used for pressing the side template and the side template is used for pressing the bottom template, and the bottom template is formed by splicing three strips);
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 a cuboid template box body (2) with a square outer frame (9) at the setting-out position of a cantilever 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 a bottom edge middle template (7), and then sequentially removing a bottom edge left template (6), a bottom edge right template (8), a left side template (4), a right side template (5), a top template (3) and a square outer frame (9) to form a wall-through opening (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 (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 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 a flaring-type square-shaped step (11) from the inner side of a 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 a pair of pulling and connecting iron wires (14) to inwards penetrate through the through-wall opening (10);
seventhly, arranging a hole inner side plugging template (15) on an inner side end opening of the cuboid-shaped 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 pull-connected iron 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 as to fixedly connect the outer side plugging concrete plates (12) with the hole inner side plugging templates (15) together through drawknots;
ninth, pouring the plugged hole by plugging a concrete pouring bell mouth (16) and adopting micro-expansion concrete with the strength grade higher than that of the concrete shear outer wall (1) by one grade, and knocking and vibrating in the pouring process to ensure that the concrete is poured to the bell mouth position and is tightly poured in the hole;
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.
2. The disassembly-free seepage-proofing plugging method for the cantilever type scaffold steel beam through-wall opening according to claim 1 is characterized in that: the thickness of the outer side plugging concrete slab (12) is 40 mm, and the concrete strength of the outer side plugging concrete slab (12) is the same as that of the concrete shear outer wall (1); the steel bar net piece (13) in the outer side plugging concrete slab (12) is a 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 formwork box body (2) in a supporting mode in the box body to strengthen the strength of the formwork of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210204439.0A CN114704112A (en) | 2022-03-03 | 2022-03-03 | Disassembly-free anti-seepage plugging method for cantilever type scaffold steel beam through-wall opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210204439.0A CN114704112A (en) | 2022-03-03 | 2022-03-03 | Disassembly-free anti-seepage plugging method for cantilever type scaffold steel beam through-wall opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114704112A true CN114704112A (en) | 2022-07-05 |
Family
ID=82167821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210204439.0A Pending CN114704112A (en) | 2022-03-03 | 2022-03-03 | Disassembly-free anti-seepage plugging method for cantilever type scaffold steel beam through-wall opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114704112A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116905852A (en) * | 2023-06-30 | 2023-10-20 | 上海宝冶集团有限公司 | Heat-insulation integrated exterior wall channel steel hole plugging method |
| CN117432191A (en) * | 2023-11-14 | 2024-01-23 | 中建二局第三建筑工程有限公司 | Construction method of overhanging formwork frame of refuge layer and overhanging formwork frame |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649326A (en) * | 2015-02-10 | 2016-06-08 | 中国建筑第四工程局有限公司 | Template structure for plugging reserved hole in exterior wall and plugging method |
| CN107630565A (en) * | 2017-09-13 | 2018-01-26 | 中建海峡建设发展有限公司 | The method and its equipment of a kind of outer wall opening of closing |
| CN108240110A (en) * | 2018-01-11 | 2018-07-03 | 兖矿东华建设有限公司 | Outrigger shear wall reserved opening forming composition template, shear wall, reserved opening sprue and its method |
| CN208056637U (en) * | 2018-04-12 | 2018-11-06 | 刘洪铭 | A kind of concrete shear force wall sealing hole device |
| CN209891691U (en) * | 2019-02-01 | 2020-01-03 | 山西三建集团有限公司 | Anti-seepage I-shaped steel reserved hole plugging device for outer wall cantilever frame |
| CN112095813A (en) * | 2020-08-10 | 2020-12-18 | 中国二十冶集团有限公司 | Method for plugging through-wall hole of outer wall |
| CN112412013A (en) * | 2020-11-27 | 2021-02-26 | 上海宝冶集团有限公司 | Construction method for plugging reserved hole of structural outer wall |
| CN112854488A (en) * | 2021-01-15 | 2021-05-28 | 北京崇建工程有限公司 | Method for plugging assembled outer wall hole |
| CN214461277U (en) * | 2020-12-09 | 2021-10-22 | 广东二十冶建设有限公司 | Quick plugging mechanism for overhanging I-steel reserved hole |
| CN214738873U (en) * | 2021-02-09 | 2021-11-16 | 北京天润建设有限公司 | Wall reserved hole plugging structure |
