CN102912914B - Theater type building seat ventilation hole cambered arrangement hollow inclined plate and construction method thereof - Google Patents
Theater type building seat ventilation hole cambered arrangement hollow inclined plate and construction method thereof Download PDFInfo
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- CN102912914B CN102912914B CN201210477887.4A CN201210477887A CN102912914B CN 102912914 B CN102912914 B CN 102912914B CN 201210477887 A CN201210477887 A CN 201210477887A CN 102912914 B CN102912914 B CN 102912914B
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Abstract
The invention discloses a theater type building seat ventilation hole cambered arrangement hollow inclined plate and a construction method thereof. Ventilation hole bushings of the hollow inclined plate are arranged at intervals layer by layer in a cambered manner along the seat arrangement direction; filling blocks are arranged in a space formed by an upper layer steel bar mesh, a lower layer steel bar mesh and a ribbed beam steel bar framework; casting vibration holes are retained in the middle of the filling blocks; a tube slot matched with the cambered interface of each ventilation hole bushing is formed in one side face of each filling block; the upper ends and the lower ends of the ventilation hole bushings avoid main ribs of the lower layer steel bar mesh and the upper layer steel bar mesh and penetrate through the upper layer steel bar mesh; and upper openings of the ventilation hole bushings are temporarily closed. According to the theater type building seat ventilation hole cambered arrangement hollow inclined plate, the filling blocks are fixed by ribbed beams between the filling blocks; and floating of the filling blocks are controlled by a ribbed beam steel bar framework and a template supporting frame, so that the construction efficiency is effectively improved, and the forming quality is guaranteed. The theater type building seat ventilation hole cambered arrangement hollow inclined plate is suitable for various large-span prestress hollow cast-in-place inclined plate structure in which theater type building seat stages are in cambered arrangement, and positive pressure air feeding holes are required to be retained below a seat.
Description
Technical field
The present invention relates to the construction method of a kind of arenas class building auditorium floor.
Background technology
Along with China's economy is constantly flourish in recent years, the average income of entire society improves gradually, the people's culture life demand improves gradually, this has promoted the development of China's cultural undertakings, the building of many various arenas character that all parts of the country are newly-built, as movie theatre, assembly hall, television relay auditorium etc., these architecture indoor Spatial General 6 Rs have following function: seat step camber is arranged, the step floor that raises is step by step swash plate, there is long-span space, under-seat ground is reserved with forced draft hole, these function rooms are generally by adopting cast-in-place solid slab or steel work to realize.
Existing arenas class building, the rehearsal room of auditorium and below, auditorium all needs larger space, structural frames trestle can not extend auditorium's ground floor, therefore ground, auditorium need be designed to greatly across pre-stress hollow swash plate, on floor, need under seat, reserve a large amount of ventilated seating holes, gravity vent domestic demand is inserted trunnion, and trunnion stretches into seat leg, by seat leg, blow, thereby require gravity vent to become vertical state and accurate positioning.
Because hollowcore slab is acclive swash plate, design drawing dimensioning is filling block epicuticle horizontal dimension, after therefore needing before the size of actual filling block and girt strip and position construction to adjust according to the hollowcore slab gradient, could use; Many, curved the arranging of ventilation pore quantity that auditorium's seat is reserved, therefore in template, accurately location gravity vent difficulty is larger; Because ventilated seating hole becomes vertical state, filling block is parallel with swash plate, therefore gravity vent and filling block out of plumb, another filling block is that lightweight polyphenyl material is inflammable, should not punch on a large scale at the scene, add that gravity vent arc arranges, the position of each gravity vent on filling block is different, how on filling block, to carry out accurate box out and becomes a difficult problem; Ventilation hole template fixing and can positioning difficulty while how to guarantee that concrete is built not larger; Method Pre-stress Concrete Hollow Slab muscle is arranged for dodging air chimney camber, reinforcing bar processing length and arrange more difficult; Hollowcore slab concrete formation quality and filling block position accurately will directly affect floor quality and structural safety, and cassette ceiling exists the filling block position problems such as being difficult to control, concrete formation difficulty that is difficult to fix, floats.
Summary of the invention
The invention provides a kind of arenas class building ventilated seating hole arc arrange hollow swash plate and construction method thereof, solve the technical problem that existing ventilated seating hole arc is arranged hollow swash plate construction ventilation hole location difficulty, is difficult to carry out accurate box out on filling block; And solving the easy positioning when concrete is built of gravity vent sleeve pipe, hollowcore slab is difficult to fix, easily floating, and Method Pre-stress Concrete Hollow Slab muscle is arranged difficult technical problem.
