CN111894266A - Integral construction method for primary formwork support of plate-rafter integrated roof of antique building - Google Patents
Integral construction method for primary formwork support of plate-rafter integrated roof of antique building Download PDFInfo
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- CN111894266A CN111894266A CN202010775643.9A CN202010775643A CN111894266A CN 111894266 A CN111894266 A CN 111894266A CN 202010775643 A CN202010775643 A CN 202010775643A CN 111894266 A CN111894266 A CN 111894266A
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- template
- rafter
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Classifications
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- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
- E04D12/004—Battens
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
- E04D3/04—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of concrete or ceramics
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
Abstract
The integral construction method for the primary formwork support of the integrated roof of the archaized building plate rafter comprises the following steps of S1, building a roof formwork support frame: s2, laying a bottom template: s3, mounting a rafter template box: s4, binding of the roof reinforcing steel bar frame: s5, laying a presser foot template S6 and pouring concrete; the eaves rafter prefabricated box type template is processed in a factory and installed on site, and an roof panel, the eaves rafter and a flying rafter are poured and formed in the prefabricated template and the reinforcing steel bars at one time, so that the construction period is effectively shortened; the box-type template of adopting the mill to prefabricate and the on-the-spot installation template combines together, once only the whole embodiment is watered, has avoided prefabricating imitative wooden eaves rafter later stage prefabrication and is carrying out the secondary installation, does not need on-the-spot secondary to set up installation scaffold simultaneously, has reduced the total cost of engineering effectively.
Description
Technical Field
The invention belongs to the technical field of antique building construction, and particularly relates to a one-time formwork erecting integral construction method for a plate and rafter integrated roof of an antique building.
Background
Modern archaize building is mostly wood structure and reinforced concrete frame structure or the structure that both combine together, and considers the requirement of suitability and durability, and most archaize building all adopts reinforced concrete structure. Wherein, the great room lid structure of the construction degree of difficulty. The structural characteristics of the temple building roof such as large cantilever, steep roof and plate rafter integration bring about great difficulty for concrete pouring construction.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a one-time formwork erecting integral construction method for an archaized building plate rafter integrated roof, which has the following specific technical scheme:
the construction method of the integral construction method of the primary formwork of the rafter integrated roof of the antique building comprises the following steps:
s1, building a roof template support frame:
s2, laying a bottom template:
laying a first keel frame;
the bottom template is laid above the first keel frame in front of the bottom template by adopting a whole-piece laying and local small piece splicing method, and the seam of the bottom template is arranged on the first keel frame;
s3, mounting a rafter template box:
popping a rafter installation position line on the surface of the bottom template through an ink box;
mounting a prefabricated rafter template box on a corresponding position line, cleaning the surface of the rafter template box, and after the rafter template box is completely dried, coating an isolating agent on the surface of the rafter template box;
inserting a rafter between adjacent rafter formwork boxes;
s4, binding of the roof reinforcing steel bar frame:
drawing a layout position line of the roof reinforcing steel bars according to a drawing;
binding the roof reinforcing steel bar frame according to the position line in a full buckling mode;
embedding a reinforcing steel bar with the diameter of 14 per 0.5 meter in the roof reinforcing steel frame, and binding and firmly binding the reinforcing steel bar with the main bar and the hoop bar in the roof girder reinforcing steel frame to be used for positioning the reinforcing steel bar and controlling the thickness of the roof plate;
s5, laying a presser foot template:
laying and installing a plywood template with the width of 2 meters on the lower edge of the roof reinforcing steel bar frame to form a presser foot template during slope roof concrete pouring, wherein the presser foot template and the bottom template form a double-layer template structure which is distributed up and down;
laying a second keel frame on the top of the presser foot template, and then connecting the second keel frame, the presser foot template, the roof reinforcing steel bar frame, the rafter template box, the bottom template and the first keel frame into a whole by using a water stop screw rod, wherein the top end of the water stop screw rod is stopped at the top surface of the second keel frame, and the bottom end of the water stop screw rod is stopped at the bottom surface of the first keel frame;
s6, pouring concrete: concrete is filled in the roof reinforcing steel bar frame, so that the roof panel, the eaves rafters and the flying rafters are formed in a one-time pouring mode.
Further, the building of the roof formwork support frame specifically comprises the following steps: erecting steel pipes and upright posts to form a full-hall supporting frame, wherein the size of each steel pipe is phi 48 multiplied by 3.5, and the bottom of each upright post is provided with a No. 8 channel steel as a foot pad; a floor sweeping rod is arranged at the height of the bottom of the upright column, which is 200mm away from the ground, along the vertical and horizontal directions according to the vertical, horizontal and horizontal programs; the top end of the upright post is provided with a horizontal pull rod in the longitudinal and transverse directions, the distance between the floor sweeping rod and the top horizontal pull rod is determined by average distribution under the condition of meeting the step distance requirement of the horizontal pull rod determined by template design, and then the horizontal pull rod is respectively arranged in the longitudinal and transverse directions at each step distance.
