CN105544887A - Upturned roof-ridge cornice of Tang style simulation building and construction method thereof - Google Patents
Upturned roof-ridge cornice of Tang style simulation building and construction method thereof Download PDFInfo
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- CN105544887A CN105544887A CN201510912666.9A CN201510912666A CN105544887A CN 105544887 A CN105544887 A CN 105544887A CN 201510912666 A CN201510912666 A CN 201510912666A CN 105544887 A CN105544887 A CN 105544887A
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- 238000010276 construction Methods 0.000 title claims abstract description 67
- 238000004088 simulation Methods 0.000 title claims abstract description 25
- 239000004567 concrete Substances 0.000 claims abstract description 30
- 238000013461 design Methods 0.000 claims abstract description 21
- 238000009415 formwork Methods 0.000 claims abstract description 10
- 239000011324 bead Substances 0.000 claims description 24
- 230000005855 radiation Effects 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000009408 flooring Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 4
- 229920006389 polyphenyl polymer Polymers 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000011120 plywood Substances 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
- E04D13/158—Trimming strips; Edge strips; Fascias; Expansion joints for roofs covering the overhang at the eave side, e.g. soffits, or the verge of saddle roofs
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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
- 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
- E04G13/066—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 overhangs
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Provided are an upturned roof-ridge cornice of a Tang style simulation building and a construction method thereof. The structure comprises an upturned roof-ridge beam, cornice plates, and upturned roof-ridge rafters. The concrete of the cornice plate and the concrete of the upturned roof-ridge rafters are formed by pouring molding in one time. In the upturned roof-ridge beam, two sides of the upturned roof-ridge beam are provided with the cornice plates which are symmetric. On the lower surface of the cornice plate, the upturned roof-ridge rafters which extend out of the outer edge of the cornice plate are arranged one by one between the upturned roof-ridge beam and a right rafter in a radial manner. The construction method comprises performing cornice detailed design, arranging each control point and control line of construction, and drawing a layout general drawing; performing upturned roof-ridge cornice construction, pouring concrete, and removing formwork, etc. The construction process is simple and fast, and reduces quality requirement of workers, saves labor costs, greatly improves labor productivity, satisfies requirement that time for a project is limited, realizes construction period target, and creates economical benefits.
Description
Technical field
The present invention relates to a kind of tang style simulation building steel concrete cornice and construction method thereof.
Background technology
Along with socioeconomic development, building in the style of the ancients also becomes a trend of urban construction and tourist industry development, build the building in the style of the ancients meeting the modern reinforced concrete structure of ancient building characteristic sum and combine, improving and development building in the style of the ancients construction technology, is current urgent problem.Due to be engaged in personnel that professional ancient building builds and technical support relatively less, in addition with the combination of modern shaped steel reinforced concrete structure, considerably increase the difficulty in construction.
Tang style simulation building cornice are the important component parts embodying Tang's formula ancient building moulding, are the characteristic parts of China's ancient building.In existing steel concrete cornice construction, the making of cornice plate and rafter generally adopts first builds cornice plate, then installs the construction technology of rafter, and rafter is generally timber compoment or concrete prefabricated element.Before cornice plate is built bottom cornice plate according to the pre-buried iron plate of rafter span or bolt, after form removable, timber compoment rafter or concrete prefabricated element rafter are connected with cornice plate.
This kind of way is used in wing angle cornice molding effect and bad, first the wing angle cornice at big angle, house four will have plane and vertical Double curve degree, warping of wing angle cornice will reach consistent with bending etc., needs to carry out careful absolute altitude and the control of installation site before installing template; Secondly, should warp according to ancient architecture theory wing angle cornice, go out, wing angle rafter distribution in radiation at this place, the space therefore between the sub-root of wing angle rafter is relatively little.If directly all adopt polyphenyl plate to separate when installing template, then its positioning when cannot prevent concreting.If all adopt overlay film wood plywood, certainly will concrete structure be destroyed during form removal, affect apparent size.Therefore existing construction technology all cannot meet the construction demand of tang style simulation building wing angle cornice.
