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    • 4. 发明授权
    • Method of and apparatus for applying a sprayed concrete layer to a
surface
    • 将喷涂的混凝土层施加到表面的方法和装置
    • US4824022A
    • 1989-04-25
    • US153144
    • 1988-02-08
    • Bernd HillemeierGunter BrockmannRichard Pohl
    • Bernd HillemeierGunter BrockmannRichard Pohl
    • E04G21/02E04F21/12B28C5/46
    • E04F21/12
    • The apparatus for applying a sprayed concrete layer to a surface comprises a concrete feed pipe for a pumpable and sprayable concrete mixture made with water, a sprayer and a compressed air feed device for compressed air under a pressure of several bar from a compressed air source. The concrete feed pipe opens into the sprayer which has a compressed air connector device. The concrete mixture is sprayable with the compressed air. The compressed air feed device comprises a register including several compressed air chambers which connect to and open into the compressed air connector device. The individual compressed air chambers are connected with the help of control valves in alternating sequence to a power silo for loading a powdery concrete additive, particularly silica powder, or for blowing through a compressed air partial flow.
    • 用于将喷射的混凝土层施加到表面的装置包括用于在压缩空气源的几巴的压力下用于压缩空气的水,喷雾器和压缩空气进料装置的可泵送和可喷雾混凝土混合物的混凝土输送管。 混凝土进料管通向具有压缩空气连接器装置的喷雾器。 混凝土混合物可用压缩空气喷雾。 压缩空气供给装置包括一个寄存器,该寄存器包括连接到压缩空气连接器装置并通向压缩空气连接器装置的几个压缩空气室。 单独的压缩空气室在控制阀的帮助下以交替的顺序连接到用于装载粉状混凝土添加剂,特别是二氧化硅粉末的动力仓,或者通过压缩空气的部分流进行吹送。
    • 5. 发明授权
    • Method of and apparatus for concrete tunnel lining
    • 混凝土隧道衬砌方法及设备
    • US4687374A
    • 1987-08-18
    • US839791
    • 1986-03-13
    • Siegmund BabendererdeBernd HillemeierOtto Braach
    • Siegmund BabendererdeBernd HillemeierOtto Braach
    • E04G21/06E21D11/10H05B3/60E21D9/06
    • H05B3/60C04B28/02E04G21/06E21D11/10E21D11/105C04B2111/00724C04B2111/70
    • An apparatus for making a tunnel lining from concrete in a single operation with a tunnel excavator comprises a tunnel lining form consisting of a plurality of tunnel lining form segments and a form front adjacent the tunnel excavator and a tunnel lining circular space between the form and the ground. In order to heat the concrete as it is pumped into the tunnel lining circular space to accelerate hardening, transmitting antennae for electromagnetic radiation are mounted in the tunnel lining form segments and/or the feed pipes for the concrete. Similarly a process for making a tunnel lining from concrete comprises pumping concrete into the tunnel lining circular space and accelerating the hardening of the concrete by heating it with electromagnetic radiation. The tunnel form is rapidly repositioned after the concrete being hardened reaches a sufficient strength.
    • 一种隧道式挖掘机在一次操作中从混凝土制造隧道衬砌的装置包括:隧道衬砌形式,包括多个隧道衬砌形式段和毗邻隧道挖掘机的形式前部,以及隧道衬砌形式与 地面。 为了加热混凝土,因为它被泵送到隧道衬里圆形空间中以加速硬化,用于电磁辐射的发射天线安装在隧道衬里形式段和/或混凝土的进料管中。 类似地,用于从混凝土制造隧道衬砌的方法包括将混凝土泵送到隧道衬砌的圆形空间中,并通过用电磁辐射加热来加速混凝土的硬化。 隧道形式在混凝土硬化达到足够的强度后迅速重新定位。
    • 6. 发明授权
    • Drying the surface of a fresh concrete body
    • 干燥新鲜混凝土的表面
    • US5104594A
    • 1992-04-14
    • US467610
    • 1990-01-19
    • Bernd HillemeierClaus FlohrerAndreas Schaab
    • Bernd HillemeierClaus FlohrerAndreas Schaab
    • E04B1/70
    • E04B1/70Y10S264/43Y10S264/46Y10S34/01
    • A surface of a fresh concrete body is dried by first covering the surface to be dried with a layer of bibulous granules having a great internal surface area for a time sufficient to draw generally all of the water out of the body via the surface and then preventing water from entering the layer from its side turned away from the body. The granules are finely divided hygroscopic particles, with an internal surface area of at least 200 m.sup.2 /g, preferably at least 800 m.sup.2 /g. The hydrophilic particles take up the moisture from the concrete and hold it in the layer of particles lying on the surface. This reduces the partial vapor pressure on the surface of the concrete body which effectively draws further liquid out of the concrete. The particles are a mixture of a cross-linked polymer that only swells in water and silica. The particles are carried in a coherent mat and are applied as a layer to the surface by laying the mat thereon. This mat has a moisture-pervious face and a moisture-impervious face so that water is prevented from entering the layer from the side turned away from the body by orienting the moisture-impervious face away from the body. The moisture-impervious face is formed by a synthetic-resin sheet.
    • 将新鲜混凝土体的表面首先用具有大的内表面积的吸水颗粒层覆盖待干燥表面,时间足以将所有的水通过表面全部吸出体外,然后防止 水从其侧面进入层离开身体。 颗粒是细分散的吸湿颗粒,其内表面积至少为200m 2 / g,优选至少为800m 2 / g。 亲水性颗粒从混凝土中吸收水分并将其保持在位于表面上的颗粒层中。 这降低了混凝土体表面的部分蒸汽压力,这有效地将更多的液体从混凝土中吸出。 颗粒是仅在水和二氧化硅中溶胀的交联聚合物的混合物。 颗粒被携带在粘结垫中,并通过将垫铺在其上而作为层施加到表面。 这种垫子具有透湿的面和不透湿的面,以便通过使不透湿的面远离身体来防止水从离开身体的一侧进入层中。 防潮面由合成树脂片形成。