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目前,砌筑工程冬期施工已有建设部《建筑工程冬期施工规程》(JGJ 104-97)的新规定,它在冬期砌筑施工方面的要求比原《砖石工程施工及验收规范》(GBJ 203-83)有关条文有很多增补和修改,现扼要介绍如下。1.冬期施工期限的划分规定以室外日平均气温连续5天稳定低于5℃即进入冬期施工(在 GBJ 203-83规范中规定:预计连续10天内的平均气温低于5℃),并且还规定了当室外日平均气温连续5天高于5℃时解除冬期施工。
At present, the winter construction of masonry projects has been stipulated by the Ministry of Construction’s “Construction Project Winter Construction Regulations” (JGJ 104-97). Its requirements for masonry construction in winter are higher than the original “Code for Construction and Acceptance of Masonry Projects” (GBJ). 203-83) There are many additions and amendments to the relevant provisions, which are briefly described below. 1. The winter construction period shall be divided into winter construction when the daily average outdoor temperature is stable below 5°C for 5 consecutive days (in the GBJ 203-83 specification, the average temperature is expected to be below 5°C for 10 consecutive days), and It is stipulated that the winter construction be lifted when the outdoor average daily temperature is higher than 5°C for 5 consecutive days.