CN103615110A - Irregular oblique-crossing web-shaped grillage beam hyperbolic roof structure construction method - Google Patents

Irregular oblique-crossing web-shaped grillage beam hyperbolic roof structure construction method Download PDF

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CN103615110A
CN103615110A CN201310367409.2A CN201310367409A CN103615110A CN 103615110 A CN103615110 A CN 103615110A CN 201310367409 A CN201310367409 A CN 201310367409A CN 103615110 A CN103615110 A CN 103615110A
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squares
construction
grillage
roof
concrete
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CN201310367409.2A
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CN103615110B (en
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谢鸿卫
肖玉明
韦家卓
卢娜
邓鸿修
岑宏
林昭
李日红
孙富达
郑毅
谢江美
唐光暹
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广西建工集团第一建筑工程有限责任公司
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Abstract

An irregular oblique-crossing web-shaped grillage beam hyperbolic roof structure construction method comprises the steps of construction preparing, secondary conversion of design drawing, lofting grillage beam ground projection axis measuring, steel pipe buckling piece all-round scaffold supporting system erecting, grillage beam bottom wood ridge lower support horizontal rod elevation giving off, wood ridge binding and bottom plate paving on a supporting horizontal rod, given-off roof beam position measuring, bound grillage beam steel rib machining, grillage beam grillage side mould mounting and reinforcing, grillage beam top plate mounting and reinforcing, face plate steel rib binding and hyperbolic roof concrete pouring. Through a space three-dimensional technology, a reasonable supporting system and accurate location of a hyperbolic roof and a grillage beam, the concrete mixing proportion is optimized, the quality and the attractive degree of the hyperbolic roof can be improved, construction difficulty is lowered, and construction efficiency is improved.

Description

The netted nine-squares beam Hyperbolic Roof of random oblique construction method

Technical field

The present invention relates to the netted nine-squares beam Hyperbolic Roof of a kind of random oblique construction method, be applicable to the construction of the netted nine-squares beam double curved surface roofing of random oblique structure, be also applicable to as the construction of the reinforced concrete structure roofing of slope, arc moulding.

Background technology

Along with the raising of people's aesthetical standard, modern design, unique arcuate building structural element have been not limited to plane structure system, but meeting under the prerequisite of using function, by plane structure system, to space structure system, are developed.The particularly appearance of hyperboloid structure, for the wide prospect that provides is provided in the perfection of art of building.Hyperboloid Mechanical Builds is novel, attractive in appearance, be applicable to the roof structure that span is large.

Improving constantly along with people's living standard in recent years, people are also more and more higher to the requirement of building, not only only be satisfied with it and use function, requirement to whole building Space is also more and more higher, the auditorium of large space, exhibition room, conference room are more and more subject to building designers' favor, all the time, nine-squares beam structure, with its rational loading characteristic and unique structural configuration mode, obtains applying comparatively widely in industrial, civilian and some public buildings.

Nine-squares beam structure belongs to grillage, for reinforced concrete well word girder construction, due to beam slab monobloc cast, each arranges there is no dividing of primary and secondary to beam, therefore, arrange and compare with other general structure, have following distinguishing feature: (1) is respectively to beam collaborative work, shared and distribution floor load, have good space overall performance.(2) than general beam and slab structure, there is larger span-depth radio, for being subject to floor height restriction and the architectural building that needs again large span, there is applicability widely.(3) owing to having reduced height and the deadweight of structure, beam section is also less than the primary and secondary beam in general beam and slab structure, has significant economic benefit.Difficult point is: nine-squares beam working load is inhomogeneous, beam, plate model hard loading gap are large, support system unbalance stress, and also the structure position that can socket with support system is less, therefore the stability requirement of nine-squares beam form bracing system is high, needs to strengthen the rigidity of support system self in construction.

