CN104895326A - Construction method of pitched roof and erection structure of form board - Google Patents

Construction method of pitched roof and erection structure of form board Download PDF

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Publication number
CN104895326A
CN104895326A CN201510300931.8A CN201510300931A CN104895326A CN 104895326 A CN104895326 A CN 104895326A CN 201510300931 A CN201510300931 A CN 201510300931A CN 104895326 A CN104895326 A CN 104895326A
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CN
China
Prior art keywords
pitched roof
floor
steel girder
cantilever steel
support
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Pending
Application number
CN201510300931.8A
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Chinese (zh)
Inventor
韦年达
梁东景
曾宪伟
谢金城
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Construction Eighth Engineering Division Co Ltd filed Critical China Construction Eighth Engineering Division Co Ltd
Priority to CN201510300931.8A priority Critical patent/CN104895326A/en
Publication of CN104895326A publication Critical patent/CN104895326A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a construction method of a pitched roof and an erection structure of a form board. The erection structure of the form board comprises an overhanging steel beam, an unloading steel wire rope, a protective scaffold, a form board support and a pitched roof form board, wherein the overhanging steel beam is arranged at the periphery edge of a floor slab of a lower second layer of the pitched roof, convexly extends out of the floor slab of the lower second layer of the pitched roof and is fixedly connected with the floor slab of the lower second layer of the pitched roof; the unloading steel wire rope is pulled between an edge of a floor slab of a lower first layer of the pitched roof and the outer periphery of the overhanging steel beam; the protective scaffold is erected on the overhanging steel beam and is arranged on the outer periphery of the overhanging steel beam; the form board support is erected on the overhanging steel beam and the floor slab of the lower first layer of the pitched roof; and the pitched roof form board is arranged on the form board support. The convex overhanging steel beam is arranged at the position of the floor slab of the lower second layer, the protective scaffold and the form board support can be erected on the overhanging steel beam, the time and the labor are saved during construction of the pitched roof, safety of construction is ensured, and construction difficulty of the form board of the overhanging pitched roof is reduced well.

