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(三)如果注入量过大,则裂缝内仅是单纯的充满了洋灰浆而不起真正的効果,此点应该特别注意。 (四)应尽量缩小注入孔的口径,注意不使洋灰浆的注入速度过慢,以致在中途发生沉淀。 (五)在注入工作的进行当中,纵令洋灰浆由表面的裂缝喷出,也不可停止工作。这时应该减低冲程(Stroke)耐心的继续工作。 (六)一般来说,虽然施工压力越大効果也越大,但若压力过大,往往可使很坚固致密的岩盘受到震动因而发生动摇,这是
(C) If the injection volume is too large, the crack is simply filled with foreign mortar and can not afford the real effect, this point should pay special attention. (D) should minimize the size of the injection hole, pay attention not to make the injection rate of foreign mortar too slow, resulting in sedimentation in the middle. (E) In the course of the injection work, longitudinal vertical mortar shall be ejected from the surface cracks and must not be stopped. At this point, Stroke’s patient patient work should be reduced. (F) In general, although the greater the pressure of construction, the greater the effect, but if the pressure is too large, it is often possible to make a very strong and compact plate subjected to vibration and thus fluctuating, which is