Summary of the invention

The object of the invention is for above-mentioned reinforced concrete well word beam structure construction difficult point, the netted nine-squares beam Hyperbolic Roof of a kind of random oblique construction method is provided, by 3 d space coordinate technology, rational support system and the accurate location to double curved surface roofing and nine-squares beam, optimize concrete mix, improve quality and the aesthetics of double curved surface roofing, and reduce difficulty of construction, improve efficiency of construction.

The present invention realizes the technical scheme that above-mentioned purpose takes: the netted nine-squares beam Hyperbolic Roof of a kind of random oblique construction method, comprises the following steps:

(1) preparation of construction: be ready to design drawing, equipment and instrument and constructional materials;

(2) secondary conversion of design drawing: utilize CASS Become the picture software to carry out secondary detailingi to roofing beam slab CAD electronic edition drawing, propose roofing beam slab and at the projection three-dimensional coordinate on ground;

(3) measure setting-out nine-squares beam ground projection axis: by AutoCAD and space measurement setting-out technique, projection three-dimensional graph paper according to the roofing beam slab of secondary detailingi on ground, on terrace bed course, measuring goes out nine-squares beam Axis Cross point ground projection coordinate point, according to nine-squares beam Axis Cross point ground projection coordinate's point, emits nine-squares beam axis;

(4) set up steel tube fastener full hall scaffold support system: the vertical rod of full hall scaffold is arranged on the crosspoint of nine-squares beam ground projection axis, and bottom of upright rod arranges base and backing plate; In vertical rod, apart from ground 180-220mm eminence, along horizontal direction in length and breadth, by the bar of sweeping the floor of the programming in vertical bottom rail, rod end is along vertical horizontally set top girt; Outside full hall scaffold, border arranges vertical bridging continuously from the bottom to top, and on bottom, the top of vertical bridging continuously and the bar of sweeping the floor, horizontal cross brace is being set, in length and breadth to two adjacent vertical word diagonal braces that arrange between bridgings continuously;

(5) emit the absolute altitude of stupefied wooden lower support cross bar at the bottom of nine-squares beam beam: according to hyperboloid nine-squares beam Beam Elevation figure, calculate the absolute altitude of support rail at the bottom of beam; With level gauge beam at the bottom of the absolute altitude measuring of support rail to vertical rod, the vertical rod that exceeds beam bottom mother plate part is blown with electric welding machine;

(6) on support rail the stupefied wood of colligation, lay base plate: on support rail at the bottom of beam, tie up stupefied wood, stupefied wood according to beam at the bottom of support rail with iron wire, tie up into the arch of distortion; Be paved with after stupefied wood from roofing both sides toward middle assembled base plate template;

(7) measure and emit roof girder position: according to the nine-squares beam position coordinates of designing requirement and the production of CAD 3D model, on nine-squares beam base plate template face, locate snap the line, determine plan-position and the bulk of nine-squares beam; In nine-squares beam base plate template, measuring goes out nine-squares beam axis, then draws beam sideline;

(8) processing colligation nine-squares beam reinforcing bar: the setting-out of hyperboloid nine-squares beam reinforcing bar computer, blanking processing, and press center line colligation nine-squares beam reinforcing bar at the bottom of nine-squares beam beam;

(9) nine-squares beam lattice side form is installed and is reinforced: utilize AutoCAD software to carry out side form setting-out, be then unified in processing space and be processed into nine-squares beam side form square frame; At nine-squares beam reinforcing bar, put into the nine-squares beam side form square frame processing and reinforce;

(10) install and reinforce nine-squares beam top board;

(11) slab reinforcement colligation: on plate face reinforcing bar and nine-squares beam, muscle is positioned at same layer and is pressed on nine-squares beam under muscle, and firm with nine-squares beam reinforcing bar binding; After slab reinforcement colligation, between each nine-squares beam top board and slab reinforcement, add cushion block;

(12) double curved surface roofing concrete is built: by isohypse, divide casting area segmentation continuous placing and carry out, nine-squares beam is hoisted and is carried out stratified continuous pouring vibration compacting by lower, last layer concrete is built before next layer concrete initial set, topmost one deck is built together with plate concrete, does not stay horizontal construction joint.

