为适应黄土洞室工程机械化施工的要求,我所与省建工局机械修造厂共同研制了一台HDJ_1型双切削头黄土洞掘进机(见图1)。该机已在西安地区某工地进行了工业性试验。它一次就位,可以挖宽3.7米、高4.2米的成形洞。该机还能在黄土浅埋工程中开挖大型沟槽(见图2)。 In order to meet the requirements of the mechanized construction of the loess chamber, the Institute jointly developed a HDJ_1 double-cutting loess hole excavation machine (see Figure 1) with the Machinery Factory of the Provincial Construction Industry Bureau. The aircraft has been industrially tested at a site in Xi’an. Once it is in place, it can dig 3.7 meters in width and 4.2 meters in height. The machine can also excavate large trenches in shallow loess works (see Figure 2).