KP1型矩形条孔烧结页岩多孔砖砌体墙上应采用空心砌体专用膨胀螺栓，因其能够形成可靠的“自螺母效应”。

In KP1 type perforated brick masonry, expansion bolt especially design for perforated brick is prefer, because it can form "self- anchor" effect and hold tightly in brick hole.

youdao

KP1型矩形条孔烧结页岩多孔砖砌体墙上应采用空心砌体专用膨胀螺栓，因其能够形成可靠的“自螺母效应”。

In KP1 type perforated brick masonry, expansion bolt especially design for perforated brick is prefer, because it can form "self- anchor" effect and hold tightly in brick hole.

youdao