CN1594795A - Precast hollow unit type cast-in-situ reinforced concrete vacuum floor - Google Patents
Precast hollow unit type cast-in-situ reinforced concrete vacuum floor Download PDFInfo
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- CN1594795A CN1594795A CN 200410076753 CN200410076753A CN1594795A CN 1594795 A CN1594795 A CN 1594795A CN 200410076753 CN200410076753 CN 200410076753 CN 200410076753 A CN200410076753 A CN 200410076753A CN 1594795 A CN1594795 A CN 1594795A
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Abstract
The present invention relates to a precast hollow unit type cast-in-situ reinforced concrete vacuum floor, the structure is that steel bar and precast hollow unit are arranged in the concrete layer, the precast hollow unit is vacuum unit. The invention utilizes vacuum unit, which has excellent heat preservation, thermal insulation and sound insulation capacity, to be added into cast-in-situ reinforced concrete layer, the heat preservation and thermal insulation effect of the reinforced concrete floor is improved by 20%, the sound insulation capacity is improved by 10-20 decibels. The invention is not only suitable for floor between cast-in-situ roof and layer, but also can be used for substrate of building for good heat preservation and thermal insulation effect. Because of the good sound insulation capacity, the floor is particularly suitable for library, teaching building, hospital, nursing home, and top grade house building, which have higher request of sound insulation.
Description
Technical field
The present invention relates to a kind of at the scene with the load-bearing floor slab structure of casting forming, specifically a kind of precast hollow unit type cast-in-situ reinforced concrete vacuum floor.
Background technology
At present, in modern building constructions, for the needs of anti-seismic performance, the floor of the load-bearing floor of floor gap and top layer (claiming " roof " again) all is to adopt the whole in-situ casting moulding of steel concrete.Existing reinforced concrete floor has solid and hollow two kinds of structures.
The characteristics of solid structure are: the reinforced concrete cast-in-situ solid floor is the floor slab structure that generally adopts during present building is built.Its shortcoming is because own wt is big, thereby its deflection deformation is big, easily cracking.Because the thermal and insulating performance of reinforced concrete floor is relatively poor, along with the raising of building energy-saving standard, floor must be laid the thermal insulation layer in addition.And folder is established insulation layer between two layer of concrete, can make floor can not form overall structure again, does not reach the effect of decompression that is implicative of each other, and can only increase the compressing weight to underfloor layer concrete layer, and the deflection deformation of floor and crack are further increased.And the soundproof effect of this structure is very poor.
The characteristics of reinforced concrete cast-in-situ hollow floor plate: cast-in-situ hollow floor plate is the cast-in-place new construction of developing in recent years of a kind of reinforced concrete floor.Its advantage is: (1) has alleviated solid construction floor deflection deformation shortcoming big and easy to crack to a certain extent; (2) this floor is from heavy and light, and shock resistance is good; (3) plate hight can reduce about 0.4 meter than deck-molding, has improved the building headroom, helps the installation of horizontal pipeline; (4) save material, compare with the solid floor slab structure, the steel concrete cost reduces by 5%, and the template loss reduces by 50%.Its shortcoming: (1) is so owing to be the middle also necessary thermal insulation layer of laying of layer of concrete of common hollow-core construction floor, floor is the same with solid construction can not to form overall structure, does not reach the effect of the decompression that is implicative of each other; (2) soundproof effect is still undesirable, to buildings such as library, teaching building, dwelling house, hospital, sanatorium puigging must be set.
Summary of the invention
Purpose of the present invention just provides a kind of precast hollow unit type cast-in-situ reinforced concrete vacuum floor, to overcome the deficiency that the cast-in-situ reinforced concrete hollow floor exists, further improves the insulation of floor, heat insulation and soundproof effect.
The object of the present invention is achieved like this: be provided with reinforcing bar and precast hollow unit in layer of concrete, precast hollow unit is a vacuum component.The relevant parameter of precast hollow unit type cast-in-situ reinforced concrete vacuum floor of the present invention is determined and concrete job practices, can carry out with reference to " the cast-in-situ concrete tube core building cover structure tecnical regulations " of the issue of China Ministry of Construction.
The present invention utilizes vacuum component to have excellent insulating, heat insulation and sound-insulating function, and it is added in the reinforced concrete floor of cast-in-situ floor, and the additional thermal insulation of precast hollow unit type reinforced concrete floor, the performance of sound insulation are further improved.Show that through experiment test the soundproof effect that presets the element type cassette ceiling that the cast-in-place vacuum floor of the present invention is more common can improve the 10-20 decibel, heat insulating effect can improve more than 20%.Adopt floor slab structure of the present invention, not only can replace the laying of insulation layer such as perlite or sole of the foot stone and puigging in the existing floor, but also solved the floor layering extremely hierarchy and the defective of discontinuous construction, floor self is become one structure, had the effect of the decompression of being implicative of each other, thereby strengthened the anti-seismic performance of building and each is to stressed transmission effect.