Description

The construction method of pitched roof and template thereof install structure
Technical field
The present invention relates to the realm of building construction, that refers in particular to a kind of construction method of pitched roof and template thereof installs structure.
Background technology
Along with rise classical in modern building design, the be everlasting top of building of highrise building arranges pitched roof, and pitched roof mostly is rectangle or composite rectangular, thus be everlasting many positions comparatively lower floor's outer wall outwards encorbelment.Due to its high-altitude, position place, and span of encorbelmenting is general comparatively large, therefore causes its form work engineering constructional difficulties.As console mode form bracing system consumptive material consuming time, and due to bearing height excessive, cause safety factor lower.And for example general cantilever steel girder support system, adopts and arranges at the floor periphery of lower floor the template that inclined support bar supports pitched roof, because the span of encorbelmenting of pitched roof is comparatively large, has occurred the contradiction of material-saving environmental and safety requirements.
Summary of the invention
The object of the invention is to the defect overcoming prior art, what provide a kind of construction method of pitched roof and template thereof installs structure, solves the problem that the consumptive material existed in existing pitched roof construction method is consuming time and safety factor is low.
The technical scheme realizing above-mentioned purpose is:
The construction method of a kind of pitched roof of the present invention, comprising:
The cantilever steel girder of protrusion is set in the periphery of the floor of lower two layers of pitched roof, cantilever steel girder is fixed on the floor of lower two layers of described pitched roof;
Under the periphery and pitched roof of described cantilever steel girder the floor of one deck edge between drawknot off-load wire rope;
Protective scaffold is set up in the periphery of described cantilever steel girder;
Under described cantilever steel girder and described pitched roof one deck floor on set up formwork-support;
On described formwork-support, arrange pitched roof template, concreting is to form sloping roof structure.
Adopt the cantilever steel girder that protrusion is set at lower two floor plate places, for installing protective scaffold and formwork-support, making the construction of pitched roof have time and labour saving, and guaranteeing construction safety, well solve the difficulty of construction of pitched roof template of encorbelmenting.
The further improvement of the construction method of pitched roof of the present invention is, sets up formwork-support and comprises:
Formwork-support is propped up be located at one deck under cantilever steel girder and pitched roof floor on, inclined support surface is from high to low formed from the floor of one deck described pitched roof to described cantilever steel girder on the top of described formwork-support;
Described formwork-support and contiguous structural column are connected and fixed.
The further improvement of the construction method of pitched roof of the present invention is, on described cantilever steel girder, lay shut.
The further improvement of the construction method of pitched roof of the present invention is, when setting up protective scaffold, by outer row's structure of described protective scaffold higher than interior row's structure, exceeds the part of interior row's structure to form guard rail in outer row's structure of described protective scaffold.
The further improvement of the construction method of pitched roof of the present invention is, when constructing under pitched roof the floor of one deck under the floor of two layers and pitched roof, pre-buried snap ring in the floor of lower two layers of described pitched roof, for being fixedly connected with described cantilever steel girder; The floor edge embedded fixing component of one deck under described pitched roof, for being fixedly connected with described off-load wire rope.
A kind of pitched roof template of the present invention install structure, comprising:
Be located at the cantilever steel girder of the floor periphery of lower two layers of pitched roof, described cantilever steel girder protrudes out the floor of lower two layers of described pitched roof and is fixedly connected with two floor plates under described pitched roof;
Off-load wire rope between the floor edge of drawknot one deck under pitched roof and the periphery of described cantilever steel girder;
Be erected on the protective scaffold on described cantilever steel girder, described protective scaffold is located at the periphery of described cantilever steel girder;
Be erected on the formwork-support on the floor of one deck under described cantilever steel girder and described pitched roof; And
Be located at the pitched roof template on described formwork-support.
The further improvement installing structure of pitched roof template of the present invention is, inclined support surface is from high to low formed from the floor of one deck described pitched roof to described cantilever steel girder on the top of described formwork-support, is fixedly connected with between described formwork-support with contiguous structural column.
The further improvement installing structure of pitched roof template of the present invention is, described cantilever steel girder is equipped with shut.
