CN101787747B - Heat bridge dispersive built-in heat insulation concrete structural system - Google Patents
Heat bridge dispersive built-in heat insulation concrete structural system Download PDFInfo
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- CN101787747B CN101787747B CN2010101318117A CN201010131811A CN101787747B CN 101787747 B CN101787747 B CN 101787747B CN 2010101318117 A CN2010101318117 A CN 2010101318117A CN 201010131811 A CN201010131811 A CN 201010131811A CN 101787747 B CN101787747 B CN 101787747B
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Abstract
The invention relates to a heat bridge dispersive built-in heat insulation concrete structural system. The system comprises a bearing concrete structural layer, a heat insulation material layer and a concrete protective layer from the inside to the outside; reserved holes are formed at regular intervals along the longitudinal and transverse directions of the heat insulation material layer; transverse steel bars in the holes are connected with steel bars in the bearing concrete structural layer and the concrete protective layer, and the steel bars and the cast concrete form a tension bridge; and an inner heat insulation material layer which is slightly greater than the reserved hole is fixed inside the bearing concrete structural layer corresponding to the reserved hole. The system can disperse heat bridge effect, balance heat transfer of a building envelope structure and remarkably reduce the heat bridge effect, and has good heat insulation performance; the built-in heat insulation layer of the system is safe to use, has the same service life as the structure, and has the service life greatly exceeding 25-year service life of the external heat insulation system; and the system can eliminate the hidden troubles of easy cracking, hollowness, leakage, drop and the like produced by sticking the external wall and externally hanging the heat insulation layer, and integrates advantages of heat insulation, earthquake resistance, environmental protection, short construction period, low manufacturing cost and the like.
Description
Technical field
The present invention relates to the engineering-built field, be specifically related to a kind of heat bridge dispersive built-in heat insulation concrete structural system.
Background technology
In building trade, the building energy conservation heat insulation body of wall of present widespread usage, its heat preservation technology and technology is, at first needs the supporting template, and the concrete wall cast finishes, treat that concrete reaches certain intensity, again template is dismantled, at this moment do wall thermal insulating again, make the method that connects that sticks with glue usually, warming plate is sticked on the body of wall, or adopt steel wire or other materials that the mode on the body of wall is followed closely, hung over to warming plate.After the PROCESS FOR TREATMENT through the multiple tracks complexity, do outer the decoration again.The heat preservation method of this cast-in-situ concrete and body of wall thereof, the work progress complexity, speed is slow and body of wall is easy to crack, hollowing.Insulation, heat-proof quality is relatively poor, and the cost height is long in time limit, the application life of body of wall is generally in 20～30 years, quality problems will occur, and produce maintenance cost, and the application life of building is generally in 50～70 years, the life-span in body of wall and house will be asynchronous like this, quality problems such as external surface of buildings ftractures, peels off take place in the design life of being everlasting, do not reach good heat insulation effect and influence attractive in appearance, in repair procedures, also can produce a large amount of building wastes, contaminated environment.
Building envelope is because of the needs of building structure aseismatic and architectural design, the exterior wall of being everlasting is provided with reinforced concrete beam, post, outer member and the hardware chosen such as stringcourse, protruding (wafing) window, canopy, these positions are under the effect of indoor/outdoor temperature-difference, form the zone that hot-fluid is intensive relatively, internal surface temperature is lower, these positions become the more bridge that conducts heat, so claim heat bridge.The heat bridge position is serious heat loss not only, the more important thing is its inner surface under certain condition steam will condense in its surface, form condensate water, if condensate water is detained for a long time and can not be distributed as early as possible, the materials such as dust of heat bridge inner surface in the middle of will absorbed air, and moist inner surface is very easily bred mould and other microorganisms, cause that the house inner wall face is mouldy, phenomenon becomes mildewed, the normal use and the durability of building have not only been influenced, and indoor living environment had direct influence, directly endanger people's physical and mental health.Therefore, the insulation processing to the heat bridge position seems particularly important.
