目前，有些混凝土工程，混凝土试块的留置和养护很不规范，没有标准养护室，大多数属于自然养护，一年四季天气变化很大，养护条件相差很多，有时工程技术人员兼职较多，试块养护难以做到专人管理，经常养护跟不上，失养现象经常发生，试验结果与标养的相差甚大，失去与设计标 At present, some concrete engineering, concrete test block indwelling and conservation is not standardized, there is no standard conservation room, most of them belong to the natural conservation, the weather changes greatly throughout the year, curing conditions vary greatly, and sometimes more part-time engineering and technical personnel, the test Block conservation is difficult to achieve specialist management, regular maintenance can not keep up, loss of nourishment often occur, the test results and the standard of care vary greatly, with the design standard