The further improvement installing structure of pitched roof template of the present invention is, outer row's structure of described protective scaffold is higher than interior row's structure, and the raised area defines guard rail.
The further improvement installing structure of pitched roof template of the present invention is, the floor place of lower two layers of described pitched roof is embedded with, for the snap ring fixing described cantilever steel girder, under described pitched roof, the floor edge of one deck is embedded with, for the fixture fixing described off-load wire rope.
Accompanying drawing explanation
Fig. 1 is floor slab structure schematic diagram two-layer under pitched roof in the construction method of pitched roof of the present invention;
Fig. 2 has installed cantilever steel girder and off-load construction of wire rope schematic diagram in the construction method of pitched roof of the present invention;
Fig. 3 has installed the structural representation of protective scaffold in the construction method of pitched roof of the present invention;
Fig. 4 is the structural representation installing structure of pitched roof template of the present invention; And
Fig. 5 is the structural representation that the construction method of pitched roof of the present invention completes sloping roof structure construction.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
What the invention provides a kind of construction method of pitched roof and pitched roof template installs structure, the pitched roof that being applicable to constructs encorbelments, it is outstanding in substrustion structure that this pitched roof tilts, adopt the floor place of two layers under pitched roof that cantilever steel girder is set, for formwork-support provides support basis, to realize the support to pitched roof template, the periphery of cantilever steel girder is provided with protective scaffold, and in order to ensure the structural strength of cantilever steel girder, off-load wire rope is provided with between the floor protruding one deck under the part of floor and pitched roof at cantilever steel girder, said method is relative to the existing form bracing system that lands, save steel greatly, and the engineering time is also very fast, safety factor is also higher, relative to lower floor's floor bearing diagonal system, there is firmly support strength, there is good safety.Construction method of the present invention and install structure, has time and labour saving, can guarantee the safety of constructing.Be described below in conjunction with the structure that installs of accompanying drawing to the construction method of pitched roof of the present invention and pitched roof template.
Consult Fig. 4, show the structural representation installing structure of pitched roof template of the present invention.Below in conjunction with Fig. 4, the structure that installs of pitched roof template of the present invention is described.
As shown in Figure 4, the structure that installs of pitched roof template of the present invention comprises cantilever steel girder 21, off-load wire rope 22, protective scaffold 23, formwork-support 24 and pitched roof template, cantilever steel girder 21 is located on the floor 11 of lower two layers of pitched roof, periphery along floor 11 is arranged, cantilever steel girder 21 one end is fixed on floor 11, the other end protrudes out floor 11, and the part protruding out floor 11 is that installing of pitched roof template provides support basis.Construct floor 11 time in floor 11 pre-buried snap ring 111, utilize snap ring 111 to fix cantilever steel girder 21, cantilever steel girder 21 is worn snap ring 111 and and snap ring 111 between be welded and fixed.Between floor 12 edge of off-load wire rope 22 drawknot one deck under pitched roof and the periphery of cantilever steel girder 21, fixture 121 is embedded with at the edge of floor 12, fixture 121 is fixed in off-load wire rope 22 one end, the other end is fixed on the end that cantilever steel girder 21 protrudes out floor 11, utilizes off-load wire rope 22 to increase the fastness of cantilever steel girder 21.Protective scaffold 23 is erected on cantilever steel girder 21, is located at the periphery of cantilever steel girder 21, and protective scaffold 23 plays the effect of going along with sb. to guard him, and prevents high-altitude junk.Formwork-support 24 is located on the floor 12 of one deck under cantilever steel girder 21 and pitched roof, the steel pipe colligation that this formwork-support 24 and protective scaffold 23 are arranged by transverse and longitudinal is formed, pitched roof formwork erection on formwork-support 24, for the formation of sloping roof structure.The fixture 121 that under pitched roof, floor 12 edge of one deck is pre-buried provides fixed support for off-load wire rope 22, and fixture 121 can be vertical reinforcement, also can be snap ring.
When arranging cantilever steel girder 21, arrange according to the encorbelment length of building body of pitched roof, the length of cantilever steel girder 21 should enough arrange protective scaffold 23.Cantilever steel girder 21 is equipped with shut 211, this shut 211 1 aspect provides job platform for constructor, serves protective action on the other hand, prevents the potential safety hazard that placement in height produce are raw, improves the job safety in high-altitude.