The technical solution adopted for the present invention to solve the technical problems is:
This arenas class building ventilated seating hole arc hollow swash plate of arranging, comprise top mat sheet, lower floor's reinforced mesh, girt strip cage of reinforcement, presstressed reinforcing steel, preset gravity vent sleeve pipe and cast-in-place concrete, it above it, is an inclined table, described gravity vent sleeve pipe is successively intervally arranged along rows of seats column direction is curved, described top mat sheet, in the space that lower floor's reinforced mesh and girt strip cage of reinforcement enclose, preset filling block, the hole of vibrating is built in the centre position indwelling of described filling block, there is the tube seat coordinating with gravity vent sleeve pipe arc-shaped interface one side of filling block, the upper and lower side of gravity vent sleeve pipe is dodged the main muscle of lower floor's reinforced mesh and top mat sheet, and through top mat sheet, the upper oral part of gravity vent sleeve pipe temporarily seals, neck periphery clamps colligation by triangle positioning bar and top mat sheet and is located by connecting, the lower, outer perimeter of gravity vent sleeve pipe clamps colligation by another triangle positioning bar and lower floor's reinforced mesh and is located by connecting, the lower end of gravity vent sleeve pipe cuts out oblique angle according to the gradient of swash plate.
Described filling block is gas concrete piece or foam concrete piece, and chamfering is all made at filling block four angles of going to the bottom.
The upper oral part of described gravity vent sleeve pipe is pasted sealing by gummed paper or is sealed by glass wool cloth is coated.
The arrange construction method of hollow swash plate of this arenas class building ventilated seating hole arc, has the following steps:
Described step 2, gravity vent sleeve pipe adopts pvc pipe, and filling block adds man-hour gravity vent and is reserved with the departure of 30mm, and chamfering is all made at filling block four angles of going to the bottom, and builds the hole of vibrating in the indwelling of filling block centre position simultaneously.
Described step 6, gravity vent sleeve pipe and border, the swash plate bed die contact position fixing slope angle of nail steel nail position, and tie down in the groove that steel nail is enclosed within gravity vent sleeve pipe top well cutting and strain with iron wire;
Gravity vent sleeve pipe is gone to the bottom fixing with swash plate bed die time, and the colligation anti-floating of punching on bed die galvanized wire adopts bifilar galvanized wire to walk around girt strip cage of reinforcement two bottom sides bight longitudinal reinforcement firm through the support body drawknot of the aperture of offering in advance on bed die and bottom support.
Described step 6 is lay presstressed reinforcing steel in girt strip cage of reinforcement afterwards.
Described step 7, filling block sets in advance split heads before laying, and split heads is parallel to beam length direction two roads is set, and when filling block is partial on one side, places three roads, overlaps 200mm between split heads;
After filling block has been placed, filling block top arranges at least elongated reinforcing bar of twice, is about miter angle at least two road filling block anti-floating beading, filling block anti-floating beading and the colligations of top mat sheet are set again on elongated reinforcing bar with each filling block.
Described step 5, the main muscle of lower floor's reinforced mesh dodges that gravity vent sleeve pipe is curved arranges, and the main muscle of lower floor's reinforced mesh is avoided the reserved 25mm topping of gravity vent sleeve pipe;
Described step 8, the main muscle of top mat sheet dodges that gravity vent sleeve pipe is curved arranges, and between the main muscle of top mat sheet and gravity vent sleeve pipe, stays and establishes 20mm topping.
Described step 10, adopt pea gravel concreten placement layer by layer from high to lower, slump is selected between 200mm～220mm, along filling block and girt strip, vibrate by row, the filling block upside girt strip place concrete that first vibrates, after vibrate hole then the downside girt strip place concrete that vibrates, repeat again the above order that vibrates, until observe concrete from vibrate hole and girt strip, from filling block, go to the bottom to overflow and be full of filling block lower space.