Summary of the invention
The object of this invention is to provide a kind of tang style simulation building wing angle cornice and construction method thereof, when solve steel concrete wing angle cornice cast-in-place construction, construction quality cannot ensure, efficiency of construction is low, the construction period is long and affect the problems such as outward appearance.
For achieving the above object, the present invention adopts following technical scheme:
A kind of wing angle cornice of tang style simulation building, comprise wing cantilevered corner beam, cornice plate and wing angle rafter, the concrete of described cornice plate and the concrete formed by integrally casting of wing angle rafter shaping, described wing cantilevered corner beam is placed in the middle, the both sides of wing cantilevered corner beam are erected with symmetrically arranged cornice plate, described cornice plate outer edge is the planar arc curve of the rafter head of the beam head of connecting wing cantilevered corner beam and the identity rafter of tang style simulation building, simultaneously cornice plate upwards outwards warps formation space curved surface, the soffit of described cornice plate, radially be furnished with the wing angle rafter choosing cornice plate outer edge by road between wing cantilevered corner beam to identity rafter, the convergence intersection point of the rafter tail extended line of all wing angle rafter is radiation starting point, the mutual equidistant setting of rafter head, the length of described wing angle rafter and the plate of cornice plate is wide adapts, the identical length that wing angle rafter chooses cornice plate outer edge is same.
A construction method for the wing angle cornice of tang style simulation building, construction sequence is as follows:
Step one, the Deepen Design of cornice: comprise the radian that warp height and the outboard wheel profile of cornice board space curved surface is determined in design; The sectional dimension of wing angle rafter is determined in design; The radiation starting point of the radial arrangement of wing angle rafter, the spacing of arrange radical and wing angle rafter are determined in design;
Step 2, construct each control point and control line of projecting in the plane according to the Deepen Design pull-out cornice in step one: comprise warping of cornice plate benging go out starting point, warp go out terminal, additional control point, the radiation starting point of wing angle rafter and the radial arrangement line of wing angle rafter that control line that wing angle rafter chooses cornice plate outer edge, cornice plate warp height, draw cornice and to construct plane control figure;
Step 3, according to control point in step 2 and control line, and by designing the height that warps of the cornice board space curved surface determined in step one, calculates the absolute altitude of each control point and control line, draws cornice construction facade control chart;
Step 4, the construction of wing angle cornice is carried out at scene: the step comprised has, construction bracing wire Controling network is laid at the scene according to the plane control figure in step 2 and the facade control chart in step 3, install the template of wing cantilevered corner beam, cornice concrete and wing angle rafter successively, colligation wing cantilevered corner beam, cornice slab muscle and the sub-reinforcing bar of wing angle rafter, final acceptance is qualified.
Step 5, builds the concrete of wing cantilevered corner beam, cornice plate and wing angle rafter and maintenance.
Step 6, the concrete template of overall pulling down wing angle cornice.
Cornice construction facade control chart in described step 3 is divided into outer eaves control chart and pitched roof control chart according to construction location.
