How many routes to the center of Chengdu east railway station
bus line: No.137, about 6.9km in the whole journey
1. Walk about 900m from Cheng east station to the North inner station of the fifth section of the East Third Ring Road
2. Take No.137, pass 11 stops and arrive at the East passenger transport center station
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2. It should be detected at the place where it is full of adhesive, not at the place where it is semi adhesive or without adhesive
3. Extruded boards are not allowed to be used now, and the fire rating does not meet the requirements
4. In practical application, there is no formal standard for the extruded sheet system, and few of them really meet the requirements; Especially in the insulation layer interface damage is difficult to achieve.
external wall insulation board is made of polymer mortar, fiberglass mesh cloth, flame retardant molded polystyrene foam board (EPS) or extruded plastic board (XPS) and other materials, which integrates thermal insulation, waterproof and finishing functions.
proct usage
external wall external insulation
basement roof insulation
external management of thermal bridge part of non external wall thermal insulation wall
construction requirements of external wall thermal insulation composite decorative board
I. construction conditions
1. The base wall shall meet the requirements of code for acceptance of construction quality of concrete structure engineering (GB 50204-2002) According to the requirements of code for acceptance of construction quality of bottom laying engineering (GB 50203-2002), when the flatness of the base wall does not meet the requirements, 1:3 cement mortar can be used for leveling, and the leveling can be carried out after the base construction acceptance and the installation of door and window frames and attached pipeline equipment
2. The ambient temperature ring construction should not be lower than 5 ℃, and the wind force should not be greater than 5. Construction should not be carried out in rainy days without protective measures
II. Construction process
see the construction flow chart. The process flow is suitable for the exterior wall coating finishing layer, which includes full putty, grinding and painting. In order to facilitate operation and rece wet operation on site, the finishing layer can be carried out before pasting the insulation board< 3. Key points of construction 1. General regulations 1. This regulation is applicable to the acceptance of insulation board pasting project. The quality acceptance of the facing layer shall be carried out according to the acceptance provisions of the code for acceptance of Building Decoration Engineering (GB 50201-2001)< The following documents and records should be checked ring project acceptance:
(1) construction drawing, design description and other design documents of insulation board project
(2) material and proct certificate, performance test report, site acceptance record and re inspection report
(3) test report on bonding strength of insulation board sample parts< (4) acceptance report of concealed works
(5) construction records, quality inspection and evaluation records< (1) setting time, installability and compressive strength of cement for bonding
(2) water absorption, frost resistance and impact resistance of insulation board
4. The following concealed items should be accepted in the insulation board pasting project:
(1) base treatment
(2) bonding point and bonding area between slab and base course
(3) anchor installation
5. Before and ring the construction of the insulation board, the sample parts should be made on the same base, and the bonding strength of the insulation board of the sample parts should be inspected, and the inspection method should refer to the "inspection standard for the bonding strength of building engineering facing bricks" (jgj110-1997).
Test method: the broken joint shall be cut 2 to 3 days before the bond strength test, and the broken joint shall be cut from the surface of facing brick to the surface of substrate with the same depth
the drawing time is determined according to the ambient temperature or the curing time of the bonding mortar. Of course, when the strength reaches the maximum and before the surface decoration of the insulation board. The test time limit is not given in the code for quality acceptance of building energy efficiency engineering (GB 50411-2007)
features of external wall thermal insulation board
1, thermal insulation, energy saving, waterproof, decoration in one
2. Factory proction and stable proct quality
It has the advantages of simple construction, one-time operation, short cycle, high efficiency and less wet operation The surface layer can be made with various colors and patterns according to the design requirements It has wide application scope and low comprehensive construction cost6
you can see the T-shaped test report
What are their test results
just follow this standard
Test method: the broken joint shall be cut 2 to 3 days before the bond strength test, and the broken joint shall be cut from the surface of facing brick to the surface of substrate with the same depth
The drawing time is determined according to the ambient temperature or the curing time of bonding mortar. Of course, when the strength reaches the maximum and before the surface decoration of the insulation board. The test time limit is not given in the code for quality acceptance of building energy efficiency engineering (GB 50411-2007)the pull-out test of external wall insulation is done after the grid cloth is hung. The pull-out test of external wall brick is done after the external wall brick is pasted. The number of drawing points of external wall insulation is determined according to the area. Generally, one point is 800 square meters, and there are no less than three points in a building
extended data:
construction conditions
1. The base wall should meet the requirements of code for acceptance of construction quality of concrete structures (GB 50204-2002) and code for acceptance of construction quality of bottom laying engineering (GB 50203-2002). When the flatness of the base wall does not meet the requirements, 1:3 cement mortar can be used for leveling, After the base construction acceptance is completed, the door and window frames and the attached pipeline equipment are installed in place
The ambient temperature should not be lower than 5 ℃ and the wind force should not be higher than 5. The construction should not be carried out in rainy days without protective measures