CN111519895A - Pouring construction method for integral steel formwork of staircase and wall - Google Patents
Pouring construction method for integral steel formwork of staircase and wall Download PDFInfo
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- CN111519895A CN111519895A CN202010411084.3A CN202010411084A CN111519895A CN 111519895 A CN111519895 A CN 111519895A CN 202010411084 A CN202010411084 A CN 202010411084A CN 111519895 A CN111519895 A CN 111519895A
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- concrete
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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
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
-
- 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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
- E04G13/062—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for stairs or steps
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a pouring construction method for an integral steel template of a staircase ladder and a wall, which comprises the steps of template design, template processing and manufacturing, column and wallboard reinforcing steel bar binding, stair reinforcing steel bar binding, template installation, template dismantling and the like. The template has simple structure, convenient manufacture and easy assembly and disassembly, ensures the integrity better than other modes, can ensure that the deformation of the template system is controlled within a specified range in the concrete pouring process, and effectively ensures the construction quality.
Description
Technical Field
The invention discloses a pouring construction method for an integral steel template of a staircase ladder and a wall.
Background
Among the engineering project work progress, the template engineering is undoubtedly the most important component, the template form that is applied to on the construction engineering at present is various, wall form and stair template of marking time all are the staggered floor in most of engineering and prop up and establish, perhaps adopt the plank sheathing to prop up and establish, when the staggered floor is propped up and establishes, inconvenient constructor's normal syntropy, still need set up the cat ladder, there is great potential safety hazard, prop up simultaneously, traditional plank sheathing rigidity, intensity does not have the steel form so good, the easy appearance is run the mould, the mould rises, some quality problems of leaking thick liquid.
Disclosure of Invention
The invention aims to provide a pouring construction method for an integral steel template of a staircase ladder and a wall, which has high working efficiency and good construction quality.
The technical solution of the invention is as follows:
a pouring construction method for an integral steel template of a staircase ladder and a wall is characterized by comprising the following steps: comprises the following steps:
template design
(1) The wall formwork panel of the staircase is a steel plate with the thickness of 5mm, the vertical ribs and the transverse ribs on the back of the steel plate are steel plates with the thickness of 5mm and the width of 60mm, and the phi 48mm steel pipe horizontal keel is welded on a wall steel mould according to the distance between the split bolts, so that the integrity of the formwork is enhanced;
(2) the stair step side template is made of a steel plate with the thickness of 5mm, the wall body and the stair step connecting rib are made of a steel plate with the thickness of 6mm and the width of 60mm, a steel plate with the thickness of 6mm and the width of 60mm is welded at the internal corner of the step plate and the connecting rib, the back of the step panel is made of 8# channel steel, the frame of the stair step is made of 12# channel steel, the stair step and the frame are welded and connected by 5# 5 equilateral angle steel, and adjusting screw rods are welded at two ends of the template;
(II) template processing and manufacturing
(1) Configuring a template according to the horizontal total length of the stair steps, making transverse ribs and vertical ribs on a wall panel by using steel plates with the thickness of 5mm and the thickness of 6mm plus 60mm, wrapping the transverse ribs and the vertical ribs, and processing;
(2) the stair step side template is made of a steel plate with the thickness of 5mm, the wall body and the stair step connecting rib are made of a steel plate with the thickness of 6mm and the width of 60mm, a steel plate with the thickness of 6mm and the width of 60mm is welded at the internal corner of the step plate and the connecting rib, the back of the step panel is made of 8# channel steel, the frame of the stair step is made of 12# channel steel, the stair step and the frame are welded and connected by 5# 5 equilateral angle steel, and adjusting screw rods are welded at two ends of the template;
(III) binding of column, wallboard reinforcing steel bar and stair reinforcing steel bar