The particular content laying construction bracing wire Controling network in described step 4 at the scene comprises the following steps:
Construction bracing wire Controling network is surveyed and is set on typical floor flooring by steps A, use plumb aligner, according to the outer eaves control chart of typical floor, carries out the laying at control point according to the Controling network that cloth is good;
Step B, when determining the actual elevation at control point at the construction field (site), on typical floor frame column reinforcing bar and on formwork-support, survey arranges the structure+1.000m line of typical floor, the absolute altitude at outer eaves control point is determined according to this 1.000m line, when tentatively completing form work engineering, whether correct with total powerstation, its control point plane positioning of level gauge repetition measurement and absolute altitude, determine errorless after enter the construction of next step operation again;
Step C, set up a coordinate system voluntarily according to the Deepen Design in step one, figure principle is done with descriptive geometry, from the three-dimensional coordinate system of X, Y, Z axis direction, find out the relation of tang style simulation building Big Roof four wing angle cornice sizes, utilize chart coordinate and geometric algorithm of AutoCAD each Along ent of wing angle rafter to be changed into coordinate point value in three-dimensional coordinate system;
Step D, in identity cornice template, adopt total powerstation to locate each control point, set up the bed die of formwork-support and wing angle cornice with this;
Step e, spatial coordinate according to each Along ent of wing angle rafter, use total powerstation to carry out checking each coordinate point value, after errorless, each Along ent be wired to camber line with point, is used for controlling the bed die of wing angle cornice and the camber line of side form.
Specifically the comprising the following steps of the concrete formwork erection of cornice in described step 4:
Step a, install mould bases and keel, keel are laid the bed die of cornice plate;
Step b, according to cornice construction plane control figure on the bed die of cornice plate, the radial arrangement line drawing of wing angle rafter is gone out;
Step c, separately making wing angle rafter subtemplate, comprise the wing angle rafter subtemplate (12) of both sides and the parting bead (13) of the middle sandwiched of two plates, described parting bead is arranged according to radial row's routing space of wing angle rafter, wraps up adhesive tape 14 in the outside of template and parting bead;
The arrangement line of steps d, alignment step b and step c carries out the location of wing angle rafter subtemplate;
Step e, wing angle rafter subtemplate to be fixed on the soffit of the bed die of cornice plate.
Described parting bead is according to the space between wing angle rafter, and its shape is from radiating starting point until the direction of control line is a strip that little tail is large.
Compared with prior art the present invention has following characteristics and beneficial effect:
First the present invention has carried out Deepen Design to the wing angle cornice of tang style simulation building, ensures that building in the style of the ancients combines with concrete structure accurately; Secondly in order to ensure the plane that wing angle cornice should have and vertical Double curve degree, making warping and being bendingly consistent of corner cornice, multiple control point and control line have been laid to wing angle cornice, and the layout that simultaneously projects out always being schemed; Again at the scene construction time the method for surveying setting-out location selecting to adopt the principle of descriptive geometry, direct cable formwork and total powerstation to check and combine, reach the coordinating and unifying of designing requirement and moulding from Survey control.
The present invention have employed the wing angle rafter subtemplate made separately when the sub-formwork of wing angle rafter, shuttering supporting herein between rafter adopts the mode of clamping parting bead in the middle of two-layer template, and being fixed on bed die, this kind of way can prevent template positioning, also can prevent form removal from causing structural damage.Parting bead can be shaped processing, ensures precision and the degree of accuracy of material, improves cornice presentation quality.
Use the concrete wing angle cornice of the shaping tang style simulation building of the present invention, cornice board space curvature is unanimously symmetrical, and the sectional dimension of wing angle rafter is consistent, spacing unification, wing angle place symmetry arrangement, line face is clear and coherent, straight, concrete perception is good.Construction technology of the present invention is fast brief, reduces the competency profiling to workman, has saved labour cost, has substantially increased labor productivity, meets the demand of duration anxiety, achieves the target of duration, creates economic benefit.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the structural representation of wing angle of the present invention cornice.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the schematic diagram of each control point in step 2 of the present invention and control line.
Fig. 4 is the schematic side view of Fig. 3.
Fig. 5 is the schematic flow sheet of construction method of the present invention.
Fig. 6 is the plan structure schematic diagram of the sub-formwork of wing angle rafter.
Fig. 7 is the side-looking structural representation of the sub-formwork of wing angle rafter.