The present invention not only is suitable for the floor that in-situ casting becomes roof and interlayer, but also can be used for making the substrate of building, to play function of heat insulation preferably.Because the good soundproof effect that himself has, thereby floor of the present invention is particularly suitable for using in buildings such as the library that sound insulation is had higher requirements, teaching building, hospital, sanatorium and high-end residential building.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of a kind of specific implementation of special-purpose vacuum component among the present invention.
Fig. 3 is the structural representation of the cavity axis of vacuum component for the cast-in-place vacuum floor of cross arrangement form in length and breadth.
Fig. 4 is that vacuum component is the structural representation of the cast-in-place vacuum floor of vacuum box.
The specific embodiment
As shown in Figure 1, the manufacturing process of cast-in-situ reinforced concrete vacuum floor of the present invention is: formwork, mounting template; The line location; The installation of reinforcing bar and intercostal net sheet at the bottom of beam steel, the plate (, then carry out prestressing force at this moment and lay) if any the prestressing force requirement; The installation of preset vacuum member, fixing (when needed); Plate face reinforcement installation; Concreting; Maintenance (lay if any prestressed reinforcement, carry out prestressed stretch-draw anchor this moment); Form removable.The laying reinforcing bar 2 in layer of concrete 1 and the precast hollow unit that so promptly may be made in as shown in Figure 1 are the vacuum floor of vacuum component 3.
Vacuum component in the middle of the vacuum floor of the present invention can be that vacuum tube (shown in Figure 1), vacuum box (shown in Figure 4), vacuum sphere or other are abnormally-structured.The vacuum component of electron tubes type can be set arbitrarily in advance owing to length, thereby laying is easy for installation in cast-in-place process, and floor is made the work efficiency height.But its shortcoming is when carrying out the building interior decoration, if the somewhere of vacuum tube is penetrated or bores brokenly, the vacuum performance of a then whole pipe disappears at once.The vacuum component of vacuum box or vacuum sphere formula then will be reduced to bottom line because of fitting up the adverse effect that the distortion sky is caused.In addition, but the ball vacuum component of vacuum box or vacuum also dense distribution in vacuum floor, form a vacuum layer, thereby make the insulation of made vacuum floor, heat insulation, soundproof effect reach the highest.Require little construction occasion at some slab thicknesses, the laying of plate face reinforcing bar also can reach the same tailor-made usefulness to vacuum component simultaneously.The vacuum component that other are abnormally-structured is applicable in the in-situ reinforced concrete slab of special shape requirement.
For overcoming the defectives that vacuum performance that the vacuum long tube makes whole pipe because of the building interior decoration is punctured all disappears, can be with the contraction in length of vacuum tube, and make the form of band bell and spigot.Like this, many vacuum short tubes socket joint successively join, and can form a combined type vacuum long tube, lay and install for whole in building at the scene.This socket joint compound mode also has the advantage that changes preset vacuum member length according to floor design width difference flexibly.
Vacuum component can be made with metal material, nonmetals manufacturings such as also available cement composite material, organic or inorganic composite material.For the vacuum component of being made by nonmetals, portion is provided with stiffening rib within it, to improve the intensity of vacuum component.
For further improving the thermal and insulating performance of vacuum floor of the present invention, be preferably in the internal layer and/or the outer radiation prevention film that applies of vacuum component 3.Like this, the vacuum component in the vacuum floor of the present invention has increased the performance of heat resistanceheat resistant radiation again except that original heat resistanceheat resistant convection current and heat-conductive characteristic, and incubation and thermal insulation function is more comprehensive.
The concrete structure (as shown in Figure 2) of the electron tubes type vacuum component in the vacuum floor of the present invention is to be provided with shutoff 4,7 at the two ends of elongated pipe 5, is connected to the mouth of finding time in front end shutoff 7, and the mouth outside of finding time is provided with watch box 6.Elongated pipe body in this vacuum tube is suitable for being complementary with the structure of roof and floor, and can play certain supporting depressurization to roof and floor.Find time the watch box of mouth outside can prevent the job site because of operation accidentally to the collision of the mouth of finding time, to protect this weak link on the vacuum tube effectively, make vacuum tube all can keep condition of high vacuum degree in the front and back of building operation.This vacuum tube can gather therein when in-situ reinforced concrete slab after making and vacuumizing, and makes the vacuum floor that has insulation, heat insulation and sound insulation value.
