CN103790228A - Steel truss structure used for grooved plate and double-T-plate longitudinal ventilation passage and construction method of steel truss structure - Google Patents
Steel truss structure used for grooved plate and double-T-plate longitudinal ventilation passage and construction method of steel truss structure Download PDFInfo
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- CN103790228A CN103790228A CN201410006775.XA CN201410006775A CN103790228A CN 103790228 A CN103790228 A CN 103790228A CN 201410006775 A CN201410006775 A CN 201410006775A CN 103790228 A CN103790228 A CN 103790228A
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- steel truss
- corbel
- longitudinal ventilation
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Abstract
Disclosed is a steel truss structure used for a grooved plate and double-T-plate longitudinal ventilation passage. In a project using the grooved plate and double-T-plate longitudinal ventilation passage, a ventilation plate is placed on a reinforced concrete inverted-T beam between two spanning plates in a broken manner, so that the longitudinal ventilation passage between the spanning plates enables blockage of a main beam not to be capable of being realized. An inverted-T beam structure is replaced by the steel truss structure with a hole naturally formed in the middle, so that the using problem of a multi-span underground garage is solved.
Description
Technical field
Building materials field
Background technology
Underground garage is all cast-in-place structural, is generally 8 meters of post nets.
Can make post net become 12-18 meters of spans with large-span prestressed trough slab, save pillar, save parking stall, attractive in appearance, trough slab, T plate sealed bottom form longitudinal ventilation passage, on rib, punch and form transversal ventilation passage, and disconnected being placed on the beam of falling T, reduce floor height, (otherwise plate is broken on girder, modern owing to cannot realizing in the too high practice of floor height,) feasible to single span garage, but for multispan garage, the disconnected girder of falling T of putting ventilating board has been blocked across a ventilation stack, thereby cannot realize, and reduce by 80% engineering use.
The problem to be solved in the present invention: cannot realize longitudinal ventilation and irrealizable present situation for above-mentioned multispan underground garage, provide a kind of for being communicated with the two steel truss technology across longitudinal ventilation plate longitudinal ventilation passage, to realize the use problem of large-span prestressed plate in multispan garage.
Summary of the invention
A kind of for being communicated with 2 steel truss structures across a trough slab, T plate longitudinal ventilation road, comprise longitudinal ventilation beam slab and Steel Truss Beam, it is characterized in that: with the middle steel truss replacement that carries gravity vent for the disconnected same steel concrete beam of falling T of putting of the 2 large span T plates across longitudinal ventilation, trough slab, thereby 2 across between ventilation stack vertical communication between longitudinal ventilation plate; Described steel truss structure, comprises girder steel, lower girder steel and steel corbel, it is characterized in that: natural ventilation between its upper and lower girder steel, and lower girder steel stretches out local steel corbel disconnected indulging to the position of ventilating board or common plate; Described steel truss structure is characterized in that: described upper girder steel winds up as steel reinforced concrete composition; Steel corbel, is characterized in that: the height of steel corbel will approach and coincide with the angle of rib height of the T plate on top or trough slab.A kind of for being communicated with the construction method of 2 steel truss structures across a trough slab, T plate longitudinal ventilation road: (1) builds up frame column by conventional method, (2) steel truss is divided into and is winded up and lower edge, intermediate supports steel has ventilation opening naturally, wind up as steel reinforced concrete composition, on steel truss lower edge girder steel, bottom surface has local steel corbel, steel corbel is from being 15-45cm to steel corbel top at the bottom of beam, Steel Truss Beam is connected with post, and break the T plate with longitudinal ventilation passage, trough slab to be placed on the steel corbel of Steel Truss Beam (3).
Accompanying drawing explanation
Fig. 1 is a kind of steel truss structure schematic diagram for trough slab, T plate longitudinal ventilation road.
Fig. 1-A is a kind of sectional view of the steel truss structure for trough slab, T plate longitudinal ventilation road.
In figure: 1 is steel truss; 2 is steel corbel; 3 gravity vents; 4 frame columns; 6 is the RC beam not replaced by Steel Truss Beam; 7 wind up as steel reinforced concrete for steel truss; 8 is prefabricated longitudinal ventilation plate.
The specific embodiment
By reference to the accompanying drawings
(1) build frame column 4 with usual manner;
(2) steel truss 1 is divided into and winds up 7 and lower edge 9, and intermediate supports steel has ventilation opening 3 naturally, winds up 7 for steel reinforced concrete composition, and on steel truss lower edge girder steel, bottom surface has local steel corbel 2, and steel corbel is from being 15-45cm to steel corbel top at the bottom of beam;
(3) Steel Truss Beam 1 is arranged between two posts and is connected with post 5;
(4) be placed on than on the slightly wide bracket of rib of slab disconnected longitudinal ventilation road trough slab or T plate 8.
