阅读说明：本技术 超低能耗建筑独立基础断热桥保温粘贴结构及施工方法 (Heat-insulation pasting structure of heat-insulation bridge of independent foundation of ultra-low energy consumption building and construction method ) 是由 赵艺蒙 张应杰 董爱 眭佳明 李斌 温耀琦 雷远德 于 2019-10-09 设计创作，主要内容包括：超低能耗建筑独立基础断热桥保温粘贴结构及施工方法,涉及超低能耗建筑施工领域,超低能耗建筑独立基础断热桥保温粘贴结构包括独立基础,及粘贴在独立基础表面的断热桥保温层；独立基础包括矩阵布置的结构柱,设置在结构柱下的承台,及纵、横向设置在承台之间的地梁；断热桥保温层包括由内至外依次铺设的3mm厚火烤型聚酯胎SBS防水卷材层,200mm厚XPS板保温层,20mm厚水泥砂浆保护层,3mm厚自粘型聚酯胎SBS防水卷材层,4mm厚火烤型聚酯胎SBS防水卷材层,50mm厚EPS板保护层；本发明解决针对独立基础类型的被动房基础保温施工中,无法在考虑混凝土构件导热性能以及室内外的热环境因素的同时,有效隔绝独立基础结构的热传递的问题。(An ultra-low energy consumption building independent foundation heat-insulation bridge-breaking heat-insulation pasting structure and a construction method relate to the field of ultra-low energy consumption building construction, and the ultra-low energy consumption building independent foundation heat-insulation bridge-breaking heat-insulation pasting structure comprises an independent foundation and a heat-insulation bridge-breaking heat-insulation layer pasted on the surface of the independent foundation; the independent foundation comprises structural columns arranged in a matrix manner, bearing platforms arranged below the structural columns, and ground beams arranged between the bearing platforms in a longitudinal and transverse manner; the heat-insulating bridge layer comprises a 3 mm-thick fire-baking type polyester tire SBS waterproof roll layer, a 200 mm-thick XPS plate heat-insulating layer, a 20 mm-thick cement mortar protective layer, a 3 mm-thick self-adhesive type polyester tire SBS waterproof roll layer, a 4 mm-thick fire-baking type polyester tire SBS waterproof roll layer and a 50 mm-thick EPS plate protective layer which are sequentially laid from inside to outside; the invention solves the problem that the heat transfer of an independent foundation structure can not be effectively isolated while the heat-conducting property of a concrete member and indoor and outdoor thermal environment factors are considered in the passive house foundation heat-insulation construction of the independent foundation type.)

1. Structure is pasted in heat preservation of independent basic disconnected heat bridge of ultralow energy consumption building, its characterized in that: comprises an independent foundation and a heat-insulating bridge layer adhered to the surface of the independent foundation;

the independent foundation comprises structural columns (1) arranged in a matrix manner, bearing platforms (2) arranged below the structural columns, and ground beams (3) arranged between the bearing platforms in a longitudinal and transverse manner;

the heat-insulating bridge layer comprises a 3 mm-thick fire-baking type polyester tire SBS waterproof roll material layer (4), a 200 mm-thick XPS plate heat-insulating layer (5), a 20 mm-thick cement mortar protective layer (6), a 3 mm-thick self-adhesive type polyester tire SBS waterproof roll material layer (7), a 4 mm-thick fire-baking type polyester tire SBS waterproof roll material layer (4) and a 50 mm-thick EPS plate protective layer (8) which are laid in sequence from inside to outside;

the structure is pasted in disconnected heat bridge heat preservation of junctional node department between cushion cap and the structure post, C20 pea gravel concrete platform (9) have been pour on the cushion cap slope, C20 pea gravel concrete platform top surface level, disconnected heat bridge heat preservation is laid between structure post side and C20 pea gravel concrete platform top surface, the height of pasting of disconnected heat bridge heat preservation on the structure post is 700mm, it is 200mm to paste the width on C20 pea gravel concrete platform top surface, the outer lane of the disconnected heat bridge heat preservation of pasting on C20 pea gravel concrete platform top surface is sealed through sealing material (10).

2. The ultra-low energy consumption building independent foundation heat-insulating bridge pasting structure as claimed in claim 1, wherein: the XPS board heat preservation is upper and lower two-layer for staggered arrangement, and the individual layer thickness is 100 mm.