Beneficial effect of the present invention is as follows:
The present invention, before filling block processing, has carried out Deepen Design to filling block processing dimension and reserving hole, demarcates each reserving hole location dimension, and with mould indwelling inclined hole on filling block, thereby while guaranteeing filling block installation, gravity vent is vertical state.Mould is determined according to the gradient of formwork erection, and can conveniently process, and uses mould perforate can reduce manual operation error, has avoided the bad grasp of artificial box out angle, and very low-angle deviation will cause that hole is corresponding with pre-buried template does not go up.The processing dimension of filling block is definite as principle take a reserved ventilation hole on every filling block, has avoided because seat camber is arranged, and while there is multiple preformed hole on the filling block of processing, as one of them exists deviation, whole filling block just can not be installed smoothly.The edge that preformed hole is retained in filling block can be used the accurate box out of mould, filling block is installed after hole to be provided template being first installed again, can guarantee the fixed not positioning of gravity vent sleeve pipe.Filling block adds man-hour reserved gravity vent and leaves the departure of 30mm, and the angle of inclination in hole, with formwork erection angle, occurs error, formwork erection slope errors, the on-the-spot error that ventilation hole template is installed to eliminate location, and filling block hole to be provided manufacturing tolerance.Filling block adds four angles of going to the bottom man-hour and all makes chamfering, is convenient to concrete flowing, and near filling block centre position, the hole of vibrating is built in indwelling simultaneously, so that concrete flows and vibration compacting.
Gravity vent sleeve pipe is gone to the bottom fixing with swash plate bed die time, adopt bifilar galvanized wire to walk around girt strip cage of reinforcement two bottom sides bight longitudinal reinforcement firm through the support body drawknot of the aperture of offering in advance on bed die and bottom support, and beading is set above filling block, during concreting, filling block is passed to girt strip by beading by buoyancy, girt strip conducts to template lower support support body by galvanized wire, can guarantee that like this reinforcing bar is non-rising.
The present invention takes full advantage of the design feature of cassette ceiling, with the fixing filling block of the girt strip between filling block, with girt strip cage of reinforcement skeleton and formwork-support control filling block floating, by adopting concrete, the science of the reasonable slump to divide, build thickness, control concreting and the measures such as speed of vibrating, effectively improve construction efficiency, guaranteed Forming Quality.
The present invention is by carrying out piecemeal in vent locations, and the mode of reserved 1 gravity vent on each filling block has solved the reserved problem of the gravity vent that arenas class building ventilated seating hole arc arranges smoothly.Utilize mould to solve the angle of inclination problem of gravity vent.Filling block processing is simple, and the gravity vent on filling block is accurately reserved, easy for installation, has effectively improved construction efficiency, has guaranteed construction quality, has saved and has dropped into and the duration.Work progress safety and environmental protection, work efficiency is high, quality good, concreting one-shot forming, can realize smoothly a large amount of ventilated seatings hole reserving on hollow swash plate, vent locations is accurate, and can make filling block cost of production greatly reduce, save the duration, there is good economic benefit and social benefit.
The present invention is applicable to various arenas class building seat step cambers and arranges, under-seat ground need indwelling have forced draft hole greatly across the cast-in-place swash plate structure of pre-stress hollow, be specially adapted to need accurate indwelling a large amount of holes greatly across pre-stress hollow Bars In Poured Concrete Slab or cast-in-place swash plate structure.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the network for location of gravity vent.
Fig. 2 is the vertical section structure schematic diagram of hollow swash plate.
Fig. 3 is the elevation of filling block.
Fig. 4 is the fixed form schematic diagram of gravity vent sleeve pipe and top mat sheet, lower floor's reinforced mesh.
Fig. 5 is the curve drawing of presstressed reinforcing steel.
Reference numeral: 1-lower floor reinforced mesh, 2-top mat sheet, 3-girt strip cage of reinforcement, 4-filling block, 4.1-build the hole of vibrating, 4.2-tube seat, 5-gravity vent sleeve pipe, 6-triangle positioning bar, 7-anti-floating galvanized wire, 8-filling block anti-floating beading, 9-girt strip, 10-presstressed reinforcing steel.
The specific embodiment
Embodiment is referring to shown in Fig. 1～5, this arenas class building ventilated seating hole arc hollow swash plate of arranging, comprise top mat sheet 2, lower floor's reinforced mesh 1, girt strip cage of reinforcement 3, presstressed reinforcing steel 10, preset gravity vent sleeve pipe 5 and cast-in-place concrete, it above it, is an inclined table, described gravity vent sleeve pipe 5 is successively intervally arranged along rows of seats column direction is curved, described top mat sheet 2, in the space that lower floor's reinforced mesh 1 and girt strip cage of reinforcement 3 enclose, preset filling block 4, the hole 4.1 of vibrating is built in the centre position indwelling of described filling block, there is the tube seat 4.2 coordinating with gravity vent sleeve pipe 5 arc-shaped interfaces one side of filling block 4.The upper oral part of described gravity vent sleeve pipe 5 is pasted sealing by gummed paper or is sealed by glass wool cloth is coated.The upper and lower side of gravity vent sleeve pipe 5 is dodged the main muscle of lower floor's reinforced mesh 1 and top mat sheet 2, and through top mat sheet 2, the upper oral part of gravity vent sleeve pipe 5 temporarily seals, neck periphery clamps colligation by triangle positioning bar 6 and top mat sheet 2 and is located by connecting, the lower, outer perimeter of gravity vent sleeve pipe 5 clamps colligation by another triangle positioning bar 6 with lower floor's reinforced mesh 1 and is located by connecting, and the lower end of gravity vent sleeve pipe 5 cuts out oblique angle according to the gradient of swash plate.
