CN105133830A - Formwork reinforcing system replacing wood with steel and construction technology thereof in external wall construction - Google Patents
Formwork reinforcing system replacing wood with steel and construction technology thereof in external wall construction Download PDFInfo
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- CN105133830A CN105133830A CN201510519899.2A CN201510519899A CN105133830A CN 105133830 A CN105133830 A CN 105133830A CN 201510519899 A CN201510519899 A CN 201510519899A CN 105133830 A CN105133830 A CN 105133830A
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Abstract
The invention belongs to the field of building construction, and provides a formwork reinforcing system replacing wood with steel and a construction technology thereof in external wall construction. The formwork reinforcing system replacing the wood with the steel is characterized in that a steel keel support assembly is arranged on a concrete structural wall body and composed of vertical battens and horizontal battens, the vertical battens are fixed to waterproof-bolt holes in the uppermost row of the two sides of the concrete structural wall body, the horizontal battens are horizontally arranged on the vertical battens, vertical keels are perpendicularly arranged on the horizontal battens, and the vertical keels are fixedly connected with a wooden formwork through steel nails. The construction technology of the formwork reinforcing system replacing the wood with the steel comprises the following steps of scaffold erection, aerial supporting construction of the external wall vertical steel keels, seam splicing construction of an external wall formwork, steel keel installation construction and external wall reinforcing construction. According to the formwork reinforcing system replacing the wood with the steel and the construction technology thereof in the external wall construction, the technology is simple, operation is convenient, and the construction problem existing in an existing construction technology is effectively solved.
Description
Technical field
The invention belongs to the realm of building construction, be specifically related in cast-in-place concrete structure construction with the construction technology of formwork reinforcement system in external wall construction of steel generation wood.
Background technology
At present, rare gradually along with timber resources, country more and more payes attention to low-carbon (LC), environmental protection, renewable, the use of new material that can have enough to meet the need, and building field is also one of high energy-consuming industry, and green construction has been a kind of new normality.Domestic cast-in-place concrete structure construction is comparatively general, and in cast-in-place structural construction, traditional formwork reinforcement system adopts flitch to do secondary joist mostly.In recent years, because mechanical properties of pipe is much better than traditional flitch, workman can be stopped when constructing arbitrarily to cut, effectively can control construction cost etc., so with steel for wooden construction concept more and more adopt by most unit in charge of construction, but but there is following construction difficult problem in square steel pipe in construction: square steel pipe deadweight is comparatively large, and particularly when some superelevation external wall constructions, the vertical deadweight of steel pipe, much larger than the deadweight of flitch, cannot unsettledly be placed; The traditional handicraft squeezing into iron nail cannot be adopted between square steel pipe with wood glue plate to be fixedly connected with; In superelevation, overlength position steel pipe cannot the random construction technology difficult problem such as spreading.
Summary of the invention
The object of the invention is to solve an above-mentioned construction technology difficult problem, provide a kind of with the formwork reinforcement system of steel generation wood and the construction technology in external wall construction thereof, technique is simple, easy to operate.
The technical scheme that the present invention is adopted for achieving the above object is: propose a kind of with the formwork reinforcement system of steel generation wood, the concrete structure body of wall completed is banded with spacer bars, wooden form is fixedly connected with spacer bars, wooden form outrigger is provided with lateral keel and vertical keel, lateral keel and vertical keel are steel pipe, lateral keel and vertical keel overlap and adopt split bolt drawknot to fix, concrete structure body of wall is provided with steel joist supporting component, described steel joist supporting component is made up of vertical flitch and horizontal flitch, what vertical flitch was fixed on concrete structure body of wall both sides goes up row's water-proof bolt hole place most, vertical flitch upper level is placed with horizontal flitch, described vertical keel is vertically placed on horizontal flitch, vertical keel and wooden form adopt steel nail to be fixedly connected with.
Described vertical flitch is symmetrical arranged by group in the both sides of concrete structure body of wall, is provided with one group along body of wall length direction at interval of for 1.2-1.5m, and the vertical flitch of both sides adopts split bolt drawknot to fix, and often organizes vertical flitch and is made up of two flitches.