In described step (4), the line mid point in two adjacent nine-squares beam ground projection axis crosspoints also has additional a vertical rod.

In described step (4), the spacing of sweeping the floor between bar and top girt, is distributed equally and determines after step pitch, and each step pitch is in vertical horizontally set girt.

In described step (4), the spreading of vertical rod adopts clasp connected mode is carried out.

The beneficial effect that the present invention can obtain is as follows:

(1) adopt the intelligent three-dimensional coordinate that extracts nine-squares beam of CASS Become the picture software to compare with traditional artificial calculating, increase work efficiency, save the construction period more than 8%, thereby reduce construction cost.

(2) random nine-squares beam reinforcing bar and nine-squares beam grid template first adopt computer setting-out, reproduce a processing and fabricating, avoid field measurement actual quantities to make the operation loaded down with trivial details with this road is installed again, and accelerate efficiency of construction, save the construction period more than 4%, cost saving.

(3) situ wet workload is little, and airborne dust, noise, road are dropped, sewage pollution is little, and on-the-spot cleaning amount is little.

(4) in operating process, environment is not had any impact, computer setting-out, reduces the number of times of doing over again, and saves material, reduces building waste.

(5) by 3 d space coordinate technology, rational support system and the accurate location to double curved surface roofing and nine-squares beam, optimize concrete mix, thereby reached designing requirement, actual measurement shows, random nine-squares beam double curved surface roofing is without common quality defect, surface curve is smooth, and beautiful design has been realized design idea and met function and quality requirement.

Accompanying drawing explanation

Fig. 1 is the process chart of the netted nine-squares beam Hyperbolic Roof of random oblique of the present invention construction method.

Fig. 2 is ground axial grid of the present invention and intersection point elevation schematic diagram.

Fig. 3 is of the present invention according to the high curved surface schematic diagram of supported rod erecting top mark at the bottom of axis grid intersection point elevation generation nine-squares beam beam.

Fig. 4 is of the present invention according to nine-squares beam axis and the high curved surface of supported rod erecting top mark, extracts nine-squares beam crossing point of axes place curved surface elevation, i.e. the high schematic diagram of top mark of support shuttering vertical rod.

Fig. 5 is X, the Y coordinate diagram of nine-squares beam crossing point of axes of the present invention.

Fig. 6 is the Z coordinate diagram of nine-squares beam crossing point of axes of the present invention.

Fig. 7 is bridging arrangement diagram of the present invention.

Fig. 8 is nine-squares beam base plate of the present invention and side form supporting figure.

Fig. 9 is that roofing concrete of the present invention is built isohypse division figure.

The specific embodiment

Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.

As shown in Figure 1, the netted nine-squares beam Hyperbolic Roof of a kind of random oblique construction method, carries out according to following concrete steps:

One, preparation of construction

1,, according to design drawing and related specifications requirement, the special scheme that establishment is relevant tissue are expounded through peer review.

2, because the netted nine-squares beam double curved surface roofing of random oblique is measured, setting-out difficulty is large, accuracy is high, need to have the mapping company of certain qualification specialty to carry out space setting-out to roofing beam slab, therefore before construction, will select to determine credit worthiness, public praise surveys and draws company preferably.

3, the design of foundation mounts will meet the requirement of bearing capacity, plans ground compacting, after the terrace concrete bed course of first constructing, carries out the construction of curved surface roof structure again.

4, main plant instrument: 2 of bar croppers, 2 of angle-benders, 2 of bar straighteners, 1 of die head threading machine, 2~4 of 30KWA A.C. welders, 2 of Φ 500mm carpenter disk electric saws, 8 of Portable electric saws, 2, bangle cucurbit, 1 of planer surfacer, nail hammer, Churn drill (joining drill hammer and wood drill head), invar tape, spirit level, messenger wire hangs down, portable ladder, 1 of total powerstation, 1, transit, 1 of level gauge, 1, tower crane, 2 of flat concrete vibrators, 10 of insert concrete vibrators, concrete mixing station 1 cover, concrete transfer pump 2~4 covers.

