A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Recessed greenbelt structure for collecting rainwater in sponge city
The invention relates to a recessed greenbelt structure for collecting rainwater in a sponge city. The recessed greenbelt structure is characterized by comprising the following structure that a lower permeable geotextile layer is laid on the upper surface of a rammed earth layer, and the rammed earth layer is a saline-alkali layer; a water storage layer is laid on the lower permeable geotextile layer, and a blind pipe is embedded in the water storage layer; and a permeable layer is laid on the water storage layer, an upper permeable geotextile layer is laid on the permeable layer, a medium soil layer is laid on the upper permeable geotextile layer, and the medium soil layer is of a recessed structure. The recessed greenbelt structure further comprises an overflow well, the overflow well is arranged in the recessed greenbelt structure, the bottom of the overflow well is fixed in the rammed earth layer, the blind pipe communicates with the overflow well, and the overflow well communicates with a rainwater well through a rainwater pipeline. According to the recessed greenbelt structure, peripheral runoff can be gathered into the recessed greenbelt structure for retention during raining, then the runoff is slowly discharged into a municipal rainwater pipeline through infiltration, and the recessed greenbelt structure has the effect of adjusting the opening of the overflow well according to the runoff volume, so that the rainwater in the recessed greenbelt can be timely discharged when the rainfall is too heavy.
本发明涉及一种用于海绵城市收集雨水的下凹式绿地结构，包括：下透水土工布层铺设在素土夯实层的上表面上，且该素土夯实层为盐碱层。蓄水层铺设在下透水土工布层上，且蓄水层中埋置有盲管。透水层铺设在蓄水层上，上透水土工布层铺设在透水层上，介质土层铺设在上透水土工布层上，且介质土层成下凹式构造。还包括溢流井，溢流井设置在下凹式绿地结构中，且溢流井的底部固定在素土夯实层中，盲管与溢流井连通，溢流井通过雨水管道与雨水井连通。本发明的这种下凹式绿地结构不仅能够在下雨时将周边径流汇入其中滞蓄，随后通过下渗缓排入市政雨水管道，而且具有根据径流量大小调节溢流井开口的作用，从而在降雨过大时及时排走下凹式绿地中的雨水。
Recessed greenbelt structure for collecting rainwater in sponge city
The invention relates to a recessed greenbelt structure for collecting rainwater in a sponge city. The recessed greenbelt structure is characterized by comprising the following structure that a lower permeable geotextile layer is laid on the upper surface of a rammed earth layer, and the rammed earth layer is a saline-alkali layer; a water storage layer is laid on the lower permeable geotextile layer, and a blind pipe is embedded in the water storage layer; and a permeable layer is laid on the water storage layer, an upper permeable geotextile layer is laid on the permeable layer, a medium soil layer is laid on the upper permeable geotextile layer, and the medium soil layer is of a recessed structure. The recessed greenbelt structure further comprises an overflow well, the overflow well is arranged in the recessed greenbelt structure, the bottom of the overflow well is fixed in the rammed earth layer, the blind pipe communicates with the overflow well, and the overflow well communicates with a rainwater well through a rainwater pipeline. According to the recessed greenbelt structure, peripheral runoff can be gathered into the recessed greenbelt structure for retention during raining, then the runoff is slowly discharged into a municipal rainwater pipeline through infiltration, and the recessed greenbelt structure has the effect of adjusting the opening of the overflow well according to the runoff volume, so that the rainwater in the recessed greenbelt can be timely discharged when the rainfall is too heavy.
本发明涉及一种用于海绵城市收集雨水的下凹式绿地结构，包括：下透水土工布层铺设在素土夯实层的上表面上，且该素土夯实层为盐碱层。蓄水层铺设在下透水土工布层上，且蓄水层中埋置有盲管。透水层铺设在蓄水层上，上透水土工布层铺设在透水层上，介质土层铺设在上透水土工布层上，且介质土层成下凹式构造。还包括溢流井，溢流井设置在下凹式绿地结构中，且溢流井的底部固定在素土夯实层中，盲管与溢流井连通，溢流井通过雨水管道与雨水井连通。本发明的这种下凹式绿地结构不仅能够在下雨时将周边径流汇入其中滞蓄，随后通过下渗缓排入市政雨水管道，而且具有根据径流量大小调节溢流井开口的作用，从而在降雨过大时及时排走下凹式绿地中的雨水。
Recessed greenbelt structure for collecting rainwater in sponge city
一种用于海绵城市收集雨水的下凹式绿地结构
LI JINFENG (author) / LYU JINGANG (author) / SHAO ZHULING (author) / FANG HAIBO (author) / SHEN QINGYUN (author) / GAO SHANYOU (author)
2021-07-30
Patent
Electronic Resource
Chinese
Sedimentation type greenbelt rainwater collection device for sponge city construction
| European Patent Office | 2020