Described vertical keel and wooden form adopt the steel nail bent to fix, and one end of steel nail hammers in wooden form, and the other end of steel nail bends downwards and compresses with the inner surface of vertical keel and is connected.
Described vertical keel adopts square steel pipe, and lateral keel adopts round steel pipe or square steel pipe.
Described wooden form is formed by some blocks of wood glue plates spelling group between two, two vertical edges of adjacent two pieces of wood glue plate seam crossings are fixed with a flitch respectively, the splicing height of flitch is consistent with exterior wall height, and the piece position consistency of the piece of two flitches and two blocks of wood glue plates, the edge joint position of two flitches is laterally fixed with edge sealing batten, and the lengthwise position of two flitch pieces is provided with an edge sealing batten at interval of 250-400mm.
Described vertical keel adopts sizing jig spreading, sizing jig is made up of set bolt, U-shaped draw-in groove and support supporting plate, U-shaped draw-in groove biside plate central lower is provided with adjustable set bolt, and the solid welding of described support supporting plate forms U-shaped supporting plate in the outer upper of U-shaped draw-in groove side plate.
With the construction technology of formwork reinforcement system in external wall construction of steel generation wood, it is characterized in that, comprise the following steps:
(1) scaffold building: after surveying setting-out, sets up basement external scaffolding by construction requirement;
(2) exterior wall vertical steel keel make somebody a mere figurehead Construction of Supporting: the concrete structure body of wall both sides of having completed on arrange water-proof bolt hole place and fix vertical flitch respectively, the vertical flitch of both sides adopts split bolt drawknot to reinforce, vertical flitch upper level places a horizontal flitch, the length of horizontal flitch splicing is identical with body of wall length, vertical flitch and horizontal flitch composition steel joist supporting component;
(3) outer wall template piece construction: after spacer bars colligation completes, assembled outer wall wooden template, outer wall wooden template is by some wood glue plates spelling between two, two vertical edges of adjacent two pieces of wood glue plate seam crossings fix a flitch respectively, the splicing height of flitch is consistent with exterior wall height, and the piece position consistency of the piece of two flitches and two blocks of wood glue plates, the edge joint position of two flitches is laterally fixed with edge sealing batten, and edge sealing batten is spaced apart in the lengthwise position of two flitch pieces; Assembled good outer wall wooden template is placed on the horizontal flitch of steel joist supporting component, finally penetrates split bolt bar and wood glue plate is tentatively reinforced;
(4) steel joist installation: carry out steel joist erection on steel joist supporting component, vertical keel is vertically placed on horizontal flitch, with steel nail, vertical keel and outer wall wooden template being fixed, according to this constructure scheme, installing arranging vertical keel under body of wall both sides successively; Lateral keel is installed, the verticality of adjustment vertical keel, last fastening split bolt matched moulds;
(5) exterior wall strengthening construction: adopt steel pipe to carry out side direction reinforcing after carrying out rectify perpendicular to overall exterior wall side form, one end skewed horizontal load of steel pipe support bar is in the template at exterior wall mid-height place, one end is connected on pre-buried earth anchor reinforcing bar in addition, body of wall short transverse is provided with a steel pipe support bar, along every 3 meters of body of wall length direction, a steel pipe support bar is set, after having installed, carry out installing quality examination.
The spreading construction technology of vertical keel in described step (4) in superelevation exterior wall is: use sizing jig to carry out spreading to vertical keel, first determine to determine according to the height of body of wall and the square steel pipe length of needs the height that sizing jig is fixing, after installing first square steel pipe, sizing jig is installed, jig of wherein shaping comprises set bolt, U-shaped draw-in groove, support supporting plate, by regulating the bolt of U-shaped draw-in groove both sides by fixing for the first square steel pipe occlusion be positioned in the middle of U-shaped draw-in groove, then waiting second square steel pipe is placed on and supports on supporting plate, when sizing jig is installed, U-shaped draw-in groove opening direction is close to outer wall template, described in the second same step of square steel pipe roof reinforcement method (4), installed by second row square steel pipe successively, as needed the 3rd row's spreading, method is same as above.