(1) Construction unwrapping wire, welding position reinforcing bar include: the wall plate reinforcing steel bars and the bottom welding template elevation positioning reinforcing steel bars can be used as the positioning reinforcing steel bars;
(2) binding the column and wall reinforcing steel bars according to the control line and the elevation line;
(3) after the steel bars are qualified through inspection, the platform and the stair template can be erected;
(4) the stair rest platform and the bench sloping plate are supported;
the template support at the lower part of the stair adopts the conventional method: firstly, erecting a supporting upright stanchion with the vertical and horizontal spacing of 1 m, arranging two horizontal pull rods in the full-height range of the upright stanchion, laying and fixing a main keel, a secondary keel and a multilayer board in sequence, and adjusting the elevation of a bottom die of a stair section;
(5) the adjustable support is arranged on the vertical rod top and the height of the adjustable support is adjusted
Arranging an adjustable support on the top of each vertical rod, and then adjusting the height of the adjustable support according to the elevation of the bottom of the stair section;
(6) arranging primary and secondary keels
Wood squares of 10cm multiplied by 10cm are used as main keels along the length direction of the stair, the distance between the main keels is the same as the row spacing of the vertical rods, wood squares of 5cm multiplied by 10cm are used as secondary keels along the width direction of the stair, and the secondary keels are uniformly arranged at the distance of 250 mm; one surface of the secondary keel, which is 5cm in length, is fixedly contacted with the main keel and the multilayer board; the main keel and the secondary keel are fixed by round nails;
(7) readjusting the height of the adjustable support
After the secondary keel is arranged, the height of the adjustable support is adjusted by pulling a wire again;
(8) fixing bottom die of stair section
Fixing the multilayer board on the secondary keel by using a round nail to ensure the integrity between the keel and the multilayer board;
(9) binding and acceptance of stair reinforcing steel bars
Binding stair reinforcing steel bars according to the drawing requirements, ensuring uniform space and avoiding losing buckles and jumping buckles; checking and accepting after the binding of the reinforcing steel bars is finished, and performing next procedure construction after the checking and accepting are qualified;
(IV) installation of formworks
(1) Wall form fixing and concrete fixing stay
1) A tower crane is selected for lifting the wall steel template in place, and the template is lifted into a staircase;
2) placing and fixing cement supporting blocks, strictly arranging the cement supporting blocks according to the corresponding positions and the number of the screws, and binding the cement supporting blocks by using iron wires;
(2) penetrating a counter-pulling screw rod, penetrating a template by a PVC sleeve and penetrating the counter-pulling screw rod;
(3) tightening the counter-pulling screw rod, and correcting the template;
(4) the stair step steel templates are lifted and positioned in place by a tower crane and then corrected, in order to ensure the integrity of the stair steps and the wall body templates, connecting holes must be corrected and then connected by high-strength bolts of M14 after holes are aligned, the bench side templates adopt wood templates and are fastened in place by steps, and the steel templates on the two sides are all jacked in place by steel pipes and jackscrews;
(5) construction joint of stair
The construction joint template is a wood template and is tightly blocked;
(6) and pouring concrete after the acceptance is qualified.
The stair step concrete, the top plate concrete and the wall body concrete can be poured simultaneously;
1) pouring concrete simultaneously at two ends of the wall;
2) when the pouring height exceeds 3m, the concrete falls down by adopting a string cylinder or a chute, so that the segregation phenomenon in the pouring process is prevented;
3) the tread is completely smoothed by a trowel and is combed;
(V) form removal
After the concrete of the wall body and the step template is poured, removing the mold when the strength of the concrete reaches 1.2MPa, and removing the mold after the strength of the bottom mold meets the requirement according to the same condition;
(1) dismantling the wall split bolts and unscrewing the connecting bolts of the step template;
(2) prying and loosening the stair steel template to separate the stair steel template from the concrete;
(3) and hoisting the steel template to the template by using a tower crane to stack, cleaning brushing oil and preparing the steel template for the previous layer.
And (3) the positioning steel bars in the step (III) and (1) are steel bars with phi 12 mm.