| CN215859245U (en) * | 2021-07-08 | 2022-02-18 | 中天西北建设投资集团有限公司 | Cantilever steel beam through-wall opening plugging device |
-
2022
- 2022-03-03 CN CN202210204439.0A patent/CN114704112A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649326A (en) * | 2015-02-10 | 2016-06-08 | 中国建筑第四工程局有限公司 | Template structure for plugging reserved hole in exterior wall and plugging method |
| CN107630565A (en) * | 2017-09-13 | 2018-01-26 | 中建海峡建设发展有限公司 | The method and its equipment of a kind of outer wall opening of closing |
| CN108240110A (en) * | 2018-01-11 | 2018-07-03 | 兖矿东华建设有限公司 | Outrigger shear wall reserved opening forming composition template, shear wall, reserved opening sprue and its method |
| CN208056637U (en) * | 2018-04-12 | 2018-11-06 | 刘洪铭 | A kind of concrete shear force wall sealing hole device |
| CN209891691U (en) * | 2019-02-01 | 2020-01-03 | 山西三建集团有限公司 | Anti-seepage I-shaped steel reserved hole plugging device for outer wall cantilever frame |
| CN112095813A (en) * | 2020-08-10 | 2020-12-18 | 中国二十冶集团有限公司 | Method for plugging through-wall hole of outer wall |
| CN112412013A (en) * | 2020-11-27 | 2021-02-26 | 上海宝冶集团有限公司 | Construction method for plugging reserved hole of structural outer wall |
| CN214461277U (en) * | 2020-12-09 | 2021-10-22 | 广东二十冶建设有限公司 | Quick plugging mechanism for overhanging I-steel reserved hole |
| CN112854488A (en) * | 2021-01-15 | 2021-05-28 | 北京崇建工程有限公司 | Method for plugging assembled outer wall hole |
| CN214738873U (en) * | 2021-02-09 | 2021-11-16 | 北京天润建设有限公司 | Wall reserved hole plugging structure |
| CN215859245U (en) * | 2021-07-08 | 2022-02-18 | 中天西北建设投资集团有限公司 | Cantilever steel beam through-wall opening plugging device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116905852A (en) * | 2023-06-30 | 2023-10-20 | 上海宝冶集团有限公司 | Heat-insulation integrated exterior wall channel steel hole plugging method |
| CN117432191A (en) * | 2023-11-14 | 2024-01-23 | 中建二局第三建筑工程有限公司 | Construction method of overhanging formwork frame of refuge layer and overhanging formwork frame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114704112A (en) | Disassembly-free anti-seepage plugging method for cantilever type scaffold steel beam through-wall opening | |
| CN110777983A (en) | Synchronous construction structure and method for concrete filled wall and cast-in-place structure | |
| CN104631512A (en) | Post-cast strip beam and slab construction method adopting formwork hanging method | |
| CN201722927U (en) | Drawable slat type stair template | |
| CN108005387A (en) | A kind of assembled wallboard and the cast-in-place main body method for synchronously constructing of shear wall with short piers | |
| CN110439265A (en) | Bilateral column or wall method for synchronously constructing at a kind of narrow expansion joint | |
| CN108677962B (en) | Subway entrance and exit segment foundation pit formwork installing and dismantling method | |
| CN104295003A (en) | Structural column construction method | |
| CN108104284B (en) | Wallboard connecting structure of shear wall steel arm embedded floor slab and assembly method | |
| CN210263131U (en) | Assembled is from stagnant water underground pipe gallery structure | |
| CN109267585B (en) | Assembled prismatic table type foundation and column structure and assembling method | |
| CN107905424A (en) | Full prefabricated band splicing groove unidirectional harden structure, making and assembly method | |
| CN205224332U (en) | Prefabricated wall body and prefabricated wallboard | |
| CN112112295A (en) | Reinforcing construction method for post-cast strip of post-sealed outer wall | |
| CN217326467U (en) | Shear wall opening forming template system for allowing cantilever type scaffold steel beam to penetrate | |
| CN217326606U (en) | Disassembly-free anti-seepage plugging structure of cantilever type scaffold steel beam through-wall opening | |
| CN101538904B (en) | Gypsum powder poured integral wall and manufacturing method thereof | |
| CN207525961U (en) | A kind of full prefabricated band splicing unidirectional harden structure of groove | |
| CN113738157B (en) | Temporary supports on two sides of post-cast strip of building and method for constructing constructional column by using temporary supports | |
| CN205476468U (en) | Non - design, can all rotary die plate bodys be prefabricated staircase bench template | |
| CN115538625A (en) | Waterproof structure construction method for basement exterior wall bottom | |
| CN211499326U (en) | Synchronous construction structures of concrete infilled wall and cast-in-place structure | |
| CN113323385A (en) | Constructional column formwork structure of T-shaped wall of closed space and formwork supporting method thereof | |
| CN109680722B (en) | Construction method for directly reserving external building access port on basement outer wall | |
| CN207525962U (en) | Side hangs reinforcing bar band shear key reinforced concrete slab structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220705 |