By sorting the rainwater harvesting systems,the characteristic and components of roof rainwater havesting system was introduced,and the calculation method of storage equipment capacity was discussed also,some proposals were given.
通过对雨水收集系统的分类,介绍了屋面雨水收集系统的特点和组成,提出了储水设施的体积计算方法,对系统的推广提出了建议。
It can be used to evaluate the water storage in bearing media in the tunnel project by using the discharge of the bore hole or fracture.
本文根据水力学中薄壁自由式小孔口稳定出流公式导出了一种新的计算公式 ,该公式在隧道工程中可根据炮眼或裂隙的涌水量来估算含水体的储水量 ,也可预测未来、反算前期的涌水量。
The blasting program of demolishing a reinforced concrete reservoir by hydraulic blasting is introduced.
介绍采用水压爆破拆除钢筋混凝土储水池的爆破方案、参数设计、装药量分配、药包制作与设置及安全防护 ,爆破效果良好。