CN101666136A - Double-T plate with hole on rib and ventilation channel system - Google Patents
Double-T plate with hole on rib and ventilation channel system Download PDFInfo
- Publication number
- CN101666136A CN101666136A CN200910169026A CN200910169026A CN101666136A CN 101666136 A CN101666136 A CN 101666136A CN 200910169026 A CN200910169026 A CN 200910169026A CN 200910169026 A CN200910169026 A CN 200910169026A CN 101666136 A CN101666136 A CN 101666136A
- Authority
- CN
- China
- Prior art keywords
- plate
- double
- hole
- rib
- ventilation channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a double-T plate. A plurality of through holes of a ventilation pipe are arranged on a rib plate of the double-T plate; the transversal surface of each through hole is in sector, rectangle, square, triangle, rotundity, ellipse, trapezoid or regular polygon; each through hole is internally provided with a steel pipe or plastic pipe matched with the internal wall of the through hole. The invention also provides a ventilation channel system which comprises a plurality of double-T plates arranged side by side, and the through holes of the ventilation pipes of the double-Tplates are respectively distributed along the straight lines vertical to the longitudinal axes of the double-T plates and are respectively communicated to form transverse ventilation channels. In theinvention, the space between two rib plates of the double-T plate is used as a ventilation channel in industrial factory buildings, garages and other civil architectural structures, so that the ventilation channel does not need additionally laying, thus the ventilation system of the building has simple structure and convenient operation, can reduce self weight and increase load by adding the height of roof truss of the building, and can economically realize higher span more than 30 meters.
Description
Technical field
The present invention relates to a kind of prefabricated reinforced concrete bearing carrier, particularly relate to the double T plate and the ventilation channel system of hole-opening on a kind of rib.
Background technology
The double T plate is the prefabricated reinforced concrete bearing carrier of plate, beam combination, is made up of roomy panel and two narrow and high ribs.Its panel is horizontal load-carrying members, is again the pressure zone of vertical load-bearing rib.So the double T plate has good structural mechanical property, clear and definite power transmission level, succinct geometry is a kind of large span, big area coverage and both economical bearing carrier of can be made into.
At present, large span prestressed concrete double T plate is used widely in industrial premises and other civilian construction structures as a kind of standard concrete prefabricated units, and fully manifests its superiority in the industrialization of construction industry field.Use the building of double T plate big because of its space, design simplification, it is convenient to construct, and comprehensive cost is low, is accepted by users gradually.
But, 1, at present the vent passages facility in industrial premises, garage and other civilian construction structures is to be provided with separately, generally adopt glass fiber reinforced plastic member, metallic conduit or hang comb, butt up against blower fan then, like this, complex structure can produce cross influence between each facility.2, the double T span of slab is 30 meters to the maximum, and U.S.'s maximum span is 27 meters, and 30 meters spans are promptly made of light material, also are difficult to reach more large span.
Summary of the invention
The objective of the invention is at the ventilating duct facility complicated problems in present industrial premises, garage and other civilian construction structures, can not surpass present situation more than 30 meters with the double T span of slab, a kind of double T plate and ventilation channel system as vent passages is provided, thereby simplification building structure, and can realize turning to flexibly of vent passages, and can alleviate deadweight, and increase load, realize more large span more economically.
Technical scheme of the present invention is as follows: the double T plate of hole-opening on a kind of rib, ad-hoc location on the double T rib of slab has one or several holes, can form transversal ventilation tunnel holes or water service pipe tunnel holes, can alleviate deadweight again, increase load, realize more large span economically.
Further, the double T plate of hole-opening on the aforesaid rib, wherein, being shaped as of hole is fan-shaped, square, oval, trapezoidal, triangle, rectangle, rhombus, circle, parallelogram or regular polygon; Preferably up big and down small shape is beneficial to the concrete jolt ramming of hole bottom.Low shearing section beyond the position of hole should be driveed in the shear area, two ends, perhaps wing plate pressure zone and rib of slab prestress reinforcement district have the double T plate of curve stretch-draw can also be located at the curve stretched zone as if presstressed reinforcing steel; Zone shearing resistance secure section length, wing plate pressure zone thickness are foundation with the result of calculation of carrying out according to different templates, should guarantee that near the shearing resistance section of bearing has enough shear resistances.