Further, the laying of the first keel frame specifically comprises: first steel pipes and first square timbers are laid in a grid shape to form a first keel frame, the distance between the first steel pipes is the same as the distance between vertical rods of the formwork support frame, the distance is 300mm, and the distance between the first square timbers is the same as the distance between the first steel pipes; the size of the first steel pipe is phi 48 multiplied by 3.5, and the size of the first square timber is 40mm multiplied by 80 mm.
Further, laying a second keel frame specifically comprises: second steel pipes and second square timbers are laid in a grid shape to form a second keel frame, the distance between the second steel pipes is the same as the distance between the vertical rods of the formwork support frame, the distance is 300mm, and the distance between the first square timbers is the same as the distance between the first steel pipes; the first steel pipe has the size phi of 48 multiplied by 3.5, and the second square timber has the size phi of 50 multiplied by 80 mm.
Further, the concrete pouring specifically comprises: before pouring the commercial concrete, carrying out slump test, and controlling the slump of the concrete to be 140mm +/-10 mm; pouring concrete is continuously carried out, pouring is carried out from the lower part to the upper part of the cornice, the concrete is filled in the roof reinforcing steel bar frame and is arranged between the presser foot template and the bottom template, and for the part which is not covered by the presser foot template, the poured concrete needs to be manually piled and shoveled in time and vibrated again; vibrating and compacting by using a flat vibrator, vibrating the lower double-layer template part by using an attached vibrator, and carefully knocking and checking by using a carpenter hammer after vibrating to judge whether leakage vibration exists; finally, removing the concrete at the opening of the template; and (5) covering with a film within 12 hours after the concrete pouring is finished, and moisturizing and curing for 14 days after the concrete is finally set.
Further, in S5, the eave position of the presser foot template is fixed and sealed by adopting an edge wood and a wedge, and the outer side is abutted by a horizontal rod for limiting, so that the rigidity and stability of the whole supporting system are ensured.
The invention has the beneficial effects that:
the eave rafter prefabricated box type template is processed in a factory and is installed on site, and the roof panel, the eave rafter and the flying rafter are cast and molded in the prefabricated template and the reinforcing steel bars at one time, so that the construction period is effectively shortened;
the box-type template of adopting the mill to prefabricate and the on-the-spot installation template combines together, once only the whole embodiment is watered, has avoided prefabricating imitative wooden eaves rafter later stage prefabrication and is carrying out the secondary installation, does not need on-the-spot secondary to set up installation scaffold simultaneously, has reduced the total cost of engineering effectively.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The construction method of the integral construction method of the primary formwork of the rafter integrated roof of the antique building comprises the following steps:
s1, building a roof template support frame: the method for constructing the roof formwork support frame specifically comprises the following steps: erecting steel pipes and upright posts to form a full-hall supporting frame, wherein the size of each steel pipe is phi 48 multiplied by 3.5, and the bottom of each upright post is provided with a No. 8 channel steel as a foot pad; a floor sweeping rod is arranged at the height of the bottom of the upright column, which is 200mm away from the ground, along the vertical and horizontal directions according to the vertical, horizontal and horizontal programs; the top end of the upright post is provided with a horizontal pull rod in the longitudinal and transverse directions, the distance between the floor sweeping rod and the top horizontal pull rod is determined by average distribution under the condition of meeting the step distance requirement of the horizontal pull rod determined by template design, and then the horizontal pull rod is respectively arranged in the longitudinal and transverse directions at each step distance.