5, material is prepared: 48 * 3.5 steel pipes (fastener is supporting), 50 * 100 * 4000mm lumps of wood, 1830 * 915 * 15mm veneer, φ 12 split bolts, Φ 14 reinforcing bar liners, interleaving agent, retarding agent, No. 14 galvanized wires, 5cm iron nail, sand, stone, cement, reinforcing bar.

Two, the secondary conversion of design drawing

By professional mapping company, utilize CASS Become the picture software to carry out secondary detailingi to roofing beam slab CAD electronic edition drawing, roofing beam slab is proposed and at the projection three-dimensional coordinate on ground, for next step space measurement setting-out is prepared.

1, as shown in Figure 2, ground axial grid and intersection point elevation are proposed.

2, as shown in Figure 3, according to the high curved surface of supported rod erecting top mark at the bottom of axis grid intersection point elevation generation nine-squares beam beam.

3, introduce nine-squares beam axis.

4, as shown in Figure 4, according to nine-squares beam axis and the high curved surface of supported rod erecting top mark, extract nine-squares beam crossing point of axes place curved surface elevation, i.e. the top mark of support shuttering vertical rod is high.

5, as shown in Figure 5 and Figure 6, CASS software generates the nine-squares beam axis three-dimensional coordinate of telling somebody what one's real intentions are automatically, and wherein Fig. 5 is nine-squares beam crossing point of axes X, Y coordinate diagram, and Fig. 6 is nine-squares beam crossing point of axes Z elevation map.

Three, measure setting-out nine-squares beam ground projection axis

By AutoCAD and space, put survey technology, according to secondary, in-depth relates to the roofing beam slab of design at the projection three-dimensional graph paper on ground, on terrace bed course, measuring goes out nine-squares beam Axis Cross point ground projection coordinate point, according to nine-squares beam Axis Cross point ground projection coordinate's point, emits nine-squares beam axis.

Four, set up steel tube fastener full hall scaffold support system

1, the absolute altitude due to double curved surface roofing is mainly to control by vertical rod, and for the ease of the control of double curved surface roofing absolute altitude, the vertical rod of full hall frame is arranged on the crosspoint of nine-squares beam ground projection axis; The distance L (1000mm<L<1500mm) of the irregular nine-squares beam of roofing ground projection axis; In order to meet support system and force request, between irregular nine-squares beam ground projection axis, add a vertical rod and be spacing between vertical rod and vertical rod for being greater than 500mm, be less than 750mm; Support system horizon bar step pitch is 900mm.

2, every steel tube poles bottom should arrange base and backing plate, and backing plate width cloth is less than 200*200, and plate thickness must not be less than 50mm.In vertical rod, apart from ground 200mm eminence, the bar of sweeping the floor should be established by the program in vertical bottom rail in edge in length and breadth horizontal direction.Rod end should be along one girt of vertical horizontally set.The spacing of sweeping the floor between bar and top girt, is meeting under the determined girt step pitch of stencil design requirement condition, be distributed equally and determine after step pitch, at each step pitch place in length and breadth to should respectively establishing one girt.In the middle of step pitch two girts of top, should add girt one.

3, as shown in Figure 7, bridging should be established vertical setting continuously from the bottom to top in border, outside; Centre is in length and breadth to establishing the bridging of vertical continous way from the bottom to top every 10m left and right, and its width is preferably 4~6m, and at the top at bridging position, the bar place of sweeping the floor, horizontal cross brace is set; Also should, in length and breadth to the word diagonal brace increasing between two adjacent vertical continous way bridgings, at the position that has horizontal cross brace, should increase horizontal cross brace one in each bridging middle.Vertical bridging was arranged to top continuously the end of by, and bridging rod member bottom and ground hold out against, and angle is 45 °.