Further, the double T plate of hole-opening on the aforesaid rib, wherein, the hole rib of slab can be taked conventional strengthening measure, comprise and strengthen hole reinforcing bar rib of slab, thickening all around or improve concrete grade,, slacken the cross section to punching and give reinforcement to improve the bending resistance on hole rib of slab plane.
Further, the double T plate of hole-opening on the aforesaid rib, wherein, the plate of various different size models and class of loading, area arrives to a certain degree greatly if punch, and the rod member secondary stress influence that causes moment of flexure to cause is excessive, in the time of can't realizing, can add vertically being subjected to bar bending and being connected with the net sheet to be contained in the net sheet above hole, the two layers of mesh sheet is connected by transverse reinforcement by the rib of slab size; Bore hole size makes the top, hole form the arch power transmission by control major and minor axis ratio.
Further, the double T plate of hole-opening on the aforesaid rib wherein, if hole is opened the closer locations in distance shearing resistance district, should reduce single hole area according to calculating gradually from the centre to two ends, stay bigger distance between borehole, and encrypt stirrup.If when punching the concrete jolt ramming of effect length hole bottom, grouting is set on the loose tool of double T board mold shakes and lead mouth; The fetal membrane material can be selected EPS, GRC or wooden model, plastic foil or rubber pattern in groups for use, should be linked to be general frame with the hole fetal membrane and put among the double T template die plate again with the Double-level Reticulated sheet.
Further, the double T plate of hole-opening on the aforesaid rib wherein, can also be provided with the steel pipe or the plastic pipe that are complementary with its inwall in ventilation channel through-holes.Also be provided with sealing plate on the double T plate, the bottom, space that two floors of described sealing plate sealing double T plate are folded; Described sealing plate is steel plate, plank, plastic plate, aluminium-plastic panel or glass steel tile; Can be provided with raised or sunken structure on the sealing plate.
A kind of ventilation channel system that uses above-mentioned double T plate comprises some double T plates that are arranged side by side, and has plurality of ventilation channel through-holes on the floor of described double T plate, and described ventilation channel through-holes is connected successively respectively to be communicated with and formed the transversal ventilation passage.
Further, aforesaid ventilation channel system, wherein, the transversal ventilation passage externally can dock blower fan or butt up against the shutter that ventilates and take shelter from rain; Be provided with the air chimney that series connection successively is communicated with the ventilation channel through-holes on the double T plate in the transversal ventilation passage.
Further, aforesaid ventilation channel system, wherein, described transversal ventilation passage comprise some between the adjacent floor of double T plate around ventilation channel through-holes be provided with before, back shrouding and following shrouding, the front and back side of following shrouding is respectively with preceding, the bottom of back shrouding connects, before, the left and right sides side of back shrouding and following shrouding is connected with double T plate two adjacent floors respectively, before, the top of back shrouding is connected with the top board soffit of double T plate respectively, and is preceding, back and the following passage that shrouding surrounded are connected successively and are communicated with ventilation channel through-holes formation transversal ventilation passage on the adjacent floor of double T plate.
Further, aforesaid ventilation channel system, wherein, the sealing plate that also comprises the bottom, the folded space of two adjacent floors of two floors sealing same double T plate or adjacent double T plate, the folded space of two floors of same double T plate or two adjacent floors of adjacent double T plate forms the longitudinal ventilation passage, and described sealing plate seals the bottom surface of above-mentioned longitudinal ventilation passage.
Further, aforesaid ventilation channel system, wherein, can also be connected successively side by side with the double T plate by some single T plates, also have plurality of ventilation channel through-holes on the floor of single T plate, the ventilation channel through-holes on described single T plate and the double T rib of slab plate is connected successively respectively to be communicated with and is formed the transversal ventilation passage.
Further, aforesaid ventilation channel system wherein, is worn one or several small holes to satisfy the usefulness of wearing the screw furred ceiling or wearing electric wire on two end ribs of double T plate or single T plate.