S2, laying a bottom template:
laying a first keel frame; laying a first keel frame specifically comprises the following steps: first steel pipes and first square timbers are laid in a grid shape to form a first keel frame, the distance between the first steel pipes is the same as the distance between vertical rods of the formwork support frame, the distance is 300mm, and the distance between the first square timbers is the same as the distance between the first steel pipes; the size of the first steel pipe is phi 48 multiplied by 3.5, and the size of the first square timber is phi 40mm multiplied by 80 mm;
the bottom template is laid above the first keel frame in front of the bottom template by adopting a whole-piece laying and local small piece splicing method, and the seam of the bottom template is arranged on the first keel frame;
s3, mounting a rafter template box:
popping a rafter installation position line on the surface of the bottom template through an ink box;
mounting a prefabricated rafter template box on a corresponding position line, cleaning the surface of the rafter template box, and after the rafter template box is completely dried, coating an isolating agent on the surface of the rafter template box;
inserting a rafter between adjacent rafter formwork boxes; on the basis of building a steel pipe full support and uniformly matching a mould, accurately mounting a processed and prefabricated rafter beam spacing wood template box on a bottom mould according to the position, so that the rafter is more convenient to mount and position and more accurate in position;
s4, binding of the roof reinforcing steel bar frame:
drawing a layout position line of the roof reinforcing steel bars according to a drawing;
binding the roof reinforcing steel bar frame according to the position line in a full buckling mode;
embedding a reinforcing steel bar with the diameter of 14 per 0.5 meter in the roof reinforcing steel frame, and binding and firmly binding the reinforcing steel bar with the main bar and the hoop bar in the roof girder reinforcing steel frame to be used for positioning the reinforcing steel bar and controlling the thickness of the roof plate; when reinforcing steel bars of a roof panel are bound, reinforcing steel bars of phi 14 are installed at intervals of 0.5 meter in the direction of a main beam, and the positions of the reinforcing steel bars and the quality of concrete in the construction process are controlled under the combined action of a bottom template of a 2-meter wide plate at the bottom of a slope;
s5, laying a presser foot template:
laying and installing a plywood formwork with the width of 2 meters on the lower edge of the roof reinforcing steel bar frame to form a presser foot formwork during slope roof concrete pouring; a presser foot template belt with the width of 2 meters is paved upwards along the eave direction of the roof, and a bottom die and surface layer double-layer template is formed at the bottom of the pitched roof to control the structural size and quality of the pitched roof in the concrete pouring process;
laying a second keel frame on the top of the presser foot template; the laying of the second keel frame specifically comprises the following steps: second steel pipes and second square timbers are laid in a grid shape to form a second keel frame, the distance between the second steel pipes is the same as the distance between the vertical rods of the formwork support frame, the distance is 300mm, and the distance between the first square timbers is the same as the distance between the first steel pipes; the size of the first steel pipe is phi 48 multiplied by 3.5, and the size of the second square timber is phi 50 multiplied by 80 mm;
then, the second keel frame, the presser foot template, the roof reinforcing steel bar frame, the rafter template box, the bottom template and the first keel frame are connected into a whole by using a water stop screw rod, the top end of the water stop screw rod is stopped at the top surface of the second keel frame, and the bottom end of the water stop screw rod is stopped at the bottom surface of the first keel frame;
s6, pouring concrete to integrally form the roof panel, the eave rafters and the flying rafters;
the method specifically comprises the following steps: before pouring the commercial concrete, carrying out slump test, and controlling the slump of the concrete to be 140mm +/-10 mm; pouring concrete is continuously carried out, pouring is carried out from the lower part to the upper part of the cornice, the concrete is filled in the roof reinforcing steel bar frame and is arranged between the presser foot template and the bottom template, and for the part which is not covered by the presser foot template, the poured concrete needs to be manually piled and shoveled in time and vibrated again; vibrating and compacting by using a flat vibrator, vibrating the lower double-layer template part by using an attached vibrator, and carefully knocking and checking by using a carpenter hammer after vibrating to judge whether leakage vibration exists; finally, removing the concrete at the opening of the template; and (5) covering with a film within 12 hours after the concrete pouring is finished, and moisturizing and curing for 14 days after the concrete is finally set.
As an improvement of the technical scheme, in S5, the eave position of the presser foot template is fixed and sealed by adopting an edge wood and a wedge, and the outer side of the presser foot template is abutted by a horizontal rod for limiting, so that the rigidity and stability of the whole supporting system are ensured.
The construction method fully utilizes the existing materials, saves labor cost and material cost of later-stage prefabrication and installation through processing, installation and field quality control, shortens the construction period, provides construction quality, and has comprehensive technical performance exceeding the practical effect of the traditional prefabricated imitation wood rafters. The construction applicability is good, the effect of the appearance archaized building is met, and the purpose of reducing the manufacturing cost is achieved
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The integral construction method for the primary formwork support of the integrated roof of the archaized building plate rafter is characterized by comprising the following steps of: the construction method comprises the following steps:
s1, building a roof template support frame:
s2, laying a bottom template:
laying a first keel frame;
the bottom template is laid above the first keel frame in front of the bottom template by adopting a whole-piece laying and local small piece splicing method, and the seam of the bottom template is arranged on the first keel frame;
s3, mounting a rafter template box:
popping a rafter installation position line on the surface of the bottom template through an ink box;
mounting a prefabricated rafter template box on a corresponding position line, cleaning the surface of the rafter template box, and after the rafter template box is completely dried, coating an isolating agent on the surface of the rafter template box;
inserting a rafter between adjacent rafter formwork boxes;
s4, binding of the roof reinforcing steel bar frame:
drawing a layout position line of the roof reinforcing steel bars according to a drawing;
binding the roof reinforcing steel bar frame according to the position line in a full buckling mode;
embedding a reinforcing steel bar with the diameter of 14 per 0.5 meter in the roof reinforcing steel frame, and binding and firmly binding the reinforcing steel bar with the main bar and the hoop bar in the roof girder reinforcing steel frame to be used for positioning the reinforcing steel bar and controlling the thickness of the roof plate;
s5, laying a presser foot template:
laying and installing a plywood template with the width of 2 meters on the lower edge of the roof reinforcing steel bar frame to form a presser foot template during slope roof concrete pouring, wherein the presser foot template and the bottom template form a double-layer template structure which is distributed up and down;
laying a second keel frame on the top of the presser foot template, and then connecting the second keel frame, the presser foot template, the roof reinforcing steel bar frame, the rafter template box, the bottom template and the first keel frame into a whole by using a water stop screw rod, wherein the top end of the water stop screw rod is stopped at the top surface of the second keel frame, and the bottom end of the water stop screw rod is stopped at the bottom surface of the first keel frame;
s6, pouring concrete: concrete is filled in the roof reinforcing steel bar frame, so that the roof panel, the eaves rafters and the flying rafters are formed in a one-time pouring mode.