Edge sealing batten described in described step (3) is spaced apart 250-400mm in the lengthwise position of two flitch pieces.
In described step (4), vertical keel adopts square steel pipe, and lateral keel adopts round steel pipe or square steel pipe.
Beneficial effect of the present invention is embodied in:
(1) vertical keel in the present invention adopts square steel pipe to have good stability, does not roll, advantage that planeness is good, and when same cross section, rigidity is large, and can mate better with wooden form;
(2) steel joist bulit on stilts construction technology is adopted in the present invention, the concrete structure body of wall both sides of having completed on arrange water-proof bolt place and fix vertical flitch respectively, the flitch of both sides adopts split bolt drawknot to reinforce, vertical flitch upper level places horizontal flitch for by steel joist bulit on stilts, efficiently solve with steel larger for square steel pipe deadweight in wooden construction technology, particularly when some superelevation external wall constructions, the vertical deadweight of steel pipe, cannot the construction difficult problem of unsettled placement much larger than the deadweight of flitch;
(3) the present invention adopts common steel nail tentatively to reinforce square steel pipe, the 50-80% of steel nail is hammered into wood glue plate, the remainder of steel nail bends downwards and compresses with the inner surface of vertical keel and is connected, adopt and this method solve the construction difficult problem be fixedly connected with that cannot adopt between square steel pipe with wood glue plate in traditional handicraft and squeeze into iron nail, and simple to operate, cost is low;
(4) sizing jig is adopted to complete the spreading of vertical keel in the present invention, square steel pipe is placed in the U-type groove of sizing jig, by regulating the bolt of U-shaped draw-in groove both sides by fixing for square steel pipe occlusion, then support needing second of spreading square steel pipe to be placed on supporting plate and be tentatively fixed on the spreading that outer wall template can complete square steel pipe, solving in superelevation, overlength position steel pipe cannot the random construction technology difficult problem such as spreading.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the 1-1 cross-section illustration intention of Fig. 1;
Fig. 3 is the 2-2 cross-section illustration intention of Fig. 1;
Fig. 4 is the partial enlarged drawing at I place in Fig. 2;
Fig. 5 is the structure chart of jig of shaping in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is specifically described:
As Figure 1-5, a kind of with the formwork reinforcement system of steel generation wood, concrete structure body of wall 1 is provided with steel joist supporting component, steel joist supporting component is made up of vertical flitch 3a and horizontal flitch 3b, what vertical flitch 3a was fixed on concrete structure body of wall 1 both sides goes up row's water-proof bolt hole 2 place most, vertical flitch 3a is symmetrical arranged by group in the both sides of concrete structure body of wall 1, one group is provided with at interval of for 1.2-1.5m along body of wall length direction, the vertical flitch of both sides adopts split bolt drawknot to fix, often organize vertical flitch 3a to be made up of two flitches, the upper level of vertical flitch 3a is placed with horizontal flitch 3b.Colligation spacer bars 9 on concrete structure body of wall 1, wooden form is fixedly connected with spacer bars 9, wooden form outrigger is provided with lateral keel 5 and vertical keel, lateral keel 5 adopts round steel pipe (also can use square steel pipe), vertical keel adopts square steel pipe 4, and square steel pipe 4 is vertically placed on horizontal flitch 3b, and square steel pipe 4 and wooden form adopt steel nail to fix, one end of steel nail hammers in wooden form, and the other end of steel nail bends downwards and compresses with the inner surface of square steel pipe 4 and is connected.Lateral keel 4 and vertical keel overlap and adopt split bolt 6 drawknot to fix.
Wooden form is formed by some blocks of wood glue plates 10 spelling group between two, 40mm × 90mm flitch 3c fixed respectively by two vertical edges iron nails 8 of adjacent two pieces of wood glue plate 10 seam crossings, the splicing height of flitch 3c is consistent with exterior wall height, and the piece position consistency of the piece of two flitch 3c and two blocks of wood glue plates, the edge joint position of two flitch 3c adopts the horizontal edge sealing of 40mm*180mm wood fragments offset plate, firmly overall at interval of once forming one for 250-400mm edge sealing in the lengthwise position of two flitch pieces, wood glue plate 10 is vertically placed on horizontal flitch 3b, penetrate split bolt bar 6 wood glue plate is tentatively reinforced.