Summary of the invention
The technical problem to be solved in the present invention provides the heat bridge dispersive built-in heat insulation concrete structural system of the well suited insulation outside external wall of house of a kind of thermal and insulating performance.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Comprise the load-bearing concrete deck from inside to outside; adiabator layer; concrete cover; in described load-bearing concrete deck and concrete cover, be respectively equipped with at least one row's longitudinal reinforcement; adiabator layer is fixed between load-bearing concrete deck and the concrete cover; vertical direction and horizontal direction along adiabator layer are provided with reserving hole at a certain distance; have at least a transverse reinforcement to fixedly connected with the longitudinal reinforcement in the concrete cover in the described reserving hole with the load-bearing concrete deck; this transverse reinforcement sockets bridge with the concrete formation of building in reserving hole, is fixed with the inside thermal conservation material layer that is slightly larger than the reserving hole sectional area in the inboard of the load-bearing concrete deck corresponding with the adiabator layer reserving hole.
Described insulation layer and local inner thermal insulating layer are made by the XPS warming plate.
Described reserving hole is a square, or is rectangle, or is circular, or is oval.
The described horizontal spacing that draws reserving hole to arrange is 1000～1500mm, and longitudinal pitch is 1000～1500mm.
Described reserving hole sectional area is 44～57cm
2
Described thickness of concrete cover is 45～55mm, and its intensity is not less than C25.
The thickness of described load-bearing concrete deck, concrete strength, reinforcing bar configuration design by the technical standard among the current national codes GB50204.
Described XPS warming plate thickness designs by the power-saving technology standard among local climate condition and/or the current national codes GB50411.
The stage of construction of above-mentioned heat bridge dispersive built-in heat insulation concrete structural system is as follows:
(1) according to drawing design and/or job specfication regulation colligation load-carrying members layer reinforcing bar;
(2) at the arranged outside adiabator layer of described load-carrying members layer reinforcing bar, warming plate is installed in adiabator layer or is loaded heat insulating material, on adiabator layer, disperse to stay the reserving hole of establishing some, be used to socket the formation of bridge, described preformed hole sectional area sum is 0.3～0.6% of a corresponding wall area;
(3) at the colligation of the outside of adiabator layer position, installation topping reinforcing bar;
(4) wear the reinforcing bar that sockets of some in each reserving hole, and make and socket reinforcing bar and fixedly connected respectively with topping reinforcing bar, load-carrying members reinforcing bar;
(5) on the position of inboard corresponding to the adiabator layer reserving hole of described load-carrying members layer reinforcing bar, the inside thermal conservation material layer that an area is slightly larger than the reserving hole sectional area is set;
(6) the medial and lateral template is installed;
(7) cavity of adiabator layer medial and lateral carries out concreting simultaneously;
(8) after concrete setting all reaches technical standard among the current national codes GB50204, remove the medial and lateral template, and carry out maintenance.
Described adiabator layer and/or inside thermal conservation material layer are the XPS warming plate, and support is all done with the precast concrete cushion block in XPS warming plate medial and lateral.
The spacing of described reserving hole designs according to the structure technology standard among local wind load value and/or the current national codes GB50017 with the configuration that sockets reinforcing bar.
The present invention has actively useful effect:
1. being connected between load-bearing concrete structure and the topping adopts the bridging that sockets that disperses to connect mode; the heat bridge effect that can make inside and outside layer socket bridge disperses; the heat transfer of balance architectural exterior-protecting construction; the thermal transmittance of controlling each ingredient is close; the heat transfer that guarantees each position is even, thereby reduces to connect the influence of heat bridge to heat insulation effect.
2. each sockets the load-bearing concrete deck inboard of bridge correspondence in the present invention, and corresponding adiabator layer is set, and has further reduced to socket the heat bridge effect influence at bridge place.
3. thermal and insulating performance of the present invention has reached the energy-conservation requirement of national regulation, can enlarge living space more than 8%, reduce building debris, also solved hidden danger such as generally adopt exterior wall is pasted, plug-in insulation layer technology produces easy crack, hollowing, seepage at present, come off, numerous advantages such as union insulation, antidetonation, environmental protection, short construction period, technology maturation advanced person, cost are low, be applicable to the various forms of dwelling constructions in cities and towns, have good social benefit and economic benefit.