4, vertical rod spreading is forbidden overlap joint, must adopt clasp is connected, and the banjo fixing butt jointing of adjacent two vertical rods must not be in synchronous, and banjo fixing butt jointing should not be less than 500mm along the distance vertically staggering, and each joint center to center distance host node should not be greater than 1/3 of step pitch.

5, forbid the steel tube poles of epimere and hypomere steel tube poles to stagger and be fixed on girt.

Five, emit the absolute altitude of stupefied wooden lower support cross bar at the bottom of nine-squares beam beam

According to hyperboloid nine-squares beam Beam Elevation figure, calculate the absolute altitude of support rail at the bottom of beam; With level gauge beam at the bottom of the absolute altitude measuring of support rail to steel tube poles, the vertical rod that exceeds beam bottom mother plate part is blown with electric welding machine.

Six, the stupefied wood of colligation, laying base plate on support rail

On support rail at the bottom of beam, tie up stupefied wood, stupefied wood according to beam at the bottom of support rail with iron wire, tie up into the arch of distortion, stupefied wood first steps up with step fastener, then uses iron wire tighten; Be paved with after stupefied wood from roofing both sides toward middle assembled base plate template.The supporting figure of nine-squares beam base plate as shown in Figure 8, on steel tube poles 6, tie up on support rail 5 by base plate stupefied wooden 7 by the absolute altitude of support rail 5, and base plate 4 is assembled on base plate stupefied wooden 7.

Seven, measure and emit roof girder position

According to the nine-squares beam position coordinates of designing requirement and the production of CAD 3D model, on nine-squares beam base plate template face, locate snap the line, determine plan-position and the bulk of nine-squares beam; In nine-squares beam base plate template, measuring goes out nine-squares beam axis, then draws beam sideline.

Eight, processing colligation nine-squares beam reinforcing bar

1, technological process: hyperboloid nine-squares beam reinforcing bar computer setting-out → blanking processing → on-the-spot colligation → hidden examination.

2, nine-squares beam is short in direction beam steel bar colligation.By the long Simple support frame of setting up a beam muscle of the every 5m in beam sideline, on bracing frame, put beam gluten, then wear cloth beam stirrup and be tied on beam first row gluten, then at the bottom of wearing cloth beam, muscle carries out colligation.Short in beam overall binding order: the highest one in the middle of first tying up, then it is short in beam toward both sides lower, to carry out successively colligation.Often tie up out one short across beam immediately the Yi Tiaoliang adjacent with eminence carry out " face drawknot ", with the reinforcing bar drag hook of 1 Φ 14 by the spacing of 4m by the gluten drawknot of two beams in case beam towards lower, topple over.

3, nine-squares beam long span direction beam steel bar colligation, long span direction roof beam structure in short across direction beam on.First by beam sideline, short, wear cloth long span beam gluten between across beam gluten, then wear cloth beam stirrup and be tied on beam first row gluten, then at the bottom of wearing cloth beam, muscle carries out colligation.

4, nine-squares beam waist muscle is worn cloth colligation from lower to upper.

5, nine-squares beam drag hook colligation.

Nine, nine-squares beam lattice side form is installed and is reinforced

Adopt CAD 3D modeling, generate nine-squares beam threedimensional model.According to model, calculate space coordinates and the nine-squares beam lattice side form size of nine-squares beam each point, and with regard to beam lattice side form numbering, be then unified in processing space and be processed into nine-squares beam side form square frame; The stupefied wooden spacing 200mm of nine-squares beam lattice side form, stupefied 2@400 of wooden a tree, used in making timber for boats master, split bolt spacing 400 * 450mm, ties up a Φ 14 reinforcing bar liners to guarantee beam width on every split bolt limit.At nine-squares beam reinforcing bar, put into the nine-squares beam side form square frame processing and reinforce; As shown in Figure 8, at the bottom of the beam of side form body of wall, times stupefied 8 are arranged on base plate 4 and fixing by wooden a tree, used in making timber for boats 2 and screw rod through walls 3 the supporting figure of side form, and top board veneer 1 is by 9 being fixed at the bottom of beam on times stupefied 8 at the bottom of plate.