The template has simple structure, convenient manufacture and easy assembly and disassembly, ensures the integrity better than other modes, can ensure that the deformation of the template system is controlled within a specified range in the concrete pouring process, and effectively ensures the construction quality. The staircase template of being convenient for is under construction simultaneously, does not influence next process, improves work efficiency. The staircase wall steel large mould and the stair step steel mould support system are flexible to apply and can be used for preparing a fixed lifting mould. The turnover frequency of the template is large, the template can be recycled, and the environment-friendly social requirement is met. During construction, a tower crane is matched for hoisting in place, so that the full utilization can be realized. The invention is suitable for engineering construction with stairs, such as a frame structure, a frame shear wall structure, a shear wall structure and the like.
According to the size of the wall body of the staircase and the size of the stair steps, the invention manufactures the shaping template in advance, and is different from the traditional wood template supporting system in that: according to the method, the wall steel template and the stair steps are both steel templates, and the wall steel template and the stair steps are fixedly connected by the high-strength bolts of M14, so that the strength and the rigidity of the template are greatly improved, and the integrity and the stability of a template supporting system are enhanced. The formwork can be effectively ensured not to run out of the formwork and deform in the concrete pouring process, the flatness, the verticality, the section size and the stair step quality of the wall body completely meet the specification and the design requirement, the installation and the removal are simple and convenient, the construction speed is high, and the formwork is hoisted in place by using a tower crane.
The present invention will be further described with reference to the following examples.
Detailed Description
A pouring construction method for an integral steel template of a staircase ladder and a wall comprises the following steps:
template design
(1) The wall formwork panel of the staircase is a steel plate with the thickness of 5mm, the vertical ribs and the transverse ribs on the back of the steel plate are steel plates with the thickness of 5mm and the width of 60mm, and the phi 48mm steel pipe horizontal keel is welded on a wall steel mould according to the distance between the split bolts, so that the integrity of the formwork is enhanced;
(2) the stair step side template is made of a steel plate with the thickness of 5mm, the wall body and the stair step connecting rib are made of a steel plate with the thickness of 6mm and the width of 60mm, a steel plate with the thickness of 6mm and the width of 60mm is welded at the internal corner of the step plate and the connecting rib, the back of the step panel is made of 8# channel steel, the frame of the stair step is made of 12# channel steel, the stair step and the frame are welded and connected by 5# 5 equilateral angle steel, and adjusting screw rods are welded at two ends of the template;
(II) template processing and manufacturing
(1) Configuring a template according to the horizontal total length of the stair steps, making transverse ribs and vertical ribs on a wall panel by using steel plates with the thickness of 5mm and the thickness of 6mm plus 60mm, wrapping the transverse ribs and the vertical ribs, and processing;
(2) the stair step side template is made of a steel plate with the thickness of 5mm, the wall body and the stair step connecting rib are made of a steel plate with the thickness of 6mm and the width of 60mm, a steel plate with the thickness of 6mm and the width of 60mm is welded at the internal corner of the step plate and the connecting rib, the back of the step panel is made of 8# channel steel, the frame of the stair step is made of 12# channel steel, the stair step and the frame are welded and connected by 5# 5 equilateral angle steel, and adjusting screw rods are welded at two ends of the template;
(III) binding of column, wallboard reinforcing steel bar and stair reinforcing steel bar
(1) Construction unwrapping wire, welding position reinforcing bar include: the wall plate reinforcing steel bars and the bottom welding template elevation positioning reinforcing steel bars can be used as the positioning reinforcing steel bars;
(2) binding the column and wall reinforcing steel bars according to the control line and the elevation line;