In superelevation external wall construction, need to carry out spreading to vertical keel, sizing jig 7 is adopted to carry out vertical keel spreading in the present embodiment, sizing jig is made up of set bolt 13, U-shaped draw-in groove 14 and support supporting plate 15, the both sides of U-shaped draw-in groove 14 are provided with adjustable set bolt, support supporting plate 15 solid welding and form U-shaped supporting plate in the outer upper of U-shaped draw-in groove side plate.During spreading, after first installing first square steel pipe, sizing jig 7 is installed, by regulating the bolt 13 of U-shaped draw-in groove 14 both sides by fixing for the first square steel pipe occlusion be positioned in the middle of U-shaped draw-in groove 14, then waiting second square steel pipe is placed on and supports on supporting plate 15, when installing sizing jig 7, U-shaped draw-in groove 14 opening direction is close to template
With the construction technology of formwork reinforcement system in external wall construction of steel generation wood, comprise the following steps:
(1) scaffold building: after surveying setting-out, sets up basement external scaffolding by construction requirement;
(2) exterior wall vertical steel keel make somebody a mere figurehead Construction of Supporting: concrete structure body of wall 1 both sides of having completed on arrange water-proof bolt hole 2 place and fix two vertical flitch 3a respectively, the vertical flitch 3a of both sides adopts split bolt 6a drawknot to reinforce, vertical flitch 3a upper level places a horizontal flitch 3b, and the length that horizontal flitch 3b splices is identical with body of wall length; Along body of wall length direction, one group of vertical flitch 3a is set every 1.2-1.5m;
(3) outer wall template piece construction: assembled outer wall template, wood glue plate 10 spelling between two, 40mm × 90mm flitch 3c fixed respectively by two vertical edges iron nails 8 adjacent on two blocks of wood glue plates 10, the splicing height of flitch 3c is consistent with exterior wall height, and the piece position consistency of the piece of two flitch 3c and two blocks of wood glue plates, the edge joint position of two flitch 3c adopts the horizontal edge sealing of 40mm*180mm wood fragments offset plate, firmly overall at interval of once forming one for 250-400mm edge sealing in the lengthwise position of two flitch pieces, wood glue plate 10 is vertically placed on horizontal flitch 3b, penetrate split bolt bar 6 wood glue plate is tentatively reinforced.
(4) steel joist installation: lateral keel adopts round steel pipe (also can adopt square steel pipe), vertical keel adopts square steel pipe, a 6m rectangular steel pipe 4a is vertically placed on built on stilts horizontal flitch 3b, middle position at square steel pipe 4 top end opening place vertically hammers into the steel nail of 3-5cm in wood glue plate, one end of steel nail hammers in wood glue plate, the other end of steel nail bends downwards and compresses with the inner surface of square steel pipe 4 and is connected, and tentatively fixes square steel pipe.According to this constructure scheme, install arranging square steel pipe under body of wall both sides successively; Lateral keel 5 is installed, the verticality of adjustment square steel pipe 4, last fastening split bolt 6 matched moulds.
(5) exterior wall strengthening construction: adopt steel pipe to carry out side direction reinforcing after carrying out rectify perpendicular to overall exterior wall side form, when reinforcement means is floor slab construction, embedded bar earth anchor 11, exterior wall backing material is round steel pipe support bar 12, when installing, round steel pipe support bar 12 one end skewed horizontal load is at form height for setting up body of wall mid-height place, and one end is connected on pre-buried earth anchor 11 reinforcing bar in addition, skewed horizontal load steel pipe is together along wall height direction, be along its length every 3 meters one.After having installed, carry out installing quality examination.