3. The ultra-low energy consumption building independent foundation heat-insulating bridge pasting structure as claimed in claim 1, wherein: the broken heat bridge heat preservation pasting structure at the outer ring ground beam is characterized in that a broken heat bridge heat preservation layer is paved on the bottom surface of the ground beam and retaining walls on two sides, the paving height of the broken heat bridge heat preservation layer on the indoor side is 1000mm, and the paving height of the broken heat bridge heat preservation layer on the outdoor side is 1500 mm.

4. The ultra-low energy consumption building independent foundation heat-insulating bridge pasting structure as claimed in claim 1, wherein: the heat-insulation sticking structure for the heat-insulation bridge is characterized in that the heat-insulation sticking structure for the heat-insulation bridge is stuck at the node of the cross-shaped ground beams at four sides of the indoor structural column, the heat-insulation bridge layer is stuck between the outer side surfaces of the retaining walls of the adjacent ground beams, and the extension length of the heat-insulation bridge layer along the side surfaces of the structural column to the four sides is 1000.

5. The ultra-low energy consumption building independent foundation heat-insulating bridge pasting structure as claimed in claim 1, wherein: the independent foundation is above the ground, and comprises a fire-baking type polyester tire SBS waterproof roll layer (7) which is laid from bottom to top and is 4mm thick, a fire-baking type polyester tire SBS waterproof roll layer (4) which is 3mm thick, an XPS plate heat-insulating layer (5) which is 200mm thick, a polyvinyl chloride plastic film layer which is 0.4mm thick and a concrete protective layer.

6. The construction method of the heat-insulating pasting structure of the heat-insulating bridge of the independent foundation of the ultra-low energy consumption building as claimed in claim 1 is characterized by comprising the following steps:

step one, constructing an independent foundation;

secondly, pouring a C20 fine-stone concrete platform with a horizontal top surface on the slope surface of the bearing platform, and pouring a C20 fine-stone concrete platform to the bottom of the ground beam;

thirdly, laying a thermal insulation layer of the heat-insulating bridge at the joint between the side surface of the structural column and the top surface of the C20 fine-stone concrete platform;

fourthly, paving heat-insulating layers of the heat-insulating bridge on the bottom surface and the retaining walls on the two sides of the outer ring ground beam;

step five, pasting a thermal bridge insulation layer on the outer side surface of a retaining wall of the cross-shaped ground beams on four sides of the indoor structural column;

sixthly, constructing room core backfill and a ground cushion layer;

step seven, a fire-curing type polyester tire SBS waterproof roll layer with the thickness of 4mm, a fire-curing type polyester tire SBS waterproof roll layer with the thickness of 3mm, an XPS plate heat insulation layer (5) with the thickness of 200mm, a polyvinyl chloride plastic film layer with the thickness of 0.4mm and a concrete protection layer are sequentially laid on the ground above the independent foundation from bottom to top;

and step eight, pouring a foundation ground protective layer.

7. The construction method according to claim 6, characterized in that:

in the third step, the laying step of the heat insulation layer of the heat-insulating bridge is as follows:

step a, paving a fire-cured type polyester tire SBS waterproof coil layer with the thickness of 4mm between the side surface of the structural column and the top surface of the C20 fine-stone concrete platform;

b, paving two XPS plate heat-insulating layers on a fire-baking type polyester tire SBS waterproof coil layer with the thickness of 4mm in a staggered mode;

step c, paving a cement mortar protective layer with the thickness of 20mm on the XPS plate heat-insulating layer, wherein the XPS plate heat-insulating layer is wrapped in a sealing manner by the cement mortar protective layer;

d, paving a self-adhesive polyester tire SBS waterproof roll layer with the thickness of 4mm on the cement mortar protective layer, and paving a self-adhesive polyester tire SBS waterproof roll layer with the thickness of 3mm on the cement mortar protective layer;

e, paving a fire-baking type polyester tire SBS waterproof roll layer with the thickness of 4mm on the self-adhesion type polyester tire SBS waterproof roll layer;

and f, finally, paving a 50mm thick EPS board protective layer on the fire-baking type polyester tire SBS waterproof roll material layer.

Technical Field

The invention relates to the field of construction of ultra-low energy consumption buildings, in particular to a heat-insulating pasting structure of an independent foundation heat-insulating bridge of an ultra-low energy consumption building and a construction method.

Background

As a new type of energy-saving buildings, the ultra-low energy consumption and low energy consumption buildings have obvious advantages in the aspects of energy conservation, emission reduction and coping with climate change in the face of increasingly serious energy crisis and environmental pollution. The construction method of the ultralow-energy-consumption building in the conventional roof system, the external wall system and the whole bottom plate part is mature, the conventional passive low-energy-consumption building is generally provided with a basement structure or a foundation bottom plate structure, the large plane is adopted during heat preservation construction, the foundation heat preservation construction is simple and convenient, the passive house foundation heat preservation construction aiming at the independent foundation type is complex, the difficulty coefficient is large, and the research on the heat-insulation bridge heat preservation structure of the independent foundation is not related.

