车修壁虎又名Wedge Anchor, 此产品螺纹较长，较易安装，通常被用于重负荷设施。要获得可靠的，巨大的紧固力，就必须保证那个固定在壁虎上的夹环充分膨胀。并且膨胀夹环不可以从杆上脱落或在洞中扭曲变形。标定拉力值均在水泥强度260~300kgs/cm2的条件下测试所得，安全负荷的最大值不得超过标定值的25%。适用于混凝土及致密的天然石材，金属结构，金属型材，底板，支撑板，托架，栏杆，窗，幕墙，机器，大梁，桁条，支架等等。
车修壁虎出口欧盟，需满足ETA认证要求，主要测试包括：
Basic Works Requirement 1: Mechanical resistance and stability
Characteristic resistance to tension load (static and quasi-static loading)
1 Resistance to steel failure (tension) 2.2.1 NRk,s [kN]
2 Resistance to combined pull-out and concrete failure 2.2.2 Rk [N/mm²]
3 Resistance to concrete cone failure 2.2.3 ccr,N [mm] kcr,N, kucr,N [-]
4 Edge distance to prevent splitting under load 2.2.4 ccr,sp [mm]
5 Robustness 2.2.5 inst [-]
6 Maximum setting torque moment 2.2.1.2 max Tfix [Nm]
7 Minimum edge distance and spacing 2.2.6 cmin, smin, hmin [mm]
Characteristic resistance to shear load (static and quasi-static loading)
8 Resistance to steel failure (shear) 2.2.7 V0
Rk,s [kN], M0
Rk,S [Nm], k7 [-]
9 Resistance to pry-out failure 2.2.8 k8 [-]
10 Resistance to concrete edge failure 2.2.9 dnom, f [mm]
Displacements under short term and long term loading
11 Displacements under short term and long term
loading 2.2.10 0, ∞ [mm or mm/(N/mm²)]
Durability
12 Durability of metal parts 2.2.11 Description
Characteristic resistance and displacements for seismic performance categories C1 or C2 (optional)
13 Resistance to steel failure
TR 049
NRk,s,eq, VRk,s,eq [kN]
14 Resistance to pull-out Rk,p,eq [N/mm2]
15 Fracture elongation A5 [%]
16 Factor for annular gap gap [-],
17 Displacements N,eq, V,eq [mm]
衡硕检测已经为国内多家建材生产企业成功获得欧盟ETA认证证书，如有需求请联系我们。021-5186 0170