Ten, install and reinforce nine-squares beam top board

11, slab reinforcement colligation

After nine-squares beam mounting of roof plate completes, can start colligation double curved surface roofing slab muscle.Now, nine-squares beam reinforcing bar colligation completes, only the remaining middle plate face reinforcing bar of nine-squares beam that imports into.Plate face reinforcing bar should be positioned at same layer with muscle on nine-squares beam, and firm with nine-squares beam reinforcing bar binding.For guaranteeing the effective force of power, plate face reinforcing bar will be pressed on nine-squares beam under muscle.

After roof panel reinforcing bar binding, between each nine-squares beam top board and roof panel face reinforcing bar, add cushion block; The negative muscle of roof panel by designing requirement put, colligation is good, good by spacing 500mm layout split heads colligation between the negative muscle of muscle at the bottom of plate and plate.

12, double curved surface roofing concrete is built

1, before disturbing concrete, foreign material in cleaning template, water rinses moistening template, has copied horizontal absolute altitude mark.Put up construction passage, the concrete of being familiar with section chief's appointment is built route etc. and is confided a technological secret.

2, as shown in Figure 9, nine-squares beam roofing concrete is built and should be adopted pumping of concrete, when concrete is built, by isohypse (absolute altitude with respect to ± 0.00), dividing casting area segmentation continuous placing carries out, the every 800mm discrepancy in elevation in thing both sides is divided a casting area, nine-squares beam carries out stratified continuous pouring vibration compacting by the hoist order of (by east, west → centre) of lower, last layer concrete must be built before next layer concrete initial set, topmost one deck is built together with plate concrete, does not stay horizontal construction joint.

LIFT height should be generally 1.25 times of vibrator agency part length according to design feature, the decision of reinforcing bar density, and maximum must not surpass 50cm.Each casting area primary concreting.

3, concrete slump: 110~130mm.Slump should strictly be controlled by construction match ratio.

4, building concrete should carry out continuously, and the initial setting time is slightly long; Because difficulty of construction is large, segmentation builds between two sections of concretes that seam is long, constuction joint area is larger, and concrete need add retarding agent.

5, concrete pouring vibrating method.Use poker vibrator to insert and to pull out slowly soon, slotting point is evenly distributed, pointwise is moved, order is carried out, must not omit, accomplish even jolt ramming, moving interval is not more than 1.5 times (being generally 30-40cm) of the operating radius that vibrates, while vibrating last layer, should insert the 5cm of lower floor, to eliminate the seam of two interlayers.The moving interval of surface vibrator (or claiming plate vibrator), the flat board that can guarantee vibrator to cover the part edge that shaken.

6, the level of flooring concrete and the control of planeness

(1) level of flooring concrete is controlled and is adopted bar dowel stake to control, and bar dowel arranges in length and breadth with Ф 16@2000, L=thickness of slab, and absolute altitude is controlled reinforcing bar and beam slab muscle firm welding.

(2) flooring planeness is controlled after concrete tamping, adopts the long iron roller of 6m to even up, and then with the long chi a tree, used in making timber for boats of 3m, catch up with flat, iron plate compacting receipts light.

7, concreting is complete should press surface with wood float mill in good time, in case produce shrinkage crack; Jolt ramming forbids constructor to walk in the above after rubbing with the hands and putting down before final set.

13, concrete curing, form removal

1, concrete curing

Concrete maintenance and form removal are with conventional identical, and should adopt water seasoning summer, and winter can first covered with plastic film, then carries out covering and heat insulating water-preserving curing with gunnysack and straw screen or mat.This engineered cementitious adopts portland cement, and the concrete casting water curing time is not less than 7d; The concrete curing time of Mixed With Admixture is not less than 14d.As temperature on average, during lower than 5 ℃, must not take water seasoning.