Shown in Figure 3, filling block 4 is gas concrete piece or foam concrete piece, and chamfering is all made at filling block 4 four angles of going to the bottom.The hole 4.1 of vibrating is built in filling block 4 centre position indwellings, and there is the tube seat 4.2 coordinating with gravity vent sleeve pipe 5 arc-shaped interfaces filling block 4 one sides.
Shown in Figure 4, the lower, outer perimeter of gravity vent sleeve pipe 5 is located by connecting by triangle positioning bar 6 and 1 colligation of lower floor's reinforced mesh; The neck periphery of gravity vent sleeve pipe 5 is located by connecting with 2 colligations of top mat sheet by another triangle positioning bar 6.
Shown in Figure 5, in the girt strip cage of reinforcement of hollow swash plate, be equipped with presstressed reinforcing steel 10, presstressed reinforcing steel can be delayed bonding prestressed tendon.
The arrange construction method of hollow swash plate of this arenas class building ventilated seating hole arc, has the following steps:
Before girt strip tie with reinforcing bar, set up steel tube frame, then colligation girt strip cage of reinforcement, notice that girt strip two ends are encrypted stirrup according to designing requirement length, whether indivedual beams need to bend beam steel is hidden and meets ventilated seating hole and undertaken by designing requirement, after colligation completes, girt strip is dropped under plate muscle and removes bracing frame on iron.Girt strip cage of reinforcement 3 both sides and filling block 4 contact positions placement L-type reinforcing bars colligation are firm, each filling block single side arranges 2, when filling block is greater than 1m, arrange 3, L-type reinforcing bar is short to turn head and inserts on girt strip between the two-layer main muscle of iron, and lower end extends the position of lower floor's reinforced mesh 1.
Gravity vent sleeve pipe 5 is gone to the bottom fixing with swash plate bed die time, the colligation anti-floating of punching on bed die galvanized wire 7, adopts bifilar galvanized wire to walk around girt strip cage of reinforcement two bottom sides bight longitudinal reinforcement firm through the support body drawknot of the aperture of offering in advance on bed die and bottom support;
The lower, outer perimeter of gravity vent sleeve pipe 5 is located by connecting by triangle positioning bar 6 and 1 colligation of lower floor's reinforced mesh;
Hollowcore slab lower floor reinforced mesh and girt strip tie with reinforcing bar complete qualified on inspection after; along presstressed reinforcing steel, lay direction, every 1000mm, absolute altitude positioning bar is set; the design elevation of pressing presstressed reinforcing steel, by together with the stirrup colligation of positioning bar and the medium and small girt strip of hollowcore slab and fixation, is guaranteed the curve of delayed bonding prestressed tendon.
Delayed bonding prestressed tendon should carry out lay by the requirement of construction drawing, and in lay process, its plan-position and profile position are answered accurate positioning, guarantees presstressed reinforcing steel design rise.The laying order of presstressed reinforcing steel and position should be coordinated mutually with the laying order of plain bars and position.Bunchy muscle can be worn also and can wear by whole bundle by Dan Shu, should avoid each interfascicular not parallel, cross one another.
After filling block 4 has been placed, filling block 4 tops arrange at least elongated reinforcing bar of twice, be about miter angle at least two road filling block anti-floating beading 8, filling block anti-floating beading and 2 colligations of top mat sheet are set again on elongated reinforcing bar with each filling block.
