请英文高手帮忙翻译有关混凝土方面的,给20分.
5. Grout mixes for contact, consolidation and curtain grouting shall be selected and changed only as directed. The following initial procedures shall be followed. The Engineer may revise these procedures to achieve optimum grout penetration.
6. Once started, grouting is to be continued until refusal criteria is obtained. During grouting the Contractor shall take every precaution to prevent the grouting equipment and lines from becoming blocked. He shall accordingly continuously circulate the grout and periodically flush the system with water.
7. If a hole absorbs an abnormal amount of grout without reaching refusal the Contractor shall inform the Engineer immediately and the rate of injection shall then be reduced or injection shall be carried out intermittently or such other procedure as may be directed by the Engineer shall be adopted.
5.灌浆混合物,应选择和改变只是针对接触,巩固和帷幕灌浆.以下初步的程序办理.工程师可以修改这些程序,以达到最佳灌浆渗透.
6.一旦启动,灌浆是标准之前拒绝继续得到.在灌浆,承包者应采取一切预防措施,防止灌浆设备和线路被阻塞.他应相应地不断散发灌浆,并定期用清水冲洗系统.
7.如果没有达到洞吸收拒绝承包者应立即通知工程师和注射率不正常的灌浆量随后应减少或注射,应进行间歇性或其他程序可能由工程师应当采取指示.
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