Reference numeral: 1-wing cantilevered corner beam, 2-cornice plate, 3-wing angle rafter, 4-identity rafter, 5-warp and go out starting point, 6-additional control point, 7-warp goes out terminal, 8-control line, 9-radiate starting point, the radial arrangement line of 10-, 11-line of demarcation, 12-wing angle rafter subtemplate, 13-parting bead, 14-adhesive tape, 15-mould bases, 16-keel, 17-bed die, 18-steel nail.
Detailed description of the invention
Embodiment is see shown in Fig. 1-2, a kind of wing angle cornice of tang style simulation building, comprise wing cantilevered corner beam 1, cornice plate 2 and wing angle rafter 3, it is characterized in that: the concrete of described cornice plate 2 and the concrete formed by integrally casting of wing angle rafter 3 shaping, described wing cantilevered corner beam 1 is placed in the middle, the both sides of wing cantilevered corner beam 1 are erected with symmetrically arranged cornice plate 2, described cornice plate 2 outer edge is the planar arc curve of the rafter head of the beam head of connecting wing cantilevered corner beam 1 and the identity rafter 4 of tang style simulation building, simultaneously cornice plate 2 upwards outwards warps formation space curved surface, the soffit of described cornice plate 2, radially be furnished with the wing angle rafter 3 choosing cornice plate outer edge by road between wing cantilevered corner beam 1 to identity rafter 4, the convergence intersection point of the rafter tail extended line of all wing angle rafter 3 is radiation starting point, the mutual equidistant setting of rafter head, the length of described wing angle rafter the 3 and plate of cornice plate 2 is wide adapts, the identical length that wing angle rafter 3 chooses cornice plate 2 outer edge is same.The line of demarcation 11 of identity rafter 4 and wing angle rafter 3 as shown in Figure 3.
Shown in Fig. 3-5, the construction method of the wing angle cornice of this tang style simulation building, construction sequence is as follows:
Step one, the Deepen Design of cornice: comprise the radian that warp height and the outboard wheel profile of cornice board space curved surface is determined in design; The sectional dimension of wing angle rafter is determined in design; The radiation starting point 9 of the radial arrangement of wing angle rafter, the spacing d of arrange radical and wing angle rafter are determined in design; Deepen Design figure adopts AutoCAD graphics software, according to certain scale.SketchUp sketch great master can be utilized to set up cornice wing angle model, make constructor more intuitively, more thoroughly understand the structure at wing angle place, be convenient to guide field construction, shown in Fig. 1-2.
Step 2, construct each control point and control line of projecting in the plane according to the Deepen Design pull-out cornice in step one: comprise warping of cornice plate benging go out starting point 5, warp go out terminal 7, control line 8 that wing angle rafter chooses cornice plate outer edge, cornice plate warp additional control point 6 highly, the radiation starting point 9 of wing angle rafter and the radial arrangement line 10 of wing angle rafter; Draw cornice construction plane control figure; Shown in Figure 3.
In this example, the side form of cornice plate being gone out starting point 5 with bed die according to warping in figure, being warped and going out warp additional control point 6 three-point shape of height of terminal 7 and cornice plate and become round and smooth curve.The radian of the outboard wheel profile of this round and smooth curve and cornice board space curved surface.
Step 3, according to control point in step 2 and control line, and by designing the height that warps of the cornice board space curved surface determined in step one, calculates the absolute altitude of each control point and control line, draws cornice construction facade control chart; Cornice construction facade control chart is divided into outer eaves control chart and pitched roof control chart according to construction location.Shown in Figure 4.
Step 4, the construction of wing angle cornice is carried out at scene: comprise lay the formwork erection of construction bracing wire Controling network, construction wing cantilevered corner beam, cornice concrete and wing angle rafter at the scene according to the plane control figure in step 2 and the facade control chart in step 3, the colligation of the sub-reinforcing bar of wing angle rafter, the colligation of cornice slab muscle, polyphenyl plate secondary fix and colligation top mat, final acceptance is qualified.