4. the present invention also further proposes to adopt extrusion moulding type polyphenyl plate (XPS plate) to replace expansion polyphenyl plate (EPS plate) thereby improves warming plate self structure rigidity, the excessive warming plate cracking that causes of lateral pressure and the technical barrier of distortion in the time of effectively avoiding concreting; The XPS warming plate is placed the exterior wall inside concrete when the concreting, can effectively guarantee heat insulation system safe in utilization (can with the same life-span of structure, and the life-span of existing external external insulation system be 25 years).
5. the present invention can effectively solve in the wall face built-in heat insulation layer structure construction template position control, how two-sided building guarantees construction difficult problems such as structure is closely knit, defectives such as the concrete density that can avoid the traditional handicraft construction to cause is poor, the control of concrete panel structural thickness is bad, the member globality of building moulding is good, can effectively guarantee the inherent quality and the appearance effect of structure.
6. the present invention has further proposed the method for outside employing precast concrete cushion block control warming plate outside protective layer thickness in the warming plate, is convenient to build, and has increased the bonding strength of warming plate and load-bearing concrete deck.
Description of drawings
Fig. 1 is a kind of cross-sectional view (A-A cross-section structure) of heat bridge dispersive built-in heat insulation concrete structural system;
Fig. 2 is an XPS warming plate through hole distribution schematic diagram in a kind of heat bridge dispersive built-in heat insulation concrete structural system.
1 is the load-bearing concrete deck among the figure, and 2 is adiabator layer, and 3 is concrete cover, and 4 for socketing bridge, and 5 socket reinforcing bar for socketing bridge, and 6 is the topping reinforcing bar, 7 load-carrying members reinforcing bars, and 8 is the inside thermal conservation material layer, 9 is reserving hole.
The specific embodiment
1 one kinds of heat bridge dispersive built-in heat insulation concrete structural systems of embodiment; referring to Fig. 1; Fig. 2; comprise load-bearing concrete deck 1 from inside to outside; adiabator layer (XPS warming plate) 2; concrete cover 3; concrete cover 3 (thickness 50mm); its intensity is not less than C25; the bridge 4 that sockets that passes XPS warming plate 2 reserving holes 9 of the some by dispersed placement between described load-bearing concrete deck 1 and the concrete cover 3 is connected; the horizontal spacing of reserving hole 9 dispersed placement is 1000～1500mm; longitudinal pitch is 1000～1500mm; reserving hole 9 cross sections are circular (Φ 80mm); the area sum in all reserving hole 9 cross sections accounts for 0.3～0.6% of corresponding wall area; be provided with inside thermal conservation material layer (the square XPS warming plate that can block reserving hole in load-bearing concrete layer 1 inboard; length of side 120mm, thick 20mm) 8.The thickness of above-mentioned load-bearing concrete deck 1, concrete strength, reinforcing bar configuration design by the technical standard among the current national codes GB50204.
The construction method of above-mentioned heat bridge dispersive built-in heat insulation concrete structural system:
(1) according to drawing design, job specfication regulation colligation load-carrying members reinforcing bar 7;
(2) preparing to stay the reserving hole 9 of establishing vertical, horizontal spacing 1000～1500mm on the XPS warming plate of installing 2, referring to Fig. 2;
(3) the XPS warming plate that will have a reserving hole 9 by subregion branch block-by-block is numbered installation in place according to planar design, the XPS warming plate is positioned at the outside of bearing wall structure reinforcing bars 7, when warming plate is installed, adopt the piece between gluing or the adjacent warming plate of rubber belt sealing, all support inside and outside the warming plate with concrete pad;
(4) carry out topping reinforcing bar 6 and the installation that sockets reinforcing bar 5, wherein wear two in each preformed hole 9 and socket reinforcing bar, socket reinforcing bar 5 and fixedly connected respectively with topping reinforcing bar 6, load-carrying members reinforcing bar 7;
(5) with the corresponding load-bearing concrete layer of each adiabator layer reserving hole 1 inboard, one 120 * 120 * 20 XPS warming plate 8 is set;
(6) interior outboard template is installed, an end of medial support contacts with the XPS warming plate, and its other end contacts with inner side template, and the end that the outside is supported contacts with the XPS warming plate, and its other end contacts with outboard template;
(7) cavity of insulation layer medial and lateral carries out concreting simultaneously;
(8) outboard template and concrete curing concrete are removed the medial and lateral template after solidifying the technical standard that reaches among the current national codes GB50204 in the dismounting, and carry out maintenance.