As a better embodiment of the present invention, the supporting surface of inclination is formed on the top of formwork-support 24, adapt to the heeling condition of pitched roof, be positioned at the top of top higher than the formwork-support 24 be positioned on cantilever steel girder 21 of the formwork-support 24 on floor 12, inclined support surface is from high to low formed from floor 12 to cantilever steel girder 21 on the top of formwork-support 24.Be fixedly connected with between this formwork-support 24 with contiguous structural column 13, thick pillar structure is adopted to fix, utilize steel pipe to be connected and fixed between formwork-support 24 and structural column 13, strengthen the structural strength of formwork-support 24, guarantee that it plays enough support forces to sloping roof structure.
As a better embodiment of the present invention, outer row's structure 231 of protective scaffold 23 is higher than interior row's structure 232, and the part exceeded forms guard rail 233, and the height that interior row's structure 232 is arranged is lower, also facilitates cornice construction.
As shown in Figure 5, concreting in the pitched roof template installed, just defines sloping roof structure 20.After the intensity that sloping roof structure 20 reaches certain, i.e. dismountable pitched roof template, and protective scaffold 23, formwork-support 24 and cantilever steel girder 21 all can be removed.
Below the construction method of pitched roof of the present invention is described.
The construction method of pitched roof of the present invention is for the formation of the pitched roof of major structure of construction of encorbelmenting, and this construction method comprises:
As shown in Figure 1, under the floor 11 that pitched roof is lower two layers and pitched roof, the floor 12 of one deck is when constructing, pre-buried snap ring 111 in the floor 11 of two layers under pitched roof, and snap ring 111 is for connecting cantilever steel girder; The edge embedded fixing component 121 of the floor 12 of one deck under pitched roof, fixture 121 is for fixing off-load wire rope;
As shown in Figure 2, under pitched roof, the periphery of floor 11 of two layers arranges the cantilever steel girder 21 of protrusion, cantilever steel girder 21 is inserted in the snap ring 111 at floor 11 place of lower two layers of pitched roof, and being fixed on the floor 11 of lower two layers of pitched roof, the part that this cantilever steel girder 21 protrudes out floor 11 is that installing of pitched roof template provides brace foundation;
Under the periphery and pitched roof of cantilever steel girder 21 floor 11 edge of one deck fixture 111 between drawknot off-load wire rope 22, one end of off-load wire rope 22 is fixed on fixture 121, the other end is fixed on the end that cantilever steel girder 21 protrudes out floor 11, strengthen the structural strength of cantilever steel girder 21, guarantee the safety of constructing;
As shown in Figure 3, set up protective scaffold 23 in the periphery of cantilever steel girder 21, this protective scaffold 23 serves protective action, prevents high-altitude junk, guarantees construction operation safety;
As shown in Figure 4, under cantilever steel girder 21 and pitched roof one deck floor 12 on set up formwork-support 24, for supporting pitched roof template; Formwork-support 24 installs pitched roof template, is concreting in pitched roof template, as shown in Figure 5, just define sloping roof structure 20.
When setting up formwork-support 24, the supporting surface of inclination is formed on the top of formwork-support 24, for the incline structure of adaptive pitched roof, the top higher than the formwork-support 24 be positioned on cantilever steel girder 21 is arranged at the top of the formwork-support 24 be positioned on the floor 12 of one deck under pitched roof, and inclined support surface is from high to low formed from floor 12 to cantilever steel girder 21 on the top of formwork-support 24; After formwork-support 24 has installed, formwork-support 24 is lived 13 with contiguous structure and is connected and fixed, adopt steel pipe thick pillar structure formwork-support 24 and structural column 13 to be connected and fixed.
As shown in Figure 3, be equipped with shut 211 on cantilever steel girder 21, this shut 211 1 aspect provides job platform for constructor, serves protective action on the other hand, prevents the potential safety hazard that placement in height produce are raw, improves the job safety in high-altitude.
When setting up protective scaffold 23, by outer row's structure 231 of protective scaffold 23 higher than interior row's structure 232, the part exceeded defines guard rail 233, plays the effect of protection.The side of arranging structure 231 outside completely hangs safety guard net.Interior row's structure 232 is lower, facilitates cornice to construct.
The construction method of pitched roof of the present invention and the beneficial effect installing structure of pitched roof template are:
Adopt the cantilever steel girder that protrusion is set at lower two floor plate places, for installing protective scaffold and formwork-support, making the construction of pitched roof have time and labour saving, and guaranteeing construction safety, well solve the difficulty of construction of pitched roof template of encorbelmenting.
Below embodiment is to invention has been detailed description by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thus, some details in embodiment should not form limitation of the invention, the present invention by the scope that defines using appended claims as protection scope of the present invention.