Beneficial effect of the present invention is as follows: the present invention has plurality of ventilation channel through-holes on the floor of double T plate, and series connection is communicated with formation transversal ventilation passage successively respectively, and adopt the bottom, space between adjacent two floors of sealing plate sealing double T plate, make two adjacent floor institute clip spaces form the longitudinal ventilation passage.With above structure as the vent passages in industrial premises, garage and other civilian construction structures, do not need to lay in addition independent air chimney, make the simple in structure of building ventilation system, easy construction, and can turn to flexibly, can also alleviate deadweight by increasing the roof truss height of building, increase load, realize more large span more economically.
Description of drawings
Fig. 1 is the cross sectional representation as the double T plate of vent passages;
Fig. 2 is a kind of structural representation of ventilation channel system;
Fig. 3 is the another kind of structural representation of ventilation channel system;
Fig. 4 is that the A of Fig. 3 is to view;
Fig. 5 is the cross sectional representation that has the double T plate of sealing plate;
Fig. 6 is a kind of structural representation that has the ventilation channel system of sealing plate;
Fig. 7 is the another kind of structural representation that has the ventilation channel system of sealing plate.
Fig. 8 is a hole location schematic diagram on the rib.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
The double T plate of hole-opening on the rib provided by the present invention, the ad-hoc location on the double T rib of slab has one or several holes, can form transversal ventilation tunnel holes or water service pipe tunnel holes, can alleviate deadweight again, increases load, realizes more large span economically.Being shaped as of hole is fan-shaped, square, oval, trapezoidal, triangle, rectangle, rhombus, circle, parallelogram or regular polygon; Preferably up big and down small shape is beneficial to the concrete jolt ramming of hole bottom.Low shearing section beyond the position of hole should be driveed in the shear area, two ends, perhaps wing plate pressure zone and rib of slab prestress reinforcement district have the double T plate of curve stretch-draw can also be located at the curve stretched zone as if presstressed reinforcing steel; Zone shearing resistance secure section length, wing plate pressure zone thickness are foundation with the result of calculation of carrying out according to different templates, should guarantee that near the shearing resistance section of bearing has enough shear resistances.
Embodiment one
As shown in Figure 8, low shearing section 15, top wing plate pressure zone 16 and the prestressed reinforcement district 17 of the position of the hole of opening on the floor of described double T plate 12 beyond should be in the shear area, two ends, if the presstressed reinforcing steel of double T plate is that curve stretch-draw also comprises between the curve stretched zone 20 of prestressed reinforcement 18, the rubber type fetal membrane is set on hole 2 on fetal membrane, continues to employ grouting mouth 19.The hole rib of slab can be taked conventional strengthening measure, comprises strengthening hole reinforcing bar rib of slab, thickening all around or improving concrete grade, to improve the bending resistance on hole rib of slab plane, slackens the cross section to punching and gives reinforcement.The plate of various different size models and class of loading, area arrives to a certain degree greatly if punch, the rod member secondary stress influence that causes moment of flexure to cause is excessive, in the time of can't realizing, can add vertically being subjected to bar bending and being connected with the net sheet to be contained in the net sheet above hole, the two layers of mesh sheet is connected by transverse reinforcement by the rib of slab size; Bore hole size makes the top, hole form the arch power transmission by control major and minor axis ratio.If hole is opened the closer locations in distance shearing resistance district, should from the centre to two ends, reduce single hole area gradually according to calculating, stay bigger distance between borehole, and encrypt stirrup.If when punching the concrete jolt ramming of effect length hole bottom, grouting is set on the loose tool of double T board mold shakes and lead mouth; The fetal membrane material can be selected EPS, GRC or wooden model, plastic foil or rubber pattern in groups for use, should be linked to be general frame with the hole fetal membrane and put among the double T template die plate again with the Double-level Reticulated sheet.
As shown in Figure 1, be provided with the steel pipe or the plastic pipe 3 that are complementary with its inwall in the ventilation channel through-holes of on the floor of double T plate 1, offering 2.
Embodiment two
As shown in Figure 5, on the basis of embodiment one, also be provided with sealing plate 4, some suspension hooks 5 and securing member 6 on the double T plate 1, described securing member 6 is separately fixed at suspension hook 5 on the bottom surface of two floors of double T plate 1, described sealing plate 4 be fixed on the suspension hook 5 and the soffit of two floors of sealing plate 4 and double T plate 1 between seal.During construction, securing member 6 is fixed on the built-in fitting on the double T plate 1 floor bottom surface, then sealing plate 4 is fixed on the bottom surface of double T plate 1 floor, at last the gap between the bottom surface of sealing plate 4 and double T plate 1 floor is sealed.