Change each the concrete parameter in the foregoing description, can form a plurality of specific embodiments, be common excursion of the present invention, describe in detail no longer one by one at this.
Claims (5)
1. heat bridge dispersive built-in heat insulation concrete structural system; comprise the load-bearing concrete deck from inside to outside; adiabator layer; concrete cover; it is characterized in that; in described load-bearing concrete deck and concrete cover, be respectively equipped with at least one row's longitudinal reinforcement; adiabator layer is fixed between load-bearing concrete deck and the concrete cover; vertical direction and horizontal direction along adiabator layer are provided with reserving hole at a certain distance; have at least a transverse reinforcement to fixedly connected with the longitudinal reinforcement in the concrete cover in the described reserving hole with the load-bearing concrete deck; this transverse reinforcement sockets bridge with the concrete formation of building in reserving hole, is fixed with the inside thermal conservation material layer that area is slightly larger than the reserving hole sectional area in the inboard of the load-bearing concrete deck corresponding with the adiabator layer reserving hole.
2. heat bridge dispersive built-in heat insulation concrete structural system according to claim 1 is characterized in that, described adiabator layer and inside thermal conservation material layer are made by the XPS warming plate.
3. heat bridge dispersive built-in heat insulation concrete structural system according to claim 2 is characterized in that, described reserving hole is a square, or is rectangle, or is circular, or is oval.
4. heat bridge dispersive built-in heat insulation concrete structural system according to claim 3 is characterized in that, the horizontal spacing of described reserving hole is 1000～1500mm, and longitudinal pitch is 1000～1500mm.
5. heat bridge dispersive built-in heat insulation concrete structural system according to claim 4 is characterized in that, described reserving hole sectional area is 44～57cm
2
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101318117A CN101787747B (en) | 2010-03-25 | 2010-03-25 | Heat bridge dispersive built-in heat insulation concrete structural system |
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| CN2010101318117A CN101787747B (en) | 2010-03-25 | 2010-03-25 | Heat bridge dispersive built-in heat insulation concrete structural system |
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| CN101787747A CN101787747A (en) | 2010-07-28 |
| CN101787747B true CN101787747B (en) | 2011-12-14 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704588A (en) * | 2012-06-15 | 2012-10-03 | 吴方伯 | Cast-in-place heat preservation beam, column or shear wall |
| CN102808462B (en) * | 2012-09-04 | 2016-01-20 | 吴方伯 | A kind of cast-in-situ heat preservation shear wall, post, beam |
| CN103967269B (en) * | 2013-01-24 | 2016-06-15 | 青岛玮玛固得新材料科技有限公司 | A kind of armored concrete permanent thermal insulation composite shuttering and construction method thereof |
| CN103806548A (en) * | 2014-01-02 | 2014-05-21 | 吴方伯 | Construction method of heat-preservation beam or pillar or wall |
Citations (2)
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|---|---|---|---|---|
| CN2054056U (en) * | 1989-07-25 | 1990-03-07 | 北京市建筑工程研究所 | Internal thermal insulation outwall with internal mortar finishing surface |
| CN2793184Y (en) * | 2005-05-06 | 2006-07-05 | 魏铁成 | External thermal-insulative board of external wall |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009127320A (en) * | 2007-11-26 | 2009-06-11 | Yoshiyuki Hayakawa | External facing material and external thermal insulation method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054056U (en) * | 1989-07-25 | 1990-03-07 | 北京市建筑工程研究所 | Internal thermal insulation outwall with internal mortar finishing surface |
| CN2793184Y (en) * | 2005-05-06 | 2006-07-05 | 魏铁成 | External thermal-insulative board of external wall |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2009-127320A 2009.06.11 |
| 张源,何嘉鹏,高寿云,孙伟民,周挺,陈震.内插保温层混凝土空心砌块的热工性能与经济性分析.《建筑科学》.2008,第24卷(第1期), * |
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