Due to notch effect of the holes, the anchors installed in concrete are highly likely to be intercepted by cracks that may form due to thermal and/or mechanical loads on the structure. The presence of cracks, alters the behaviour of anchors by reducing their stiffness and load carrying capacity. The behaviour of anchors in steel fiber reinforced concrete (SFRC) is one of the prime focuses in anchor technology today. However, the current research lacks the knowledge on the behaviour of anchors in SFRC intercepted by a crack. This paper investigates the behaviour of single bonded anchors intercepted by a crack (cracked concrete) in SFRC undergoing concrete cone breakout failure. Experimental investigations are carried out on bonded anchors installed in SFRC with different concrete grades and different fiber content. The tests are performed on the anchors in uncracked concrete and corresponding tests in cracked concrete show that the enhancement of performance of the anchors due to SFRC in uncracked concrete and cracked concrete is rather similar and the relative reduction in stiffness and strength of the anchors in cracked compared to uncracked concrete is equivalent in SFRC and in normal concrete. Based on the tests, a new proposal for the concrete cone capacity of anchors in cracked SFRC is proposed.

由于孔的缺口效应，安装在混凝土中的锚栓很可能被由于结构上的热和/或机械载荷而形成的裂缝拦截。裂缝的存在通过降低锚的刚度和承载能力来改变锚的行为。钢纤维混凝土 (SFRC) 中锚的行为是当今锚技术的主要焦点之一。然而，目前的研究缺乏对裂缝拦截的钢纤维混凝土中锚杆行为的认识。本文研究了在经历混凝土锥体破裂破坏的 SFRC 中被裂缝（开裂混凝土）拦截的单粘结锚杆的行为。对安装在具有不同混凝土等级和不同纤维含量的 SFRC 中的粘结锚进行了试验研究。对未开裂混凝土中的锚杆进行了试验，在开裂混凝土中进行了相应的试验表明，SFRC 在未开裂混凝土和开裂混凝土中对锚杆性能的增强相当相似，而在开裂混凝土中锚杆的刚度和强度相对降低。与未开裂的混凝土相比，它在 SFRC 和普通混凝土中是等效的。在试验的基础上，提出了一种关于开裂钢纤维混凝土中锚杆混凝土锥承载力的新建议。