(3) after the steel bars are qualified through inspection, the platform and the stair template can be erected;
(4) the stair rest platform and the bench sloping plate are supported;
the template support at the lower part of the stair adopts the conventional method: firstly, erecting a supporting upright stanchion with the vertical and horizontal spacing of 1 m, arranging two horizontal pull rods in the full-height range of the upright stanchion, laying and fixing a main keel, a secondary keel and a multilayer board in sequence, and adjusting the elevation of a bottom die of a stair section;
(5) the adjustable support is arranged on the vertical rod top and the height of the adjustable support is adjusted
Arranging an adjustable support on the top of each vertical rod, and then adjusting the height of the adjustable support according to the elevation of the bottom of the stair section;
(6) arranging primary and secondary keels
Wood squares of 10cm multiplied by 10cm are used as main keels along the length direction of the stair, the distance between the main keels is the same as the row spacing of the vertical rods, wood squares of 5cm multiplied by 10cm are used as secondary keels along the width direction of the stair, and the secondary keels are uniformly arranged at the distance of 250 mm; one surface of the secondary keel, which is 5cm in length, is fixedly contacted with the main keel and the multilayer board; the main keel and the secondary keel are fixed by round nails;
(7) readjusting the height of the adjustable support
After the secondary keel is arranged, the height of the adjustable support is adjusted by pulling a wire again;
(8) fixing bottom die of stair section
Fixing the multilayer board on the secondary keel by using a round nail to ensure the integrity between the keel and the multilayer board;
(9) binding and acceptance of stair reinforcing steel bars
Binding stair reinforcing steel bars according to the drawing requirements, ensuring uniform space and avoiding losing buckles and jumping buckles; checking and accepting after the binding of the reinforcing steel bars is finished, and performing next procedure construction after the checking and accepting are qualified;
(IV) installation of formworks
(1) Wall form fixing and concrete fixing stay
1) A tower crane is selected for lifting the wall steel template in place, and the template is lifted into a staircase;
2) placing and fixing cement supporting blocks, strictly arranging the cement supporting blocks according to the corresponding positions and the number of the screws, and binding the cement supporting blocks by using iron wires;
(2) penetrating a counter-pulling screw rod, penetrating a template by a PVC sleeve and penetrating the counter-pulling screw rod;
(3) tightening the counter-pulling screw rod, and correcting the template;
(4) the stair step steel templates are lifted and positioned in place by a tower crane and then corrected, in order to ensure the integrity of the stair steps and the wall body templates, connecting holes must be corrected and then connected by high-strength bolts of M14 after holes are aligned, the bench side templates adopt wood templates and are fastened in place by steps, and the steel templates on the two sides are all jacked in place by steel pipes and jackscrews;
(5) construction joint of stair
The construction joint template is a wood template and is tightly blocked;
(6) and pouring concrete after the acceptance is qualified.
The stair step concrete, the top plate concrete and the wall body concrete can be poured simultaneously;
1) pouring concrete simultaneously at two ends of the wall;
2) when the pouring height exceeds 3m, the concrete falls down by adopting a string cylinder or a chute, so that the segregation phenomenon in the pouring process is prevented;
3) the tread is completely smoothed by a trowel and is combed;
(V) form removal
After the concrete of the wall body and the step template is poured, removing the mold when the strength of the concrete reaches 1.2MPa, and removing the mold after the strength of the bottom mold meets the requirement according to the same condition;
(1) dismantling the wall split bolts and unscrewing the connecting bolts of the step template;
(2) prying and loosening the stair steel template to separate the stair steel template from the concrete;
(3) and hoisting the steel template to the template by using a tower crane to stack, cleaning brushing oil and preparing the steel template for the previous layer.
And (3) the positioning steel bars in the step (III) and (1) are steel bars with phi 12 mm.