Described sealing plate 4 can be steel plate, plank, plastic plate, aluminium-plastic panel or glass steel tile; Can be provided with raised or sunken structure on the sealing plate.
When adopting steel plate, also can directly steel plate be welded on the built-in fitting on double T plate 1 floor, or use the bolt sealing plate as sealing plate.
The present invention also provides a kind of ventilation channel system, as shown in Figure 2, described ventilation channel system comprises some above-mentioned double T plate 1 and some air chimneys 11 as vent passages, the ventilation channel through-holes 2 that air chimney 11 is communicated with respectively on the adjacent floor of double T plate successively forms transversal ventilation passage 20, and the transversal ventilation passage externally can dock blower fan or butt up against the shutter that ventilates and take shelter from rain.Described transversal ventilation passage 20 also can be as Fig. 3, shown in Figure 4, by preceding, the back reaches shrouding 13 down, 14,12 are provided with around ventilation channel through-holes 2 respectively, the front and back side of following shrouding 12 is respectively with preceding, back shrouding 13,14 bottom connects, before, back shrouding 13,14 are connected with 1 liang of adjacent floor of double T plate respectively with the left and right sides side of following shrouding 12, before, back shrouding 13,14 top is connected with the top board soffit of double T plate 1 respectively, and is preceding, back and following shrouding 13,14 and 12 are surrounded the passage that the forms ventilation channel through-holes 2 that is communicated with on the double T plate 1 adjacent floor of connecting successively and form the transversal ventilation passages.Like this, the transversal ventilation passage 20 between two floors of a plurality of double T plate has just constituted the ventilation channel system in industrial premises, garage and other civilian construction structures.
The present invention also provides another kind of ventilation channel system, as Fig. 6, shown in Figure 7, comprises the double-T plate assembly that has sealing plate 4 in some the foregoing descriptions two, and the folded space of two floors of described double T plate forms the longitudinal ventilation passage.The some above-mentioned longitudinal ventilation passage of She Zhiing has just constituted the ventilation channel system in industrial premises, garage and other civilian construction structures like this, as required.During concrete the application, the machine air draft of can being given a dinner for a visitor from afar respectively in above-mentioned longitudinal ventilation passage two ends also can be with the end sealing of longitudinal ventilation passage, the other end machine air draft of giving a dinner for a visitor from afar, perhaps with the closed at both ends of longitudinal ventilation passage, the perforate shutter that machine air draft or butt joint are ventilated and taken shelter from rain of giving a dinner for a visitor from afar on sealing plate.
Above-mentioned ventilation channel system also can adopt another kind of scheme to realize, be about to the folded space of the adjacent floor of two adjacent double T plates as the longitudinal ventilation passage, the bottom adopts the embodiment identical with such scheme to constitute ventilation channel system by the sealing plate sealing then.
In addition, the present invention can also adopt two single T plates to be combined into the double T plate side by side, utilizes gap therebetween to form the longitudinal ventilation passage; Or be connected successively side by side with the double T plate by some single T plates, form many group longitudinal ventilation passages.Also have plurality of ventilation channel through-holes on the floor of single T plate, the ventilation channel through-holes on described single T plate and the double T rib of slab plate is connected successively respectively to be communicated with and is formed the transversal ventilation passage.Wear one or several small holes on two end ribs of double T plate or single T plate and hang usefulness pre-or that wear electric wire with the satisfied screw of wearing.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.
Claims (17)
1, the double T plate of hole-opening on a kind of rib, it is characterized in that: the ad-hoc location on the double T rib of slab has one or several holes, can form transversal ventilation tunnel holes or water service pipe tunnel holes, can alleviate deadweight again, increase load, realize more large span economically.
2, the double T plate of hole-opening on the rib as claimed in claim 1 is characterized in that: being shaped as of hole is fan-shaped, square, oval, trapezoidal, triangle, rectangle, rhombus, circle, parallelogram or regular polygon; Preferably up big and down small shape is beneficial to the concrete jolt ramming of hole bottom.