Claims (10)

1. a construction method for pitched roof, is characterized in that, comprising:
The cantilever steel girder of protrusion is set in the periphery of the floor of lower two layers of pitched roof, cantilever steel girder is fixed on the floor of lower two layers of described pitched roof;
Under the periphery and pitched roof of described cantilever steel girder the floor of one deck edge between drawknot off-load wire rope;
Protective scaffold is set up in the periphery of described cantilever steel girder;
Under described cantilever steel girder and described pitched roof one deck floor on set up formwork-support; And
On described formwork-support, arrange pitched roof template, concreting is to form pitched roof.
2. the construction method of pitched roof as claimed in claim 1, is characterized in that, set up formwork-support and comprise:
Formwork-support is propped up be located at one deck under cantilever steel girder and pitched roof floor on, inclined support surface is from high to low formed from the floor of one deck described pitched roof to described cantilever steel girder on the top of described formwork-support;
Described formwork-support and contiguous structural column are connected and fixed.
3. the construction method of pitched roof as claimed in claim 1, is characterized in that, on described cantilever steel girder, lay shut.
4. the construction method of pitched roof as claimed in claim 1, it is characterized in that, when setting up protective scaffold, by outer row's structure of described protective scaffold higher than interior row's structure, the part exceeding interior row's structure in outer row's structure of described protective scaffold forms guard rail.
5. the construction method of pitched roof as claimed in claim 1, it is characterized in that, when constructing under pitched roof the floor of one deck under the floor of two layers and pitched roof, pre-buried snap ring in the floor of lower two layers of described pitched roof, is fixedly connected with described cantilever steel girder when arranging the cantilever steel girder of protrusion for the periphery of floor of two layers under pitched roof; The floor edge embedded fixing component of one deck under described pitched roof, for being fixedly connected with described off-load wire rope.
6. pitched roof template install a structure, it is characterized in that, comprising:
Be located at the cantilever steel girder of the floor periphery of lower two layers of pitched roof, described cantilever steel girder protrudes out the floor of lower two layers of described pitched roof and is fixedly connected with two floor plates under described pitched roof;
Off-load wire rope between the floor edge of drawknot one deck under pitched roof and the periphery of described cantilever steel girder;
Be erected on the protective scaffold of described cantilever steel girder periphery;
Be erected on the formwork-support on the floor of one deck under described cantilever steel girder and described pitched roof; And
Be located at the pitched roof template on described formwork-support.
7. pitched roof template as claimed in claim 6 install structure, it is characterized in that, inclined support surface is from high to low formed from the floor of one deck described pitched roof to described cantilever steel girder on the top of described formwork-support, is fixedly connected with between described formwork-support with contiguous structural column.
8. pitched roof template as claimed in claim 6 install structure, it is characterized in that, described cantilever steel girder is equipped with shut.
9. pitched roof template as claimed in claim 6 install structure, it is characterized in that, outer row's structure of described protective scaffold is higher than interior row's structure, and the raised area defines guard rail.
10. pitched roof template as claimed in claim 6 install structure, it is characterized in that, the floor place of lower two layers of described pitched roof is embedded with, for the snap ring fixing described cantilever steel girder, under described pitched roof, the floor edge of one deck is embedded with, for the fixture fixing described off-load wire rope.
CN201510300931.8A 2015-06-05 2015-06-05 Construction method of pitched roof and erection structure of form board Pending CN104895326A (en)

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Application Number Priority Date Filing Date Title
CN201510300931.8A CN104895326A (en) 2015-06-05 2015-06-05 Construction method of pitched roof and erection structure of form board

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CN104895326A true CN104895326A (en) 2015-09-09

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727075A (en) * 2020-12-29 2021-04-30 浙江恒鸿建设有限公司 Integrated pouring structure of inclined roof and flat roof and construction method
CN113235896A (en) * 2021-05-21 2021-08-10 中建七局安装工程有限公司 Construction method for overhanging formwork for cornice
CN114427295A (en) * 2021-12-31 2022-05-03 中国建筑第二工程局有限公司 Pre-buried ground anchor pulling connection and holding column combined ultrahigh and ultralimit formwork system and construction method thereof
CN114508232A (en) * 2022-02-28 2022-05-17 江苏宜安建设有限公司 Construction process for end cantilever beam of ship type roof frame

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727075A (en) * 2020-12-29 2021-04-30 浙江恒鸿建设有限公司 Integrated pouring structure of inclined roof and flat roof and construction method
CN113235896A (en) * 2021-05-21 2021-08-10 中建七局安装工程有限公司 Construction method for overhanging formwork for cornice
CN113235896B (en) * 2021-05-21 2022-11-11 中建七局安装工程有限公司 Construction method for overhanging formwork for cornice
CN114427295A (en) * 2021-12-31 2022-05-03 中国建筑第二工程局有限公司 Pre-buried ground anchor pulling connection and holding column combined ultrahigh and ultralimit formwork system and construction method thereof
CN114427295B (en) * 2021-12-31 2022-08-16 中国建筑第二工程局有限公司 Pre-buried ground anchor pulling connection and holding column combined ultrahigh and ultralimit formwork system and construction method thereof
CN114508232A (en) * 2022-02-28 2022-05-17 江苏宜安建设有限公司 Construction process for end cantilever beam of ship type roof frame

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Application publication date: 20150909