2, concrete form removal

(1) after concrete structure pouring, reach some strength, can form removal.On the template dismounting date, the intensity that should reach by design feature and concrete determines, concrete strength is main according to determining with the pressure testing result of condition test specimen.

(2) required concrete strength during cast-in-place structural form removal

(3) form removal order: nine-squares beam base plate template → nine-squares beam side form → nine-squares beam top board.

(4), during form removal, concrete strength must reach table requirement of strength and can remove.During form removable, follow first and prop up afterwards and tear open, rear principle of first tearing open, prevents template and hard thing collision, forbids with crowbar sled and beats with sledgehammer.

(5) template of pulling down and annex are answered on-call maintenance maintenance, clean out brush oil or release agent, and the neat stacking of classification.

Claims (4)

1. the netted nine-squares beam Hyperbolic Roof of a random oblique construction method, is characterized in that, comprises the following steps:
(1) preparation of construction: be ready to design drawing, equipment and instrument and constructional materials;
(2) secondary conversion of design drawing: utilize CASS Become the picture software to carry out secondary detailingi to roofing beam slab CAD electronic edition drawing, propose roofing beam slab and at the projection three-dimensional coordinate on ground;
(3) measure setting-out nine-squares beam ground projection axis: by AutoCAD and space measurement setting-out technique, projection three-dimensional graph paper according to the roofing beam slab of secondary detailingi on ground, on terrace bed course, measuring goes out nine-squares beam Axis Cross point ground projection coordinate point, according to nine-squares beam Axis Cross point ground projection coordinate's point, emits nine-squares beam axis;
(4) set up steel tube fastener full hall scaffold support system: the vertical rod of full hall scaffold is arranged on the crosspoint of nine-squares beam ground projection axis, and bottom of upright rod arranges base and backing plate; In vertical rod, apart from ground 180-220mm eminence, along horizontal direction in length and breadth, by the bar of sweeping the floor of the programming in vertical bottom rail, rod end is along vertical horizontally set top girt; Outside full hall scaffold, border arranges vertical bridging continuously from the bottom to top, and on bottom, the top of vertical bridging continuously and the bar of sweeping the floor, horizontal cross brace is being set, in length and breadth to two adjacent vertical word diagonal braces that arrange between bridgings continuously;
(5) emit the absolute altitude of stupefied wooden lower support cross bar at the bottom of nine-squares beam beam: according to hyperboloid nine-squares beam Beam Elevation figure, calculate the absolute altitude of support rail at the bottom of beam; With level gauge beam at the bottom of the absolute altitude measuring of support rail to vertical rod, the vertical rod that exceeds beam bottom mother plate part is blown with electric welding machine;
(6) on support rail the stupefied wood of colligation, lay base plate: on support rail at the bottom of beam, tie up stupefied wood, stupefied wood according to beam at the bottom of support rail with iron wire, tie up into the arch of distortion; Be paved with after stupefied wood from roofing both sides toward middle assembled base plate template;
(7) measure and emit roof girder position: according to the nine-squares beam position coordinates of designing requirement and the production of CAD 3D model, on nine-squares beam base plate template face, locate snap the line, determine plan-position and the bulk of nine-squares beam; In nine-squares beam base plate template, measuring goes out nine-squares beam axis, then draws beam sideline;
(8) processing colligation nine-squares beam reinforcing bar: the setting-out of hyperboloid nine-squares beam reinforcing bar computer, blanking processing, and press center line colligation nine-squares beam reinforcing bar at the bottom of nine-squares beam beam;
(9) nine-squares beam lattice side form is installed and is reinforced: utilize AutoCAD software to carry out side form setting-out, be then unified in processing space and be processed into nine-squares beam side form square frame; At nine-squares beam reinforcing bar, put into the nine-squares beam side form square frame processing and reinforce;
(10) install and reinforce nine-squares beam top board;
(11) slab reinforcement colligation: on plate face reinforcing bar and nine-squares beam, muscle is positioned at same layer and is pressed on nine-squares beam under muscle, and firm with nine-squares beam reinforcing bar binding; After slab reinforcement colligation, between each nine-squares beam top board and slab reinforcement, add cushion block;
(12) double curved surface roofing concrete is built: by isohypse, divide casting area segmentation continuous placing and carry out, nine-squares beam is hoisted and is carried out stratified continuous pouring vibration compacting by lower, last layer concrete is built before next layer concrete initial set, topmost one deck is built together with plate concrete, does not stay horizontal construction joint.
2. the netted nine-squares beam Hyperbolic Roof of random oblique according to claim 1 construction method, is characterized in that, in described step (4), the line mid point in two adjacent nine-squares beam ground projection axis crosspoints also has additional a vertical rod.
3. the netted nine-squares beam Hyperbolic Roof of random oblique according to claim 1 construction method, it is characterized in that, in described step (4), the spacing of sweeping the floor between bar and top girt, be distributed equally and determine after step pitch, each step pitch is in vertical horizontally set girt.
4. the netted nine-squares beam Hyperbolic Roof of random oblique according to claim 1 construction method, is characterized in that, in described step (4), the spreading of vertical rod adopts clasp connected mode is carried out.
CN201310367409.2A 2013-08-21 2013-08-21 Random oblique netted nine-squares beam Hyperbolic Roof construction method CN103615110B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104818792A (en) * 2015-04-10 2015-08-05 广东电白建设集团有限公司 Measurement, control and construction method for curved roof formwork system
CN106223151A (en) * 2016-07-22 2016-12-14 南通八建集团有限公司 Severe cold area large area wing square stone material is mated formation prevention and cure of crack method
CN106245916A (en) * 2016-08-01 2016-12-21 中国建筑第八工程局有限公司 The three-dimensional construction method of Group Buildings
CN106481068A (en) * 2016-10-20 2017-03-08 兰州理工大学 The construction method of high-order cast-in-place concrete structure formwork system
CN107327079A (en) * 2017-08-31 2017-11-07 陕西建工第三建设集团有限公司 A kind of construction method of three-dimensional obliquely-intersected beams
CN109184194A (en) * 2018-11-02 2019-01-11 北京城建七建设工程有限公司 A kind of armored concrete hyperbolic slope surface roofing template system construction method
CN109356309A (en) * 2018-11-25 2019-02-19 上海宝冶集团南京建筑有限公司 A kind of SMC exempts to tear panel grider construction and side form liner reinforcement process open