Claims (10)
1. the arenas class building ventilated seating hole arc hollow swash plate of arranging, comprise top mat sheet (2), lower floor's reinforced mesh (1), girt strip cage of reinforcement (3), presstressed reinforcing steel (10), preset gravity vent sleeve pipe (5) and cast-in-place concrete, it above it, is an inclined table, described gravity vent sleeve pipe (5) is successively intervally arranged along rows of seats column direction is curved, it is characterized in that: described top mat sheet (2), in the space that lower floor's reinforced mesh (1) and girt strip cage of reinforcement (3) enclose, preset filling block (4), the hole of vibrating (4.1) is built in the centre position indwelling of described filling block, there is the tube seat (4.2) coordinating with gravity vent sleeve pipe (5) arc-shaped interface one side of filling block (4), the upper and lower side of gravity vent sleeve pipe (5) is dodged the main muscle of lower floor's reinforced mesh (1) and top mat sheet (2), and through top mat sheet (2), the upper oral part of gravity vent sleeve pipe (5) temporarily seals, neck periphery clamps colligation by triangle positioning bar (6) and top mat sheet (2) and is located by connecting, the lower, outer perimeter of gravity vent sleeve pipe (5) clamps colligation by another triangle positioning bar (6) and lower floor's reinforced mesh (1) and is located by connecting, the lower end of gravity vent sleeve pipe (5) cuts out oblique angle according to the gradient of swash plate.
2. the arenas class according to claim 1 building ventilated seating hole arc hollow swash plate of arranging, is characterized in that: described filling block (4) is gas concrete piece or foam concrete piece, and chamfering is all made at filling block (4) four angles of going to the bottom.
3. the arenas class according to claim 1 building ventilated seating hole arc hollow swash plate of arranging, is characterized in that: the upper oral part of described gravity vent sleeve pipe (5) is pasted sealing by gummed paper or by the coated sealing of glass wool cloth.
4. the arrange construction method of hollow swash plate of arenas class building ventilated seating hole arc as described in claim 1 or 2 or 3, is characterized in that having the following steps:
Step 1, before construction, according to the hollow swash plate gradient, adjust size and the position of actual filling block and girt strip, utilize computer to catch the coordinate that calculates each gravity vent sleeve pipe (5), take a reserved tube seat (4.2) on every filling block as principle, determine the processing dimension of filling block (4), tube seat (4.2) is retained in to the edge of filling block, the location dimension of demarcating each tube seat (4.2);
Step 2, in factory process filling block (4), with mould indwelling tube seat (4.2) on filling block;
Step 3, preparation of construction, sets up support scaffolding at the bottom of plate, a swash plate bed die;
Step 4, girt strip (9) and gravity vent sleeve pipe (5) location, the on-the-spot position line that ejects girt strip on the swash plate bed die having propped up, gravity vent sleeve pipe (5) the coordinate total powerstation calculating according to step 1 carries out fixed point location unwrapping wire;
Step 5, lay lower floor reinforced mesh (1) and girt strip cage of reinforcement (3), pad lower floor reinforced mesh topping cushion block;
Step 6, goes to the bottom gravity vent sleeve pipe (5) to fix with swash plate bed die, and gravity vent sleeve pipe is gone to the bottom and according to swash plate bed die, installed the gradient and cut out oblique angle, goes to the bottom and be close to swash plate bed die when gravity vent sleeve pipe is vertical; The lower, outer perimeter of gravity vent sleeve pipe (5) is located by connecting by triangle positioning bar (6) and lower floor's reinforced mesh (1) colligation;
Step 7, places filling block (4) by row, and gravity vent sleeve pipe (5) is inserted in the tube seat of filling block (4);
Step 8, lay top mat sheet (2), the upper oral part of gravity vent sleeve pipe (5) is temporarily pasted sealing with gummed paper, and neck periphery is located by connecting by another triangle positioning bar (6) and top mat sheet (2) colligation;
Step 9, support plate end mould;
Step 10, concreting and maintenance.
5. the arenas class according to claim 4 building ventilated seating hole arc construction method of hollow swash plate of arranging, it is characterized in that: described step 2, gravity vent sleeve pipe (5) adopts pvc pipe, filling block (4) adds man-hour gravity vent and is reserved with the departure of 30mm, chamfering is all made at filling block (4) four angles of going to the bottom, and builds the hole of vibrating (4.1) in the indwelling of filling block centre position simultaneously.
6. the arenas class according to claim 4 building ventilated seating hole arc construction method of hollow swash plate of arranging, it is characterized in that: described step 6, gravity vent sleeve pipe (5) and border, the swash plate bed die contact position fixing slope angle of nail steel nail position, and tie down in the groove that steel nail is enclosed within gravity vent sleeve pipe top well cutting and strain with iron wire;
Gravity vent sleeve pipe (5) is gone to the bottom fixing with swash plate bed die time, the colligation anti-floating of punching on bed die galvanized wire (7), adopts bifilar galvanized wire to walk around girt strip cage of reinforcement two bottom sides bight longitudinal reinforcement firm through the support body drawknot of the aperture of offering in advance on bed die and bottom support.
