Furthermore, it was found that the optimal addition of contaminated fly ash also positively influenced the maximum anchoring force determined during the pull-out strength test. Detailed connection of the anchor material with anchored steel bar and concrete was observed on tomography images.Tomas Z...
the weight; post tensioning is not possible unless It is common practice for anchor bolt / holding down bolts to be grouted into preformed pockets as part of the grouting process. Epoxy resin based grouts or specialist anchoring products are best for this as they have greater bond strength ...
Furthermore, silica sand enhances the adhesion strength between CFRP and concrete, as confirmed by the increase in the pull-out force from 14.21 kN to 18.79 kN. Silica particles improve surface roughness and interlocking, contributing to a better load distribution and stress transfer at the ...
Further epoxy-functionalized CNTs were introduced to build a multi-scale structure on the CF surface that can better act as a buffer layer and disperse stresses, in addition to the ability of CNTs to enhance the interfacial interaction effect by physical anchor riveting action, which in turn ...
重要属性 其他属性 支持定做 OEM, ODM, OBM, 软件再工程 原产地 Guangdong, China 功率 20W 保修期 1年 品牌 SGX Product name MPO/MTP Polarity Tester Model NO. SGX-2224 Channel number 8/12/16/24 channels available Placement mode Desktop
As used herein, the curing compound is capable of forming a protective film on top of a concrete, acting as a vapor barrier to partially or completely prevent water from evaporating from the concrete, and thus enabling the concrete to hydrate properly and increase its internal strength. The sea...
(ASTMC-413)0.21% BondStrengthtoCeramicTile(PositesterAT)2,700-3,100psi BondStrengthtoSteel(pulltestPositesterAT)2,500-3,000psi ColorLightGray CompressiveStrength(ASTMC-579)11,220psi TensileStrength(ASTMC-307)3,600-4,100psi CoefficientofThermalExpansion(ASTMC-531)12-14x10 -6 in/in/ o F ...
Civil engineering Pull out behavior of epoxy bonded anchor systems THE UNIVERSITY OF TEXAS AT SAN ANTONIO Mijia Yang ThotaMaheshEpoxy adhesive anchor systems are widely used in engineering applications such as bridge widening, concrete repair and rehabilitation, tunnel finishing etc. However their ...
First, an elastic model of epoxy bonded anchor system is developed and simulated through ABAQUS. Its pull-out capacity and its relation to different factors, like anchor to hole diameter ratio, embedded length to hole length ratio etc, has been analyzed and compared with literature results. Then...
The study concluded that Tg has an influence on the 80°C pullout strength for chemical anchor adhesives but the formulation with the higher Tg did not always show higher 80°C pullout strengths. The concrete strength also plays a critical role. High value at 80°C can be achieved by a...