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Publication number Priority date Publication date Assignee Title
CN104818792A (en) * 2015-04-10 2015-08-05 广东电白建设集团有限公司 Measurement, control and construction method for curved roof formwork system
CN106223151A (en) * 2016-07-22 2016-12-14 南通八建集团有限公司 Severe cold area large area wing square stone material is mated formation prevention and cure of crack method
CN106223151B (en) * 2016-07-22 2018-05-15 南通八建集团有限公司 Large area wing square stone material in severe cold area is mated formation prevention and cure of crack method
CN106245916A (en) * 2016-08-01 2016-12-21 中国建筑第八工程局有限公司 The three-dimensional construction method of Group Buildings
CN106481068A (en) * 2016-10-20 2017-03-08 兰州理工大学 The construction method of high-order cast-in-place concrete structure formwork system
CN107327079A (en) * 2017-08-31 2017-11-07 陕西建工第三建设集团有限公司 A kind of construction method of three-dimensional obliquely-intersected beams
CN107327079B (en) * 2017-08-31 2019-05-07 陕西建工第三建设集团有限公司 A kind of construction method of three-dimensional obliquely-intersected beams
CN109184194A (en) * 2018-11-02 2019-01-11 北京城建七建设工程有限公司 A kind of armored concrete hyperbolic slope surface roofing template system construction method
CN109356309A (en) * 2018-11-25 2019-02-19 上海宝冶集团南京建筑有限公司 A kind of SMC exempts to tear panel grider construction and side form liner reinforcement process open

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