3, the double T plate of hole-opening on the rib as claimed in claim 1 or 2, it is characterized in that: the position of hole should be driveed between low shearing section, wing plate pressure zone and rib of slab prestress reinforcement district beyond the shear area, two ends, if presstressed reinforcing steel has the double T plate of curve stretch-draw also should be located at beyond the curve stretch-draw zone, shearing resistance secure section length, wing plate pressure zone thickness are foundation with the result of calculation of carrying out according to different templates, should guarantee that near the shearing resistance section of bearing has enough shear resistances.
4, the double T plate of hole-opening on the rib as claimed in claim 3, it is characterized in that: the hole rib of slab is taked conventional strengthening measure, comprise and strengthen thickening of reinforcing bar rib of slab or raising concrete grade around the hole,, slacken the cross section to punching and give reinforcement to improve the bending resistance on hole rib of slab plane.
5, the double T plate of hole-opening on the rib as claimed in claim 3, it is characterized in that: the plate of various different size models and class of loading, area arrives to a certain degree greatly if punch, the rod member secondary stress influence that causes moment of flexure to cause is excessive, in the time of can't realizing, can add vertically being subjected to bar bending and being connected with the net sheet to be contained in the net sheet above hole, the two layers of mesh sheet is connected by transverse reinforcement by the rib of slab size; Bore hole size makes the top, hole form the arch power transmission by control major and minor axis ratio.
6, the double T plate of hole-opening on the rib as claimed in claim 3 is characterized in that: if hole is opened the closer locations in distance shearing resistance district, should reduce single hole area gradually according to calculating from the centre to two ends, stay bigger distance between borehole, and encrypt stirrup.
7, the double T plate of hole-opening on the rib as claimed in claim 3 is characterized in that: if when punching the concrete jolt ramming of effect length hole bottom, grouting is set on the loose tool of double T board mold shakes and lead mouth; The fetal membrane material can be selected EPS, GRC or wooden model, plastic foil or rubber pattern in groups for use, should be linked to be general frame with the hole fetal membrane and put among the double T template die plate again with the Double-level Reticulated sheet.
8, the double T plate of hole-opening on the rib as claimed in claim 1 or 2 is characterized in that: can also be provided with the steel pipe or the plastic pipe that are complementary with its inwall in ventilation channel through-holes.
9, the double T plate of hole-opening on the rib as claimed in claim 8 is characterized in that: also be provided with sealing plate on the double T plate, the bottom, space that two floors of described sealing plate sealing double T plate are folded; Described sealing plate is steel plate, plank, plastic plate, aluminium-plastic panel or glass steel tile.
10, hole-opening double T plate on the rib as claimed in claim 9, it is characterized in that: sealing plate is provided with raised or sunken structure.
11, a kind of ventilation channel system is characterized in that: comprise some double T plates that are arranged side by side, have plurality of ventilation channel through-holes on the floor of described double T plate, described ventilation channel through-holes is connected successively respectively to be communicated with and is formed the transversal ventilation passage.
12, ventilation channel system as claimed in claim 11 is characterized in that: the transversal ventilation passage externally can dock blower fan or butt up against the shutter that ventilates and take shelter from rain.
13, ventilation channel system as claimed in claim 11 is characterized in that: be provided with the air chimney that series connection successively is communicated with the ventilation channel through-holes on the double T plate in the described transversal ventilation passage.
14, as claim 11 or 13 described ventilation channel systems, it is characterized in that: described transversal ventilation passage comprise some between the adjacent floor of double T plate around ventilation channel through-holes be provided with before, back shrouding and following shrouding, the front and back side of following shrouding is respectively with preceding, the bottom of back shrouding connects, before, the left and right sides side of back shrouding and following shrouding is connected with double T plate two adjacent floors respectively, before, the top of back shrouding is connected with the top board soffit of double T plate respectively, and is preceding, back and the following passage that shrouding surrounded are connected successively and are communicated with ventilation channel through-holes formation transversal ventilation passage on the adjacent floor of double T plate.
15, ventilation channel system as claimed in claim 14, it is characterized in that: the sealing plate that also comprises the bottom, the folded space of two adjacent floors of two floors sealing same double T plate or adjacent double T plate, the folded space of two floors of same double T plate or two adjacent floors of adjacent double T plate forms the longitudinal ventilation passage, and described sealing plate seals the bottom surface of above-mentioned longitudinal ventilation passage.