Claims (2)
1. A pouring construction method for an integral steel template of a staircase ladder and a wall is characterized by comprising the following steps: comprises the following steps:
template design
(1) The wall formwork panel of the staircase is a steel plate with the thickness of 5mm, the vertical ribs and the transverse ribs on the back of the steel plate are steel plates with the thickness of 5mm and the width of 60mm, and the phi 48mm steel pipe horizontal keel is welded on a wall steel mould according to the distance between the split bolts, so that the integrity of the formwork is enhanced;
(2) the stair step side template is made of a steel plate with the thickness of 5mm, the wall body and the stair step connecting rib are made of a steel plate with the thickness of 6mm and the width of 60mm, a steel plate with the thickness of 6mm and the width of 60mm is welded at the internal corner of the step plate and the connecting rib, the back of the step panel is made of 8# channel steel, the frame of the stair step is made of 12# channel steel, the stair step and the frame are welded and connected by 5# 5 equilateral angle steel, and adjusting screw rods are welded at two ends of the template;
(II) template processing and manufacturing
(1) Configuring a template according to the horizontal total length of the stair steps, making transverse ribs and vertical ribs on a wall panel by using steel plates with the thickness of 5mm and the thickness of 6mm plus 60mm, wrapping the transverse ribs and the vertical ribs, and processing;
(2) the stair step side template is made of a steel plate with the thickness of 5mm, the wall body and the stair step connecting rib are made of a steel plate with the thickness of 6mm and the width of 60mm, a steel plate with the thickness of 6mm and the width of 60mm is welded at the internal corner of the step plate and the connecting rib, the back of the step panel is made of 8# channel steel, the frame of the stair step is made of 12# channel steel, the stair step and the frame are welded and connected by 5# 5 equilateral angle steel, and adjusting screw rods are welded at two ends of the template;
(III) binding of column, wallboard reinforcing steel bar and stair reinforcing steel bar
(1) Construction unwrapping wire, welding position reinforcing bar include: the wall plate reinforcing steel bars and the bottom welding template elevation positioning reinforcing steel bars can be used as the positioning reinforcing steel bars;
(2) binding the column and wall reinforcing steel bars according to the control line and the elevation line;
(3) after the steel bars are qualified through inspection, the platform and the stair template can be erected;
(4) the stair rest platform and the bench sloping plate are supported;
supporting a template at the lower part of the stair: firstly, erecting a supporting upright stanchion with the vertical and horizontal spacing of 1 m, arranging two horizontal pull rods in the full-height range of the upright stanchion, laying and fixing a main keel, a secondary keel and a multilayer board in sequence, and adjusting the elevation of a bottom die of a stair section;
(5) the adjustable support is arranged on the vertical rod top and the height of the adjustable support is adjusted
Arranging an adjustable support on the top of each vertical rod, and then adjusting the height of the adjustable support according to the elevation of the bottom of the stair section;
(6) arranging primary and secondary keels
Wood squares of 10cm multiplied by 10cm are used as main keels along the length direction of the stair, the distance between the main keels is the same as the row spacing of the vertical rods, wood squares of 5cm multiplied by 10cm are used as secondary keels along the width direction of the stair, and the secondary keels are uniformly arranged at the distance of 250 mm; one surface of the secondary keel, which is 5cm in length, is fixedly contacted with the main keel and the multilayer board; the main keel and the secondary keel are fixed by round nails;
(7) readjusting the height of the adjustable support
After the secondary keel is arranged, the height of the adjustable support is adjusted by pulling a wire again;
(8) fixing bottom die of stair section
Fixing the multilayer board on the secondary keel by using a round nail to ensure the integrity between the keel and the multilayer board;
(9) binding and acceptance of stair reinforcing steel bars
Binding stair reinforcing steel bars according to the drawing requirements, ensuring uniform space and avoiding losing buckles and jumping buckles; checking and accepting after the binding of the reinforcing steel bars is finished, and performing next procedure construction after the checking and accepting are qualified;
(IV) installation of formworks
(1) Wall form fixing and concrete fixing stay
1) A tower crane is selected for lifting the wall steel template in place, and the template is lifted into a staircase;
2) placing and fixing cement supporting blocks, strictly arranging the cement supporting blocks according to the corresponding positions and the number of the screws, and binding the cement supporting blocks by using iron wires;
(2) penetrating a counter-pulling screw rod, penetrating a template by a PVC sleeve and penetrating the counter-pulling screw rod;
(3) tightening the counter-pulling screw rod, and correcting the template;
(4) the stair step steel templates are lifted and positioned in place by a tower crane and then corrected, in order to ensure the integrity of the stair steps and the wall body templates, connecting holes must be corrected and then connected by high-strength bolts of M14 after holes are aligned, the bench side templates adopt wood templates and are fastened in place by steps, and the steel templates on the two sides are all jacked in place by steel pipes and jackscrews;
(5) construction joint of stair
The construction joint template is a wood template and is tightly blocked;
(6) pouring concrete after acceptance;
the stair step concrete, the top plate concrete and the wall body concrete can be poured simultaneously;
1) pouring concrete simultaneously at two ends of the wall;
2) when the pouring height exceeds 3m, the concrete falls down by adopting a string cylinder or a chute, so that the segregation phenomenon in the pouring process is prevented;
3) the tread is completely smoothed by a trowel and is combed;
(V) form removal
After the concrete of the wall body and the step template is poured, removing the mold when the strength of the concrete reaches 1.2MPa, and removing the mold after the strength of the bottom mold meets the requirement according to the same condition;
(1) dismantling the wall split bolts and unscrewing the connecting bolts of the step template;
(2) prying and loosening the stair steel template to separate the stair steel template from the concrete;
(3) and hoisting the steel template to the template by using a tower crane to stack, cleaning brushing oil and preparing the steel template for the previous layer.