Disclosure of Invention

The invention aims to provide a heat-insulation pasting structure of an independent foundation heat-insulation bridge of an ultra-low energy consumption building and a construction method, and solves the problem that the heat transfer of the independent foundation structure cannot be effectively isolated while the heat-conducting performance of a concrete member and indoor and outdoor thermal environment factors are considered in the heat-insulation construction of the independent foundation type passive house foundation.

In order to achieve the purpose, the invention adopts the following technical scheme:

the heat-insulation sticking structure for the heat-insulation bridge of the independent foundation of the ultra-low energy consumption building comprises the independent foundation and the heat-insulation bridge layer stuck on the surface of the independent foundation; the independent foundation comprises structural columns arranged in a matrix manner, bearing platforms arranged below the structural columns, and ground beams arranged between the bearing platforms in a longitudinal and transverse manner; the heat-insulating bridge layer comprises a 3 mm-thick fire-baking type polyester tire SBS waterproof roll layer, a 200 mm-thick XPS plate heat-insulating layer, a 20 mm-thick cement mortar protective layer, a 3 mm-thick self-adhesive type polyester tire SBS waterproof roll layer, a 4 mm-thick fire-baking type polyester tire SBS waterproof roll layer and a 50 mm-thick EPS plate protective layer which are sequentially laid from inside to outside; the structure is pasted in disconnected heat bridge heat preservation of junctional node department between cushion cap and the structure post, it has C20 pea gravel concreten platform to pour on the cushion cap slope, C20 pea gravel concreten platform top surface level, disconnected heat bridge heat preservation is laid between structure post side and C20 pea gravel concreten platform top surface, it is 700mm to paste the height of disconnected heat bridge heat preservation on the structure post, it is 200mm to paste the width on C20 pea gravel concreten platform top surface, the outer lane of the disconnected heat bridge heat preservation of pasting on C20 pea gravel concreten platform top surface is sealed through sealing material.

Furthermore, the XPS board heat preservation layer is upper and lower two-layer for staggered arrangement, and the individual layer thickness is 100 mm.

Further, the broken heat bridge heat preservation pasting structure at the outer ring ground beam is characterized in that the broken heat bridge heat preservation layers are paved on the bottom surface of the ground beam and the retaining walls on the two sides, the paving height of the broken heat bridge heat preservation layer on the indoor side is 1000mm, and the paving height of the broken heat bridge heat preservation layer on the outdoor side is 1500 mm.

Furthermore, the heat-insulation sticking structure for the heat-insulation bridge is stuck at the node of the cross-shaped ground beams on four sides of the indoor structural column, the heat-insulation bridge layer is stuck between the outer side surfaces of the retaining walls of the adjacent ground beams, and the extension length of the heat-insulation bridge layer along the side surface of the structural column to the four sides is 1000 mm.

Furthermore, a fire-curing type polyester tire SBS waterproof roll layer with the thickness of 4mm, a fire-curing type polyester tire SBS waterproof roll layer with the thickness of 3mm, an XPS plate heat preservation layer with the thickness of 200mm, a polyvinyl chloride plastic film layer with the thickness of 0.4mm and a concrete protection layer are sequentially paved on the ground above the independent foundation from bottom to top.

The construction method for applying the heat-insulating pasting structure of the heat-insulating bridge of the independent foundation of the ultra-low energy consumption building comprises the following steps:

step one, constructing an independent foundation.

And step two, pouring a C20 fine aggregate concrete platform with a horizontal top surface on the slope surface of the bearing platform, and pouring a C20 fine aggregate concrete platform to the bottom of the ground beam.

And thirdly, laying a thermal-bridge-cutoff heat-insulating layer at the joint between the side surface of the structural column and the top surface of the C20 fine-stone concrete platform.

And fourthly, paving thermal-bridge-cutoff heat-insulating layers on the bottom surface and the retaining walls on the two sides of the outer ring ground beam.

And fifthly, pasting a thermal bridge insulation layer on the outer side surface of the retaining wall of the cross-shaped ground beams on the four sides of the indoor structural column.

And sixthly, building room core backfill and ground cushion layer construction.