16, as claim 11 or 13 described ventilation channel systems, it is characterized in that: some single T plates are connected side by side successively with the double T plate, also have plurality of ventilation channel through-holes on the floor of single T plate, the ventilation channel through-holes on described single T plate and the double T rib of slab plate is connected successively respectively to be communicated with and is formed the transversal ventilation passage.
17, ventilation channel system as claimed in claim 16 is characterized in that: wear one or several small holes on two end ribs of double T plate or single T plate to satisfy the usefulness of wearing the screw furred ceiling or wearing electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910169026A CN101666136A (en) | 2009-05-14 | 2009-09-05 | Double-T plate with hole on rib and ventilation channel system |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910138904.X | 2009-05-14 | ||
| CN200920156237.3 | 2009-06-07 | ||
| CN200920156237 | 2009-06-07 | ||
| CN200910169026A CN101666136A (en) | 2009-05-14 | 2009-09-05 | Double-T plate with hole on rib and ventilation channel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101666136A true CN101666136A (en) | 2010-03-10 |
Family
ID=41802901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910169026A Pending CN101666136A (en) | 2009-05-14 | 2009-09-05 | Double-T plate with hole on rib and ventilation channel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101666136A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518252A (en) * | 2011-05-06 | 2012-06-27 | 柳忠林 | Large span and large load prestress double T laminated plate adopted as basement plate, and ventilation channel |
| CN102758449A (en) * | 2011-04-26 | 2012-10-31 | 柳忠林 | Large-span prestressed trough composite slab used as roof of air-defense basement |
-
2009
- 2009-09-05 CN CN200910169026A patent/CN101666136A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758449A (en) * | 2011-04-26 | 2012-10-31 | 柳忠林 | Large-span prestressed trough composite slab used as roof of air-defense basement |
| CN102518252A (en) * | 2011-05-06 | 2012-06-27 | 柳忠林 | Large span and large load prestress double T laminated plate adopted as basement plate, and ventilation channel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102116065B (en) | Large-span prestressed concrete beam plate as ventilating channel and ventilating channel system | |
| CN202596024U (en) | Large-span and large-load prestress double-T superimposed plate serving as basement plate and ventilating ducts | |
| CN107401217B (en) | A kind of beamless hollow floor-chamber concrete-filled steel tube shear wall combined structure system and method | |
| CN105113659A (en) | Prefabrication wall of prefabricated house | |
| CN102828573A (en) | Compressed-steel sandwich combination wallboard | |
| CN103266720A (en) | Composite beam comprising steel beam with concrete at abdomen | |
| CN206467827U (en) | A kind of assembly concrete shear wall | |
| CN101666136A (en) | Double-T plate with hole on rib and ventilation channel system | |
| CN201809897U (en) | Large-span prestress concrete beam slab used as ventilation passage and ventilation passage system | |
| CN102116063A (en) | Large-span prestressed concrete girder plate used as ventilation channel, and ventilation channel system | |
| CN203684457U (en) | Light assembled shear wall structure | |
| CN205134664U (en) | A upper and lower double -deck concrete slab structure for girder steel | |
| US20180223520A1 (en) | Prefabricated Modular Constructive System | |
| CN205475901U (en) | Inorganic light compound incubation integration exterior wall cladding system | |
| CN204940608U (en) | The prefabrication and lifting body of wall of fabricated structure | |
| CN101881060B (en) | Prestressed concrete mansard rigid-frame beam | |
| CN208815741U (en) | A kind of hollow roof boarding of prefabricated PC | |
| CN204940585U (en) | The precast wall body of assembled-type house | |
| CN204139316U (en) | A kind of steel structure shear wall structure system | |
| CN202031218U (en) | Large-span pre-stressed concrete beam slab for ventilation channel and ventilation channel system | |
| CN201254823Y (en) | Double-T plate and ventilated passage system used as ventilated passage | |
| CN209556203U (en) | Long-span underground power house furred ceiling arched girder steel-concrete structure | |
| CN202866094U (en) | Light self-insulation precast slab system with shear key structure | |
| CN201254783Y (en) | Structure beam unit used as ventilated passage and ventilated passage system | |
| CN102127943A (en) | Large-span prestressed concrete beam plate used as ventilation channel and ventilation channel system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100310 |