The particular content wherein laying construction control network at the scene comprises the following steps:
Construction bracing wire Controling network is surveyed and is set on typical floor flooring by steps A, use plumb aligner, according to the outer eaves control chart of typical floor, carries out the laying at control point according to the Controling network that cloth is good;
Step B, when determining the actual elevation at control point at the construction field (site), on typical floor frame column reinforcing bar and on formwork-support, survey arranges the structure+1.000m line of typical floor, the absolute altitude at outer eaves control point is determined according to this 1.000m line, when tentatively completing form work engineering, whether correct with total powerstation, its control point plane positioning of level gauge repetition measurement and absolute altitude, determine errorless after enter the construction of next step operation again;
Step C, set up a coordinate system voluntarily according to the Deepen Design in step one, figure principle is done with descriptive geometry, from the three-dimensional coordinate system of X, Y, Z axis direction, find out the relation of tang style simulation building Big Roof four wing angle cornice sizes, utilize chart coordinate and geometric algorithm of AutoCAD each Along ent of wing angle rafter to be changed into coordinate point value in three-dimensional coordinate system;
Step D, in identity cornice template, adopt total powerstation to locate each control point, set up the bed die of formwork-support and wing angle cornice with this;
Step e, spatial coordinate according to each Along ent of wing angle rafter, use total powerstation to carry out checking each coordinate point value, after errorless, each Along ent be wired to camber line with point, is used for controlling the bed die of wing angle cornice and the camber line of side form.
The concrete template of cornice comprises the bed die 17 that mould bases 15, keel 16 and keel 16 cover, the wing angle rafter subtemplate 12 that the both sides also comprising the parting bead 13 and per pass parting bead 13 adapted with wing angle cornice quantity are fixedly connected with respectively, described parting bead 13 is concordant with the upper surface of wing angle rafter subtemplate 12
Described parting bead 13 and wing angle rafter subtemplate 12 arrange, are all fixed on bed die 17 simultaneously between the radial arrangement line 10 of the adjacent twice wing angle rafter preset, the shape of described parting bead 13 is from radiation starting point 9 until the direction of the control line 8 variable cross-section strip large in a little tail, and interspacing in advance between described wing angle rafter subtemplate 12 adapts with the size of wing angle rafter 3 to be built.
Outside described parting bead 13 and wing angle rafter subtemplate 12, looping has adhesive tape 14.
Described wing angle rafter subtemplate 12 is fixed on bed die 17 by steel nail 18.
Described parting bead 13 is bonding by expanded polyethylene foam special glue with bed die 17.
Described parting bead 13 is made for polyphenyl plate.
What install specifically comprises the following steps:
Step a, install mould bases 15 and keel 16, keel 16 are laid the bed die 17 of cornice plate.
Step b, according to cornice construction plane control figure on the bed die of cornice plate, the radial arrangement line drawing of wing angle rafter is gone out.
Step c, separately making wing angle rafter subtemplate, comprise the wing angle rafter subtemplate 13 of both sides and the parting bead 14 of the middle sandwiched size of two plates, described parting bead is arranged according to radial row's routing space of wing angle rafter, described parting bead is according to the space between wing angle rafter, its shape until the direction of control line is a strip that little tail is large, wraps up adhesive tape 14 in the outside of template and parting bead from radiation starting point.Shown in Fig. 6-7.
The arrangement line of steps d, alignment step b and step c carries out the location of wing angle rafter subtemplate.
Step e, wing angle rafter subtemplate to be fixed on the bed die soffit of cornice plate by steel nail 18.
Step 5, build the concrete of cornice plate and wing angle rafter and maintenance, concrete answers pumping limit, limit to vibrate, and the position of make can to distinguish one from the other in concrete vibrations process parting bead and rafter, avoids vibrating head directly to drop on parting bead, cause the destruction to parting bead.
Step 6, the concrete form removable of wing angle cornice.
