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    • 5. 发明授权
    • Method of on-site construction of concrete column and panel fence system
    • 混凝土柱和面板围栏系统现场施工方法
    • US07165916B2
    • 2007-01-23
    • US10923148
    • 2004-08-19
    • Lakdas Nanayakkara
    • Lakdas Nanayakkara
    • E02D5/10
    • E02D5/36E02D27/42
    • The instant invention constitutes a method of forming a concrete column and panel wall system, comprising the steps of: auguring a vertical pile hole; excavating about the pile hole a ground level recess for a pile cap; placing vertical rebars into the auger hole and cap recess; pouring concrete in situ into the pile hole and pile cap recess; positioning a pile cap plate on the poured concrete prior to the curing thereof; positioning opposing vertical ends of pre-cast concrete panels upon opposite ends of the pile cap plate and using forms to substantially define an H-shaped above-ground geometry each having vertical rebars therein, the panel ends also having horizontal re-bars extending into the geometry, thus horizontally and vertically positioning re-bars characterize substantially an entirely above-ground length of each column resultant of the H-shaped geometry; and casting in situ within volumes defined by the forms defining the above-ground geometry. Each combination of cast columns, as such, includes a first column corresponding to the pile hole and pile cap recess, and a second above-ground cast column.
    • 本发明构成了一种形成混凝土柱和面板壁系统的方法,包括以下步骤:对垂直桩孔进行加压; 围绕桩孔挖掘桩帽的地面凹槽; 将垂直钢筋放入螺旋钻孔和盖子凹槽中; 将混凝土原位浇注到桩孔和桩帽凹槽中; 在浇注混凝土固化前将桩帽定位在桩上; 将预制混凝土板的相对的垂直端定位在桩帽板的相对端部上并且使用形式基本上限定了在其中具有垂直钢筋的H形地面几何形状,所述面板端部还具有延伸到 因此水平和垂直定位的重力杆基本上表现为H形几何形状的每个柱的结果的完全地上长度; 并且在由限定地面几何形状的形式限定的体积内原位铸造。 铸造柱的每个组合本身都包括对应于桩孔和桩帽凹槽的第一柱和第二地上铸造柱。
    • 6. 发明授权
    • Method of constructing underground concrete walls and reinforcement cage
therefor
    • US4005582A
    • 1977-02-01
    • US603982
    • 1975-08-12
    • George John Tamaro
    • George John Tamaro
    • E02D5/18E02D5/20E02D5/10E02D27/00
    • E02D17/13E02D5/20
    • There is disclosed an improved method of constructing an undergound reinforced concrete wall utilizing the slurry trench excavation method. According to the invention, at least a pair of spaced elongated primary excavations each adapted to receive a pair of H-beams rigidly joined together by steel lattice work; and a rebar cage. The channel or space in each H-beam at the outer channel between the flange and webs is filled with a polystyrene foam attached to the cage by steel plates and angles. These elements are lowered into the primary excavations and concrete is poured therein filling the spaces in the excavations and displacing any bentonite slurry from the trench to form primary wall elements. Thereafter, intermediate excavations are performed between the concreted sections and the H-beam portions thereof, the polystyrene foam being easily removed from the outer channel and the H-beam channel with the flanges thereof serving as guide elements for the excavating tool. According to a preferred procedure, the spaces between the first two primary wall panels have a length at least equal to a multiple greater than one of the primary wall panel excavations for secondary wall elements to be formed in the intermediate space. In this way, the same excavating tool can be used for forming equally spaced elements and the excavating tool will not in any way be impeded by engagement with steel H-beams since at least one end of the tool will be free to bite into earth or the space of an adjacent excavation. In order to form a reinforced excavation around and below underground utilities, and other obstructions, the earth between the two previous excavations is excavated, two beams are placed on either side of the utility or obstruction and the intervening excavation panel is cast with concrete without the use of a reinforcing cage or is cast using a steel fiber reinforced concrete in place of the reinforcing, is inserted to thereby form a reinforced wall in combination with the H-beam. There is also disclosed a novel method and apparatus for reducing wall thickness and decorating and improving surface finish of cast-in-situ underground concrete walls.