Among Fig. 2, the elongated pipe 5 of vacuum tube can be pressed the mould extrusion molding with cement composite material or plastics, and two ends connect shutoff 4,7 respectively then, makes closed body.In the front end shutoff 7 of pipe 5, be connected with the mouth of finding time.The mouth of finding time can be selected existing commercial approved product for use, also can be made into form shown in Figure 2, and the mouth of promptly finding time is to be the plunger 8 of cone boss for clamping ends in the sleeve pipe 9 of bell at one end.Cone boss on the plunger 8 can block the taper internal orifice of sleeve pipe 9 voluntarily after pipe 5 vacuumizes.The clamping of plunger 8 and sleeve pipe 9, plunger 9 deviates from the time of can preventing to vacuumize.
The mouth outside of finding time at vacuum tube is provided with watch box 6.As shown in Figure 2, watch box 6 can be the section of stretching out of elongated pipe 5.After vacuumizing, directly the water mudding blocks the port of this section of stretching out.The find time watch box 6 of mouth outside also can be to be connected on the equipped helmet of elongated pipe front end.Band can the be found time front end shutoff 7 of mouth of this structure is connected the leading section of elongated pipe 5, and this manufacture craft than the built-in shutoff 7 among Fig. 2 is easy, quick.If elongated pipe is a plastic pipe, can adopt thread connecting mode, helmet is tightened in the pipe end.If elongated pipe is a pipe of cement, then helmet can be socketed in the end of pipe 5, cement then, prevent to get loose.
In vacuum floor of the present invention, for the tubulose vacuum component, its cavity axis can be unidirectional being arranged in parallel (shown in Figure 1), also can be cross arrangement in length and breadth (shown in Figure 3), can also be multidirectional arrangement.Be to determine in a word, with the form needs of unidirectional, the two-way or multidirectional stressed structure that satisfies building according to the designing requirement of different buildings.
For above-mentioned tubulose vacuum component, build at the scene in the process, preferably use align member to be fixed, to prevent the vacuum component displacement.Align member can be to have Y type bearing that uses in reinforced concrete prefabricated board manufacturing process and the form that is clasped now, also can adopt the form of locating bar.Implementation is formed align member by the reinforcing bar that bears down on one, fastening iron wire and locating piece preferably.Like this,, can be used as the plate face reinforcing steel bar laying of cast-in-situ floor again, reached the effect that kills two birds with one stone thus with when compressing reinforcing bar location vacuum component.The concrete form of this kind align member and construction requirement can be carried out with reference to " cast-in-situ concrete tube core building cover structure tecnical regulations ".
Vacuum floor of the present invention can be provided with steel concrete girt strip, dark beam, bright beam or steel reinforced concrete girt strip.Vacuum component can be arranged on the middle part, top of vacuum floor, portion or portion on the lower side on the upper side.Prestressed reinforced concrete construction in this way, then using is that prestressed reinforcement can be bonded prestress reinforcing bar or no-cohesive prestressed reinforcement.According to different designing requirements, vacuum floor of the present invention can be designed to beam evacuated panel, no beam evacuated panel, no post and emit various forms such as evacuated panel, dark beam evacuated panel or vacuum foundation slab.
Claims (10)
1, a kind of precast hollow unit type cast-in-situ reinforced concrete vacuum floor is provided with reinforcing bar (2) and precast hollow unit (3) in layer of concrete (1), it is characterized in that precast hollow unit (2) is a vacuum component.
2, precast hollow unit type cast-in-situ reinforced concrete vacuum floor according to claim 1 is characterized in that described vacuum component is that vacuum tube, vacuum box, vacuum sphere or other are abnormally-structured.
3, precast hollow unit type cast-in-situ reinforced concrete vacuum floor according to claim 1 and 2 is characterized in that the internal layer of vacuum component and/or skin are coated with radiation prevention film.
4, precast hollow unit type cast-in-situ reinforced concrete vacuum floor according to claim 2, it is characterized in that described vacuum tube is to be provided with shutoff (4 at the two ends of elongated pipe (5), 7), be connected to the mouth of finding time in front end shutoff (7), the mouth outside of finding time is provided with watch box (6).
5, precast hollow unit type cast-in-situ reinforced concrete vacuum floor according to claim 4 is characterized in that the described mouth of finding time is is the cylindrical plag (8) of cone boss for the interior clamping of the sleeve pipe of bell (9) end at one end.
6, precast hollow unit type cast-in-situ reinforced concrete vacuum floor according to claim 4, the watch box (6) of the mouth outside that it is characterized in that finding time is the section of stretching out of elongated pipe (5).
7, precast hollow unit type cast-in-situ reinforced concrete vacuum floor according to claim 4, the watch box (6) of the mouth outside that it is characterized in that finding time is for being connected on the helmet of elongated pipe (5) end.
8, precast hollow unit type cast-in-situ reinforced concrete vacuum floor according to claim 1, the cavity axis that it is characterized in that vacuum component be unidirectionally be arranged in parallel, cross arrangement or multidirectional arrangement in length and breadth.
