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    • 25. 发明申请
    • Soil and Rock Grouting Using a Hydrajetting Tool
    • 使用Hydrajetting工具进行土壤和岩石灌浆
    • US20170002535A1
    • 2017-01-05
    • US15113235
    • 2014-04-07
    • HALLIBURTON ENERGY SERVICES, INC.
    • Jim Basuki Surjaatmadja
    • E02D3/12E02D31/08E02D37/00E02D19/16
    • E02D3/12E02D19/16E02D31/08E02D37/00E02D2300/0037
    • Methods including providing a hydrajetting tool comprising a housing having a top end and a bottom end and having a plurality of jetting nozzles disposed thereon, the top end of the housing fluidly coupled to a tool string; providing at least one sub-soil-surface cavity adjacent to or in unstable soil, the unstable soil having a plurality of channels therein; introducing the hydrajetting tool into the at least one sub-soil-surface cavity; injecting a cement slurry through at least one of the jetting nozzles and into the sub-soil-surface cavity; permeating the cement slurry into the plurality of channels in the unstable soil; filling the at least one sub-soil-surface cavity with the cement slurry; and curing the cement slurry, thereby forming a stable soil and a cement pillar in the at least one sub-soil-surface cavity.
    • 方法包括提供一种水喷射工具,其包括具有顶端和底端的壳体,并且具有设置在其上的多个喷射喷嘴,壳体的顶端流体地联接到工具串; 提供与不稳定土壤相邻或不稳定的土壤中的至少一个亚土壤表面腔,所述不稳定土壤中具有多个通道; 将所述水力喷射工具引入所述至少一个亚土表面腔; 通过至少一个所述喷射喷嘴注入水泥浆料并进入所述次土壤表面腔; 将水泥泥浆渗入不稳定土壤中的多个通道; 用所述水泥浆填充所述至少一个亚土表面腔; 并固化所述水泥浆料,从而在所述至少一个亚土表面空腔中形成稳定的土壤和水泥柱。
    • 28. 发明公开
    • ANTI-SEEPAGE SYSTEM OF LANDFILL FOR EXTENDING PENETRATION TIME OF LEACHATE AND MANUFACTURING METHOD THEREOF
    • 填埋场用于延长渗透时间的防渗系统及其制造方法
    • EP3235576A1
    • 2017-10-25
    • EP16810699.5
    • 2016-01-04
    • Hohai University
    • ZHU, WeiSHU, ShiWANG, ShengweiXU, HaoqingFAN, XihuiBAO, JianpingMIN, Fanlu
    • B09B3/00E02D31/00
    • E02D31/004B09B1/00B09B1/004B09B3/00E02D31/00E02D31/02E02D31/025E02D2250/0023E02D2300/0015E02D2300/0037E02D2300/0079
    • The invention relates to a refuse landfill impervious system capable of prolonging breakdown time of leachate and a manufacturing method thereof. The system comprises a leachate collection and drainage layer, a first HDPE (high-density polyethylene) geomembrane impervious layer, a clay layer and a groundwater collection and drainage layer which are sequentially stacked from top to bottom. The clay layer is composed of a lower clay layer, a middle clay layer and an upper clay layer which are sequentially arranged, wherein the middle clay layer is filled with a medium-fine sand layer laid with sands of particle sizes ranging from 0.1 mm to 0.5 mm and of water contents ≤ 3%, wherein the saturated permeability coefficient of the medium-fine sand layer varies from 1×10 -5 to 1×10 -3 cm/s. Therefore, breakdown time of the leachate can be greatly prolonged, and the imperious effects of a refuse landfill impervious layer can be enhanced; meanwhile, the medium-fine sands are readily available as they are low in cost and widely spread in China. The refuse landfill impervious system capable of prolonging breakdown time of the leachate has a simple structure and is able to effectively prevent the groundwater from permeating in order to saturate the medium-fine sand layer, keeping the medium-fine sand layer in an unsaturated state all the time.
    • 本发明涉及一种能够延长沥出液破裂时间的垃圾填埋防渗系统及其制造方法。 该系统包括渗沥液收集和排水层,第一HDPE(高密度聚乙烯)土工膜不渗透层,粘土层和地下水收集和排水层,其从顶部到底部依次堆叠。 粘土层由依次排列的下粘土层,中粘土层和上粘土层组成,其中中间粘土层填充有中等细砂层,其中铺设有0.1〜 0.5mm,含水率≤3%,其中中细砂层的饱和渗透系数为1×10-5〜1×10-3cm / s。 因此,渗滤液的击穿时间可以大大延长,并且垃圾填埋场不透水层的重要作用可以得到加强; 同时,中细砂的成本低廉,在中国广泛普及。 能够延长渗滤液破坏时间的垃圾填埋防渗体系结构简单,能够有效防止地下水渗透,使中细砂层饱和,中细砂层保持不饱和状态 时间。