2. The pouring construction method of the integral steel formwork of the staircase ladder and the wall according to claim 1, which is characterized in that: and (3) the positioning steel bars in the step (III) and (1) are steel bars with phi 12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010411084.3A CN111519895A (en) | 2020-05-15 | 2020-05-15 | Pouring construction method for integral steel formwork of staircase and wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010411084.3A CN111519895A (en) | 2020-05-15 | 2020-05-15 | Pouring construction method for integral steel formwork of staircase and wall |
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| Publication Number | Publication Date |
|---|---|
| CN111519895A true CN111519895A (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010411084.3A Withdrawn CN111519895A (en) | 2020-05-15 | 2020-05-15 | Pouring construction method for integral steel formwork of staircase and wall |
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| CN (1) | CN111519895A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787587A (en) * | 2021-09-24 | 2021-12-14 | 中国十七冶集团有限公司 | Integral stair pouring mold and stair pouring construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2303062A1 (en) * | 1973-01-23 | 1974-12-12 | Kurt Konrad Gustav Karl Nagl | FORMWORK STRUCTURE FOR THE PRODUCTION OF REINFORCED CONCRETE STAIRS |
| DE3826445C1 (en) * | 1988-08-01 | 1990-02-08 | Lentz, Julia | Shuttering device for concrete staircases |
| DE19706680A1 (en) * | 1997-02-20 | 1998-08-27 | Baumann Verwertungs Gmbh | Shuttering element to produce concrete steps |
| CN107401279A (en) * | 2017-09-19 | 2017-11-28 | 中联世纪建设集团有限公司 | Disposable one-piece casting staircase wall ladder combined steel formwork installation construction method |
| CN105863253B (en) * | 2016-05-25 | 2018-06-01 | 恒德建设有限公司 | Integral formwork support is asynchronous to pour staircase wall column formwork system and construction method |
-
2020
- 2020-05-15 CN CN202010411084.3A patent/CN111519895A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2303062A1 (en) * | 1973-01-23 | 1974-12-12 | Kurt Konrad Gustav Karl Nagl | FORMWORK STRUCTURE FOR THE PRODUCTION OF REINFORCED CONCRETE STAIRS |
| DE3826445C1 (en) * | 1988-08-01 | 1990-02-08 | Lentz, Julia | Shuttering device for concrete staircases |
| DE19706680A1 (en) * | 1997-02-20 | 1998-08-27 | Baumann Verwertungs Gmbh | Shuttering element to produce concrete steps |
| CN105863253B (en) * | 2016-05-25 | 2018-06-01 | 恒德建设有限公司 | Integral formwork support is asynchronous to pour staircase wall column formwork system and construction method |
| CN107401279A (en) * | 2017-09-19 | 2017-11-28 | 中联世纪建设集团有限公司 | Disposable one-piece casting staircase wall ladder combined steel formwork installation construction method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787587A (en) * | 2021-09-24 | 2021-12-14 | 中国十七冶集团有限公司 | Integral stair pouring mold and stair pouring construction method |
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Application publication date: 20200811 |