Claims (5)
1. one kind for being communicated with 2 steel truss structures across a trough slab, T plate longitudinal ventilation road, comprise longitudinal ventilation beam slab and Steel Truss Beam, it is characterized in that: on the steel truss with natural ventilation in the middle of disconnected put same of the 2 large span T plates across longitudinal ventilation, trough slab, thereby 2 across between ventilation stack vertical communication between longitudinal ventilation plate.
2. steel truss structure as claimed in claim 1, comprises girder steel, lower girder steel and steel corbel, it is characterized in that: natural ventilation between its upper and lower girder steel, lower girder steel stretches out local steel corbel disconnected indulging to the position of ventilating board or common plate.
3. steel truss structure as claimed in claim 2 is characterized in that: described upper girder steel winds up as steel reinforced concrete composition.
4. steel corbel as claimed in claim 2, is characterized in that: the height of steel corbel will approach and coincide with the angle of rib height of the T plate on top or trough slab.
5. one kind for being communicated with the construction method of 2 steel truss structures across a trough slab, T plate longitudinal ventilation road:
(1) build up frame column by conventional method;
(2) steel truss is divided into and is winded up and lower edge, intermediate supports steel has ventilation opening naturally, winds up as steel reinforced concrete composition, and on steel truss lower edge girder steel, bottom surface has local steel corbel, steel corbel is from being 15-45cm to steel corbel top at the bottom of beam, and Steel Truss Beam is connected with post;
(3) T plate with longitudinal ventilation passage, trough slab are broken and be placed on the steel corbel of Steel Truss Beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006775.XA CN103790228B (en) | 2014-01-07 | 2014-01-07 | Steel truss structure used for grooved plate and double-T-plate longitudinal ventilation passage and construction method of steel truss structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006775.XA CN103790228B (en) | 2014-01-07 | 2014-01-07 | Steel truss structure used for grooved plate and double-T-plate longitudinal ventilation passage and construction method of steel truss structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103790228A true CN103790228A (en) | 2014-05-14 |
| CN103790228B CN103790228B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410006775.XA Active CN103790228B (en) | 2014-01-07 | 2014-01-07 | Steel truss structure used for grooved plate and double-T-plate longitudinal ventilation passage and construction method of steel truss structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2155147A1 (en) * | 1970-12-14 | 1972-07-06 | Institutul De Proiectari Al Industriei Usoare, Bukarest | Prefabricated prestressed concrete hollow box girder for industrial hall construction and process for its production |
| US3748801A (en) * | 1971-04-19 | 1973-07-31 | Inst Usoare Ipiu | Prefabricated girder channel for ventilation heating or air conditioning of the industrial halls |
| CN2386106Y (en) * | 1999-09-29 | 2000-07-05 | 王安明 | Large precase slab |
| CN201254783Y (en) * | 2008-07-21 | 2009-06-10 | 柳忠林 | Structure beam unit used as ventilated passage and ventilated passage system |
| CN101936054A (en) * | 2010-08-19 | 2011-01-05 | 李勇 | Steel truss web combined PC beam and construction method thereof |
| CN103228994A (en) * | 2010-09-17 | 2013-07-31 | 尔班依塔斯有限公司 | Forced air radiant heating utilicore and module and building incorporating same |
-
2014
- 2014-01-07 CN CN201410006775.XA patent/CN103790228B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2155147A1 (en) * | 1970-12-14 | 1972-07-06 | Institutul De Proiectari Al Industriei Usoare, Bukarest | Prefabricated prestressed concrete hollow box girder for industrial hall construction and process for its production |
| US3748801A (en) * | 1971-04-19 | 1973-07-31 | Inst Usoare Ipiu | Prefabricated girder channel for ventilation heating or air conditioning of the industrial halls |
| CN2386106Y (en) * | 1999-09-29 | 2000-07-05 | 王安明 | Large precase slab |
| CN201254783Y (en) * | 2008-07-21 | 2009-06-10 | 柳忠林 | Structure beam unit used as ventilated passage and ventilated passage system |
| CN101936054A (en) * | 2010-08-19 | 2011-01-05 | 李勇 | Steel truss web combined PC beam and construction method thereof |
| CN103228994A (en) * | 2010-09-17 | 2013-07-31 | 尔班依塔斯有限公司 | Forced air radiant heating utilicore and module and building incorporating same |
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| Publication number | Publication date |
|---|---|
| CN103790228B (en) | 2017-02-01 |
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Effective date of registration: 20230704 Granted publication date: 20170201 |