Specifications

1.Certificate:ISO9001:2000
2.Sizes:up to the customers
3.DeliveryTerm:within 7days

Sales Manager: Danny

Mobile Phone: 0086 15075828982

Tel: +86 3187091666

Fax: +86 3187952199

Website: /

Companies: CHINA BAOLI GROUP
Address: No.1888 Heping West Road, Hengshui City, Hebei Province, China.

Description of Building Expansion Joint: 
      Building Expansion Joint system comprises of 8 NO. Standard models designed to accommodate movement up to
330mm by shear deformation of the elastomer between the steel components. Each model of our Building Expansion Joint incorporates steel angles designed to be bolted to the structural deck and a steel bridging plate system which spans the open joint gap. The elastomer case is highly resistant to oils, solvent spillage and the trafficked surface includes an anti-skid pattern for safety having a rubber to rubber coefficient of static friction of 0.69. Each model of our  Building Expansion Joint is specifically designed to accommodate horizontal and skew movement and will also accommodate vertical movement due to rotation of up to 6mm.

Features of Building Expansion Joint:
       As one of the company’s main series of products, our rubber expansion joint stands most competitive position
in the domestic & abroad markets of same industry by its convenient installation, stable running, waterproof, dustproof,
little noise, light weight, and low cost and other features.

    Building Expansion Joint is the flexible transformation when using high elasticity to adapt the change of temperature. And our Building  Expansion Joint got good reputation of bridge engineering by its convenient installation, stable running, waterproof, dustproof, little noise, light weight, and low cost and other features. 

Application of Building Expansion Joint:
     Building Expansion Joint is used in Highway bridge decks, Service ramps, Multi- storey car parks and so on. 
 Building Expansion Joint is used to prevent buildings or bridges appear some cracks because of climate change.

Construction programs of Building Expansion Joint:
(1) Set out and cut Building Expansion Joint.
(2) Excavate and clean the Building Expansion Joint area.
(3) Drill holes to locate the anchor bolts.
(4) Place the rebar mat and mold.
(5) Pour bottom concrete layer.
(6) Install comb-shaped steel plate.
(7) Pour side concrete.
(8) Maintenance the Building Expansion Joint.

Types of Building expansion joint:
1. Modular Building Expansion Joint
2. SGF series Building Expansion Joint
3. TST bridge Building expansion joint
4. TST seamless Building Expansion Joint
5. Steel finger Building Expansion Joint
The whole requirements of building expansion joint.

Items	Rubber
	Plate-type	Combined type
1. Max horizontal frictional resistance of expansion and compression (KN/m)	<18	≤8
2. Max vertical deviation or deformation of expansion and compression	-3-3	-2-2

The dimensional deviation of building expansion joints

Length Range	Deviation	Width Range	Deviation	Thickness Range	Deviation	The hole distance of the screw L1deviation
L=1000	-1,+2	α≤80	-2.0,+1.0	t≤80	-1.0,+1.8	<1.5
		80<α≤240	-1.5,+2.0	t>80	-1.5,+2.3
		α>240	-2.0,+2.0	-	-
Note: (Width Range) Positive deviation is used in the top of the expansion and contraction body, negative deviation is used in the bottom of the expansion and contraction body.

The appearance quality of the building expansion joints and sealed belts.

Name of defects	Quality standard
Skeleton steel exposed	Not allowed
Steel plate with crack or peel	Not allowed
Spray frost, brittle and crack	Not allowed
Obvious cracking without glue	Area is not more than 30 mm * 5 mm, depth is less than 2mm defect. Per linear meter cannot   appear 4 defects.
Bubbles, impurities	Not more than 0.5% of the products’ surface area. Per place is not more than 25mm and the depth is not more than 2mm
Bolt positioning hole deflection and cracking	Not allowed
Connecting channel craze and cannot close strictly.	Not allowed

The inner quality of building expansion joints

Names	Quality requirements
The position of steel plate and angle steel after sawing	The position of steel plate and angle steel must be accurate. Plane position deviation is ±3 mm, height position deviation is between -1mm and 2mm.
The bond of steel plate and rubber	Steel plate and rubber binder should be solid and without delamination phenomenon

The table of  building expansion joints size

Type	Specification(mm)	Expansion and contraction quality(mm)
Building expansion joint-±30mm	1000×230×35	±30
Building  expansion joint-±45mm	1000×250×45	±45
Building expansion joint-±60mm	1000×400×40	±60
Building expansion joint-±100mm	1000×550×54	±100
Building expansion joint-±160mm	1000×620×60	±160
Building expansion joint-±200mm	1000×735×75	±200

And other types Building Bridge Expansion Joints. We could produce them as customers’ demand.