现批准发市交通行业标准《公路工程水泥混凝土试验规程》、《公路工程石料试验现程》，编号分别为JTJ053－94及河JO54－94，自1994年12月1日起实行。1983年我部发布的《公路工程水泥混凝土试验现程》与《公路工程石料试验规程》同时废止。以上规程由交通部第二公路勘察设计院负 Is now approving the standard for the delivery of traffic industry, “Highway Engineering Cement Concrete Test Procedures”, “highway engineering stone test now”, numbered JTJ053-94 and river JO54-94, since December 1, 1994 come into effect. In 1983, the “Current Test of Highway Engineering Cement Concrete” and “Test Procedures of Highway Engineering Stone” promulgated by our ministry were repealed at the same time. The above procedures by the Ministry of Communications Second Survey and Design Institute negative