Template in the present embodiment all can use overlay film wood plywood, and parting bead can adopt polyphenyl lath.Bonding agent adopts expanded polyethylene foam special glue.By clean for the cleaning of the bed die overlay film wood plywood at place to be pasted, polyphenyl plate its excess-three face except sticking veneer all adopts wide tape-stripping to protect, and paste and answer Shunping County, expanded polyethylene foam special glue bonding requirements is described as follows:
A, respectively in overlay film wood plywood, the even full coat special glue in polyphenyl plate bonding site.
Natural air drying about 1 minute after B, gluing.
C, polyphenyl plate aligned position is applied pressure 1 minute, be pasted on overlay film wood plywood.
D, polyphenyl plate are pasted after complete 1 hour, reach until adhesive strength next process of being allowed for access after requirement.
In reinforcing bar binding, technique is Normal practice, it is worth mentioning that the protection should noting p-poly-phenyl plate in process of binding.Must not pull reinforcing bar in polyphenyl plate, reinforcing bar should be deposited on cornice inner structure floor.If damaged it in work progress, should carry out repairing or rejecting again pasting.
Claims (6)
1. the wing angle cornice of a tang style simulation building, comprise wing cantilevered corner beam (1), cornice plate (2) and wing angle rafter (3), it is characterized in that: the concrete of described cornice plate (2) and the concrete formed by integrally casting of wing angle rafter (3) shaping, described wing cantilevered corner beam (1) is placed in the middle, the both sides of wing cantilevered corner beam (1) are erected with symmetrically arranged cornice plate (2), described cornice plate (2) outer edge is the planar arc curve of the rafter head of the beam head of connecting wing cantilevered corner beam (1) and the identity rafter (4) of tang style simulation building, simultaneously cornice plate (2) upwards outwards warp formation space curved surface, the soffit of described cornice plate (2), radially be furnished with the wing angle rafter (3) choosing cornice plate outer edge by road between wing cantilevered corner beam (1) to identity rafter (4), the convergence intersection point of the rafter tail extended line of all wing angle rafter (3) is radiation starting point, the mutual equidistant setting of rafter head, the length of described wing angle rafter (3) and the plate of cornice plate (2) is wide adapts, the identical length that wing angle rafter (3) chooses cornice plate (2) outer edge is same.
2. a construction method for the wing angle cornice of tang style simulation building according to claim 1, it is characterized in that, construction sequence is as follows:
Step one, the Deepen Design of cornice: comprise the radian that warp height and the outboard wheel profile of cornice board space curved surface is determined in design; The sectional dimension of wing angle rafter is determined in design; The radiation starting point of the radial arrangement of wing angle rafter, the spacing of arrange radical and wing angle rafter are determined in design;
Step 2, construct each control point and control line of projecting in the plane according to the Deepen Design pull-out cornice in step one: comprise warping of cornice plate benging go out starting point (5), warp go out terminal (7), additional control point (6) that control line (8) that wing angle rafter chooses cornice plate outer edge, cornice plate warp height, the radiation starting point (9) of wing angle rafter and the radial arrangement line (10) of wing angle rafter, draw cornice and to construct plane control figure;
Step 3, according to control point in step 2 and control line, and by designing the height that warps of the cornice board space curved surface determined in step one, calculates the absolute altitude of each control point and control line, draws cornice construction facade control chart;
Step 4, the construction of wing angle cornice is carried out at scene: the step comprised has, construction bracing wire Controling network is laid at the scene according to the plane control figure in step 2 and the facade control chart in step 3, install the template of wing cantilevered corner beam, cornice concrete and wing angle rafter successively, colligation wing cantilevered corner beam, cornice slab muscle and the sub-reinforcing bar of wing angle rafter, final acceptance is qualified;
Step 5, builds the concrete of wing cantilevered corner beam, cornice plate and wing angle rafter and maintenance;
Step 6, the concrete template of overall pulling down wing angle cornice.