2. The integral construction method of the primary formwork of the rafter integrated roof of the archaized building board as claimed in claim 1, is characterized in that: the method for constructing the roof formwork support frame specifically comprises the following steps: erecting steel pipes and upright posts to form a full-hall supporting frame, wherein the size of each steel pipe is phi 48 multiplied by 3.5, and the bottom of each upright post is provided with a No. 8 channel steel as a foot pad; a floor sweeping rod is arranged at the height of the bottom of the upright column, which is 200mm away from the ground, along the vertical and horizontal directions according to the vertical, horizontal and horizontal programs; the top end of the upright post is provided with a horizontal pull rod in the longitudinal and transverse directions, the distance between the floor sweeping rod and the top horizontal pull rod is determined by average distribution under the condition of meeting the step distance requirement of the horizontal pull rod determined by template design, and then the horizontal pull rod is respectively arranged in the longitudinal and transverse directions at each step distance.
3. The integral construction method of the primary formwork of the rafter integrated roof of the archaized building board as claimed in claim 1, is characterized in that: laying a first keel frame specifically comprises the following steps: first steel pipes and first square timbers are laid in a grid shape to form a first keel frame, the distance between the first steel pipes is the same as the distance between vertical rods of the formwork support frame, the distance is 300mm, and the distance between the first square timbers is the same as the distance between the first steel pipes; the size of the first steel pipe is phi 48 multiplied by 3.5, and the size of the first square timber is 40mm multiplied by 80 mm.
4. The integral construction method of the primary formwork of the rafter integrated roof of the archaized building board as claimed in claim 2, is characterized in that: the laying of the second keel frame specifically comprises the following steps: second steel pipes and second square timbers are laid in a grid shape to form a second keel frame, the distance between the second steel pipes is the same as the distance between the vertical rods of the formwork support frame, the distance is 300mm, and the distance between the first square timbers is the same as the distance between the first steel pipes; the first steel pipe has the size phi of 48 multiplied by 3.5, and the second square timber has the size phi of 50 multiplied by 80 mm.
5. The integral construction method of the primary formwork of the rafter integrated roof of the archaized building board as claimed in claim 1, is characterized in that: the concrete pouring specifically comprises the following steps: before pouring the commercial concrete, carrying out slump test, and controlling the slump of the concrete to be 140mm +/-10 mm; pouring concrete is continuously carried out, pouring is carried out from the lower part to the upper part of the cornice, the concrete is filled in the roof reinforcing steel bar frame and is arranged between the presser foot template and the bottom template, and for the part which is not covered by the presser foot template, the poured concrete needs to be manually piled and shoveled in time and vibrated again; vibrating and compacting by using a flat vibrator, vibrating the lower double-layer template part by using an attached vibrator, and carefully knocking and checking by using a carpenter hammer after vibrating to judge whether leakage vibration exists; finally, removing the concrete at the opening of the template; and (5) covering with a film within 12 hours after the concrete pouring is finished, and moisturizing and curing for 14 days after the concrete is finally set.
6. The integral construction method of the primary formwork of the rafter integrated roof of the archaized building board as claimed in claim 1, is characterized in that: in S5, the eave position of the presser foot template is fixed and sealed by adopting the stupefied wood and the wedge, the outer side is abutted tightly by the horizontal rod for limiting, and the rigidity and the stability of the whole supporting system are ensured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010775643.9A CN111894266B (en) | 2020-08-05 | 2020-08-05 | Integral construction method for primary formwork support of plate-rafter integrated roof of antique building |
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| CN202010775643.9A CN111894266B (en) | 2020-08-05 | 2020-08-05 | Integral construction method for primary formwork support of plate-rafter integrated roof of antique building |
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| CN111894266B CN111894266B (en) | 2022-04-19 |
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| CN111894266B (en) | 2022-04-19 |
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