7. the arenas class according to claim 4 building ventilated seating hole arc construction method of hollow swash plate of arranging, is characterized in that: after described step 6 in girt strip cage of reinforcement (3) lay presstressed reinforcing steel (10).
8. the arenas class according to claim 4 building ventilated seating hole arc construction method of hollow swash plate of arranging, it is characterized in that: described step 7, filling block (4) sets in advance split heads before laying, split heads is parallel to beam length direction two roads is set, when filling block is partial on one side, place three roads, between split heads, overlap 200mm;
After filling block (4) has been placed, filling block (4) top arranges at least elongated reinforcing bar of twice, on elongated reinforcing bar, be about miter angle with each filling block at least two road filling block anti-floating beadings (8) are set again, filling block anti-floating beading and top mat sheet (2) colligation.
9. the arenas class according to claim 4 building ventilated seating hole arc construction method of hollow swash plate of arranging, it is characterized in that: described step 5, the main muscle of lower floor's reinforced mesh (1) is dodged curved the arranging of gravity vent sleeve pipe (5), and the main muscle of lower floor's reinforced mesh (1) is avoided the reserved 25mm topping of gravity vent sleeve pipe (5);
Described step 8, the main muscle of top mat sheet (2) is dodged curved the arranging of gravity vent sleeve pipe (5), between the main muscle of top mat sheet (2) and gravity vent sleeve pipe (5), stays and establishes 20mm topping.
10. the arenas class according to claim 4 building ventilated seating hole arc construction method of hollow swash plate of arranging, it is characterized in that: described step 10, adopt pea gravel concreten placement layer by layer from high to lower, slump is selected between 200mm～220mm, along filling block and girt strip, vibrate by row, filling block upside girt strip place concrete first vibrates, after the hole of vibrating, downside girt strip place concrete again vibrates, repeat again the above order that vibrates, until observe concrete from vibrate hole and girt strip, from filling block, go to the bottom to overflow and be full of filling block lower space.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210477887.4A CN102912914B (en) | 2012-11-22 | 2012-11-22 | Theater type building seat ventilation hole cambered arrangement hollow inclined plate and construction method thereof |
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| CN201210477887.4A CN102912914B (en) | 2012-11-22 | 2012-11-22 | Theater type building seat ventilation hole cambered arrangement hollow inclined plate and construction method thereof |
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| CN103628672A (en) * | 2013-12-04 | 2014-03-12 | 浙江城建建设集团有限公司 | Steel wire mesh and template combined type inclined reinforced concrete floor device and construction method thereof |
| CN107044183A (en) * | 2017-05-31 | 2017-08-15 | 中国冶集团有限公司 | The hollow swash plate construction method of theatre chair air vent arc arrangement |
| CN108374522B (en) * | 2018-04-10 | 2024-06-14 | 余臣奎 | Protective layer framework of building structure and plate member construction scheme thereof |
| CN115874748B (en) * | 2022-12-02 | 2023-08-29 | 中国建筑设计研究院有限公司 | Construction method of reinforced concrete large-span thin shell and shell system thereof |
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| JPH08110082A (en) * | 1994-10-12 | 1996-04-30 | Takenaka Komuten Co Ltd | Air conditioning structure |
| JP2001165496A (en) * | 1999-12-03 | 2001-06-22 | Takenaka Komuten Co Ltd | Chamber for supplying conditioned air to stepwise audience seat |
| CN1743578B (en) * | 2002-04-30 | 2012-02-15 | 湖南邱则有专利战略策划有限公司 | Steel reinforced concrete three-dimensional force-bearing structure floorslab |
| CN101008251A (en) * | 2006-01-24 | 2007-08-01 | 邱则有 | Cast-in-situ concrete hollow board |
| CN100491675C (en) * | 2007-03-16 | 2009-05-27 | 北京城建集团有限责任公司 | Cast-in-situ clear-water concrete viewing platform moulding board and its construction method |
| CN102071808B (en) * | 2011-01-13 | 2012-09-26 | 中建四局第三建筑工程有限公司 | Anti-floating positioning method and structure for core mould pipe |
| CN202899382U (en) * | 2012-11-22 | 2013-04-24 | 北京城建建设工程有限公司 | Theater type building seat ventilation hole cambered arrangement hollow inclined plate |
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