When superelevation external wall construction, need to carry out spreading to vertical keel, the spreading construction technology of vertical keel is: use sizing jig 7 pairs of vertical keels to carry out spreading, first determine to determine according to the height of body of wall and the square steel pipe length of needs the height that sizing jig 7 is fixing, after installing first square steel pipe, sizing jig 7 is installed, jig 7 of wherein shaping comprises set bolt 13, U-shaped draw-in groove 14 and support supporting plate 15, by regulating the bolt 13 of U-shaped draw-in groove 14 both sides by fixing for the first square steel pipe occlusion be positioned in the middle of U-shaped draw-in groove 14, then waiting second square steel pipe is placed on and supports on supporting plate 15, when sizing jig 7 is installed, U-shaped draw-in groove 14 opening direction is close to template, described in the second same above-mentioned steps of square steel pipe roof reinforcement method (4), installed by second row square steel pipe successively, as needed the 3rd row's spreading, method is same as above.
What the present invention proposed has easy to operate with the formwork reinforcement system of steel generation wood and the construction technology in superelevation exterior wall thereof, and the significant advantage that cost is low, efficiently solves the construction difficult problem existed in existing construction technology.
Claims (10)
1. with the formwork reinforcement system of steel generation wood, the concrete structure body of wall completed is banded with spacer bars, wooden form is fixedly connected with spacer bars, wooden form outrigger is provided with lateral keel and vertical keel, lateral keel and vertical keel are steel pipe, lateral keel and vertical keel overlap and adopt split bolt drawknot to fix, it is characterized in that: on concrete structure body of wall, be provided with steel joist supporting component, described steel joist supporting component is made up of vertical flitch and horizontal flitch, what vertical flitch was fixed on concrete structure body of wall both sides goes up row's water-proof bolt hole place most, vertical flitch upper level is placed with horizontal flitch, described vertical keel is vertically placed on horizontal flitch, vertical keel and wooden form adopt steel nail to be fixedly connected with.
2. according to claim 1 with the formwork reinforcement system of steel generation wood, it is characterized in that: described vertical flitch is symmetrical arranged by group in the both sides of concrete structure body of wall, one group is provided with at interval of for 1.2-1.5m along body of wall length direction, the vertical flitch of both sides adopts split bolt drawknot to fix, and often organizes vertical flitch and is made up of two flitches.
3. according to claim 1 with the formwork reinforcement system of steel generation wood, it is characterized in that: described vertical keel and wooden form adopt the steel nail bent to fix, one end of steel nail hammers in wooden form, and the other end of steel nail bends downwards and compresses with the inner surface of vertical keel and is connected.
4., according to the arbitrary described formwork reinforcement system wooden with steel generation of claim 1-3, it is characterized in that: described vertical keel adopts square steel pipe, lateral keel adopts round steel pipe or square steel pipe.
5. according to the arbitrary described formwork reinforcement system wooden with steel generation of claim 1-3, it is characterized in that: described wooden form is formed by some blocks of wood glue plates spelling group between two, two vertical edges of adjacent two pieces of wood glue plate seam crossings are fixed with a flitch respectively, the splicing height of flitch is consistent with exterior wall height, and the piece position consistency of the piece of two flitches and two blocks of wood glue plates, the edge joint position of two flitches is laterally fixed with edge sealing batten, and the lengthwise position of two flitch pieces is provided with an edge sealing batten at interval of 250-400mm.
6. according to the arbitrary described formwork reinforcement system wooden with steel generation of claim 1-3, it is characterized in that: described vertical keel adopts sizing jig spreading, sizing jig is made up of set bolt, U-shaped draw-in groove and support supporting plate, U-shaped draw-in groove biside plate central lower is provided with adjustable set bolt, and the solid welding of described support supporting plate forms U-shaped supporting plate in the outer upper of U-shaped draw-in groove side plate.