3. the construction method of the wing angle cornice of tang style simulation building according to claim 2, is characterized in that: the cornice construction facade control chart in described step 3 is divided into outer eaves control chart and pitched roof control chart according to construction location.
4. the construction method of the wing angle cornice of tang style simulation building according to claim 3, is characterized in that: the particular content laying construction bracing wire Controling network in described step 4 at the scene comprises the following steps:
Construction bracing wire Controling network is surveyed and is set on typical floor flooring by steps A, use plumb aligner, according to the outer eaves control chart of typical floor, carries out the laying at control point according to the Controling network that cloth is good;
Step B, when determining the actual elevation at control point at the construction field (site), on typical floor frame column reinforcing bar and on formwork-support, survey arranges the structure+1.000m line of typical floor, the absolute altitude at outer eaves control point is determined according to this 1.000m line, when tentatively completing form work engineering, whether correct with total powerstation, its control point plane positioning of level gauge repetition measurement and absolute altitude, determine errorless after enter the construction of next step operation again;
Step C, set up a coordinate system voluntarily according to the Deepen Design in step one, figure principle is done with descriptive geometry, from the three-dimensional coordinate system of X, Y, Z axis direction, find out the relation of tang style simulation building Big Roof four wing angle cornice sizes, utilize chart coordinate and geometric algorithm of AutoCAD each Along ent of wing angle rafter to be changed into coordinate point value in three-dimensional coordinate system;
Step D, in identity cornice template, adopt total powerstation to locate each control point, set up the bed die of formwork-support and wing angle cornice with this;
Step e, spatial coordinate according to each Along ent of wing angle rafter, use total powerstation to carry out checking each coordinate point value, after errorless, each Along ent be wired to camber line with point, is used for controlling the bed die of wing angle cornice and the camber line of side form.
5. the construction method of the wing angle cornice of the tang style simulation building according to claim 2 or 4, is characterized in that, specifically the comprising the following steps of the concrete formwork erection of cornice in described step 4:
Step a, install mould bases (15) and keel (16), at the upper bed die (17) laying cornice plate of keel (16);
Step b, according to cornice construction plane control figure on the bed die of cornice plate, the radial arrangement line drawing of wing angle rafter is gone out;
Step c, separately making wing angle rafter subtemplate, comprise the wing angle rafter subtemplate (12) of both sides and the parting bead (13) of the middle sandwiched of two plates, described parting bead is arranged according to radial row's routing space of wing angle rafter, wraps up adhesive tape 14 in the outside of template and parting bead;
The arrangement line of steps d, alignment step b and step c carries out the location of wing angle rafter subtemplate;
Step e, wing angle rafter subtemplate to be fixed on the soffit of the bed die of cornice plate.
6. the construction method of the wing angle cornice of tang style simulation building according to claim 5, is characterized in that: described parting bead is according to the space between wing angle rafter, and its shape is from radiating starting point until the direction of control line is a strip that little tail is large.
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| CN107808034A (en) * | 2017-10-09 | 2018-03-16 | 中国十七冶集团有限公司 | A kind of reinforcing bar fast modeling method based on sketchup dynamic assemblies |
| CN109098364A (en) * | 2018-08-29 | 2018-12-28 | 中建二局第三建筑工程有限公司 | Regular concrete floating plate and aluminum plate combined cornice structure and construction method thereof |
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| CN110629939A (en) * | 2019-09-04 | 2019-12-31 | 杭州丹尼建材有限公司 | Steel structure integrated prop angle structure and manufacturing method thereof |
| CN111608332A (en) * | 2020-04-10 | 2020-09-01 | 河南七建工程集团有限公司 | Construction method of cast-in-place concrete roof wing-shaped angle cornice |
| CN113323131A (en) * | 2021-06-01 | 2021-08-31 | 重庆建工住宅建设有限公司 | Assembly type construction method for archaized building |
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