9,, it is characterized in that vacuum component fixed by align member according to claim 1 or 8 described precast hollow unit type cast-in-situ reinforced concrete vacuum floors.
10, precast hollow unit type cast-in-situ reinforced concrete vacuum floor according to claim 9 is characterized in that described align member is made up of the reinforcing bar that bears down on one, fastening iron wire and locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100767537A CN100392198C (en) | 2003-09-17 | 2004-09-14 | Precast hollow unit type cast-in-situ reinforced concrete vacuum floor |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031432956A CN1525028A (en) | 2003-09-17 | 2003-09-17 | Reinforced concrete roof laying technology and dedicated vacuum tube |
| CN03143295.6 | 2003-09-17 | ||
| CNB2004100767537A CN100392198C (en) | 2003-09-17 | 2004-09-14 | Precast hollow unit type cast-in-situ reinforced concrete vacuum floor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1594795A true CN1594795A (en) | 2005-03-16 |
| CN100392198C CN100392198C (en) | 2008-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100767537A Expired - Fee Related CN100392198C (en) | 2003-09-17 | 2004-09-14 | Precast hollow unit type cast-in-situ reinforced concrete vacuum floor |
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| CN (1) | CN100392198C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102439241A (en) * | 2009-01-08 | 2012-05-02 | 塔里克·阿里·阿布拉班 | Reinforced load bearing structure |
| CN106625979A (en) * | 2016-12-16 | 2017-05-10 | 北京林业大学 | Manufacturing method of thermal-insulation and sound-insulation wood-plastic composite board with built vacuum tubes |
| CN106671215A (en) * | 2016-12-16 | 2017-05-17 | 北京林业大学 | Vacuum grain-wood plastic composite board and manufacturing method thereof |
| CN106696045A (en) * | 2016-12-16 | 2017-05-24 | 北京林业大学 | Hollow-microsphere particle board with built-in vacuum tubes and manufacturing method of such hollow-microsphere particle board |
| CN108915108A (en) * | 2018-09-10 | 2018-11-30 | 江苏添仂智能科技有限公司 | A kind of vacuum heat-insulating fire-proof board |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0666015A (en) * | 1992-08-20 | 1994-03-08 | Katsuyuki Kidokoro | Sound insulating floor |
| CN2225512Y (en) * | 1994-03-22 | 1996-04-24 | 肖淑兰 | Anti-radiant heat ceiling |
| RU2110648C1 (en) * | 1996-10-22 | 1998-05-10 | Александр Семенович Криворотов | Vacuum construction system for buildings and structures made primarily in zones of permafrost and earthquakes |
| CN1202329C (en) * | 1999-11-29 | 2005-05-18 | 邱则有 | Fiber-reinforced thin-wall box for filling cast-in-place reinforced concrete and its making method |
| JP3756036B2 (en) * | 2000-03-22 | 2006-03-15 | 松下エコシステムズ株式会社 | Construction method of frame heat storage system |
| CN2417223Y (en) * | 2000-03-23 | 2001-01-31 | 梁军 | Floor structure cast in situ with reinforcement inside |
| CN1400368A (en) * | 2001-07-27 | 2003-03-05 | 谢孟 | Form, its production method and application |
-
2004
- 2004-09-14 CN CNB2004100767537A patent/CN100392198C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102439241A (en) * | 2009-01-08 | 2012-05-02 | 塔里克·阿里·阿布拉班 | Reinforced load bearing structure |
| CN102439241B (en) * | 2009-01-08 | 2016-05-18 | 塔里克·阿里·阿布拉班 | Concrete panels |
| CN106625979A (en) * | 2016-12-16 | 2017-05-10 | 北京林业大学 | Manufacturing method of thermal-insulation and sound-insulation wood-plastic composite board with built vacuum tubes |
| CN106671215A (en) * | 2016-12-16 | 2017-05-17 | 北京林业大学 | Vacuum grain-wood plastic composite board and manufacturing method thereof |
| CN106696045A (en) * | 2016-12-16 | 2017-05-24 | 北京林业大学 | Hollow-microsphere particle board with built-in vacuum tubes and manufacturing method of such hollow-microsphere particle board |
| CN106671215B (en) * | 2016-12-16 | 2018-12-04 | 北京林业大学 | A kind of vacuum grain-wood-plastic clad plate and preparation method thereof |
| CN108915108A (en) * | 2018-09-10 | 2018-11-30 | 江苏添仂智能科技有限公司 | A kind of vacuum heat-insulating fire-proof board |
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| Publication number | Publication date |
|---|---|
| CN100392198C (en) | 2008-06-04 |
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Granted publication date: 20080604 Termination date: 20091014 |