And step seven, sequentially laying a fire-curing type polyester tire SBS waterproof roll layer with the thickness of 4mm, a fire-curing type polyester tire SBS waterproof roll layer with the thickness of 3mm, an XPS plate heat insulation layer with the thickness of 200mm, a polyvinyl chloride plastic film layer with the thickness of 0.4mm and a concrete protection layer on the ground above the independent foundation from bottom to top.

And step eight, pouring a foundation ground protective layer.

Further, in the third step, the laying step of the heat insulation layer of the heat-insulating bridge is as follows:

step a, firstly, paving a fire-baking type polyester tire SBS waterproof coil layer with the thickness of 4mm between the side surface of the structural column and the top surface of the C20 fine-stone concrete platform.

And b, paving two XPS plate heat-insulating layers on the fire-baking type polyester tire SBS waterproof roll material layer with the thickness of 4mm in a staggered mode.

And c, paving a cement mortar protective layer with the thickness of 20mm on the XPS plate heat-insulating layer, and sealing and wrapping the XPS plate heat-insulating layer by using the cement mortar protective layer.

And d, paving a self-adhesive polyester tire SBS waterproof roll layer with the thickness of 4mm on the cement mortar protective layer, and paving a self-adhesive polyester tire SBS waterproof roll layer with the thickness of 3mm on the cement mortar protective layer.

And e, paving a fire-baking type polyester tire SBS waterproof roll layer with the thickness of 4mm on the self-adhesion type polyester tire SBS waterproof roll layer.

And f, finally, paving a 50mm thick EPS board protective layer on the fire-baking type polyester tire SBS waterproof roll material layer.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the heat-insulating bridge insulation layer consisting of the fire-baking type polyester tire SBS waterproof roll layer with the thickness of 3mm, the XPS plate insulation layer with the thickness of 200mm, the cement mortar protection layer with the thickness of 20mm, the self-adhesive type polyester tire SBS waterproof roll layer, the fire-baking type polyester tire SBS waterproof roll layer and the EPS plate protection layer with the thickness of 50mm is sequentially laid at each insulation node such as the connecting node between the bearing platform and the structural column on the independent foundation, the outer ring ground beam, the cross-shaped ground beam nodes on four sides of the indoor structural column and the like from inside to outside, so that the heat transfer of the independent foundation structure can be effectively isolated while the heat-conducting performance of the concrete member and the indoor and outdoor thermal environment factors are considered, the construction is simple and convenient, and the application range of the.

Drawings

FIG. 1 is an elevation view of a heat-insulating and adhering structure of a heat-insulating bridge at a connecting node between a bearing platform and a structural column on an independent foundation.

FIG. 2 is a vertical view of a broken heat bridge heat preservation pasting structure at an outer ring ground beam on an independent foundation.

Fig. 3 is a plan view of a heat-insulation and adhesion structure of a heat-breaking bridge at the cross-shaped ground beam nodes on four sides of an indoor structural column on an independent foundation.

FIG. 4 is an elevation view of a heat-insulating and bonding structure of a broken heat bridge on the ground above an independent foundation.

Reference numerals: 1-structural column, 2-bearing platform, 3-ground beam, 4-fire-baking type polyester tire SBS waterproof coiled material layer, 5-XPS plate heat insulation layer, 6-cement mortar protective layer, 7-self-adhesive type polyester tire SBS waterproof coiled material layer, 8-EPS plate protective layer, 9-C20 fine stone concrete platform, 10-sealing material, 11-plain soil layer, 12-C15 concrete layer, 13-polyvinyl chloride plastic film layer, 14-concrete protective layer, 15-skirting board, 16-thick steel plate, 17-gravel cushion layer and 18-gravel pile layer.

Detailed Description

The heat-insulation pasting structure of the heat-insulation bridge of the independent foundation of the ultra-low energy consumption building comprises the independent foundation and the heat-insulation bridge layer pasted on the surface of the independent foundation; the independent foundation comprises structural columns 1 arranged in a matrix manner, bearing platforms 2 arranged below the structural columns, and ground beams 3 arranged between the bearing platforms in a longitudinal and transverse manner; the heat-insulating bridge layer comprises a fire-baking type polyester tire SBS waterproof roll material layer 4 with the thickness of 4mm, an XPS plate heat-insulating layer 5 with the thickness of 200mm, a cement mortar protective layer 6 with the thickness of 20mm, a self-adhesive type polyester tire SBS waterproof roll material layer 7, a fire-baking type polyester tire SBS waterproof roll material layer 4 with the thickness of 4mm and an EPS plate protective layer 8 with the thickness of 50mm which are sequentially laid from outside to inside; the XPS board heat preservation is upper and lower two-layer for staggered arrangement, and the individual layer thickness is 100 mm.