7., according to the arbitrary described formwork reinforcement system construction technology in external wall construction wooden with steel generation of claim 1-3, it is characterized in that, comprise the following steps:
(1) scaffold building: after surveying setting-out, sets up basement external scaffolding by construction requirement;
(2) exterior wall vertical steel keel make somebody a mere figurehead Construction of Supporting: the concrete structure body of wall both sides of having completed on arrange water-proof bolt hole place and fix vertical flitch respectively, the vertical flitch of both sides adopts split bolt drawknot to reinforce, vertical flitch upper level places a horizontal flitch, the length of horizontal flitch splicing is identical with body of wall length, vertical flitch and horizontal flitch composition steel joist supporting component;
(3) outer wall template piece construction: after spacer bars colligation completes, assembled outer wall wooden template, outer wall wooden template is by some wood glue plates spelling between two, two vertical edges of adjacent two pieces of wood glue plate seam crossings fix a flitch respectively, the splicing height of flitch is consistent with exterior wall height, and the piece position consistency of the piece of two flitches and two blocks of wood glue plates, the edge joint position of two flitches is laterally fixed with edge sealing batten, and edge sealing batten is spaced apart in the lengthwise position of two flitch pieces; Assembled good outer wall wooden template is placed on the horizontal flitch of steel joist supporting component, finally penetrates split bolt bar and wood glue plate is tentatively reinforced;
(4) steel joist installation: carry out steel joist erection on steel joist supporting component, vertical keel is vertically placed on horizontal flitch, with steel nail, vertical keel and outer wall wooden template being fixed, according to this constructure scheme, installing arranging vertical keel under body of wall both sides successively; Lateral keel is installed, the verticality of adjustment vertical keel, last fastening split bolt matched moulds;
(5) exterior wall strengthening construction: adopt steel pipe to carry out side direction reinforcing after carrying out rectify perpendicular to overall exterior wall side form, one end skewed horizontal load of steel pipe support bar is in the template at exterior wall mid-height place, one end is connected on pre-buried earth anchor reinforcing bar in addition, body of wall short transverse is provided with a steel pipe support bar, along every 3 meters of body of wall length direction, a steel pipe support bar is set, after having installed, carry out installing quality examination.
8. according to claim 7 with the construction technology of formwork reinforcement system in external wall construction of steel generation wood, it is characterized in that: the spreading construction technology of the vertical keel in described step (4) in superelevation exterior wall is: use sizing jig to carry out spreading to vertical keel, first determine to determine according to the height of body of wall and the square steel pipe length of needs the height that sizing jig is fixing, after installing first square steel pipe, sizing jig is installed, jig of wherein shaping comprises set bolt, U-shaped draw-in groove, support supporting plate, by regulating the bolt of U-shaped draw-in groove both sides by fixing for the first square steel pipe occlusion be positioned in the middle of U-shaped draw-in groove, then waiting second square steel pipe is placed on and supports on supporting plate, when sizing jig is installed, U-shaped draw-in groove opening direction is close to outer wall template, described in the second same step of square steel pipe roof reinforcement method (4), installed by second row square steel pipe successively, as needed the 3rd row's spreading, method is same as above.
9. according to claim 7 with the construction technology of formwork reinforcement system in external wall construction of steel generation wood, it is characterized in that: edge sealing batten described in described step (3) is spaced apart 250-400mm in the lengthwise position of two flitch pieces.
10. according to claim 7 with the construction technology of formwork reinforcement system in external wall construction of steel generation wood, it is characterized in that: in described step (4), vertical keel adopts square steel pipe, lateral keel adopts round steel pipe or square steel pipe.
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| CN108678028A (en) * | 2018-05-28 | 2018-10-19 | 中国十七冶集团有限公司 | A kind of vertical piece structure of underground pipe gallery template and construction method |
| CN108868133A (en) * | 2018-08-22 | 2018-11-23 | 中国二十二冶集团有限公司 | The bottom support fixed structure and method of wall form |
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| CN111255228A (en) * | 2020-03-05 | 2020-06-09 | 北京天润建设有限公司 | Shaped wall form device and construction method |
| CN111350349B (en) * | 2020-03-10 | 2021-06-25 | 中国二十二冶集团有限公司 | Platform beam main reinforcement reinforcing construction method |
| CN111350349A (en) * | 2020-03-10 | 2020-06-30 | 中国二十二冶集团有限公司 | Platform beam main reinforcement reinforcing construction method |
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Application publication date: 20151209 |