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Apr 24, 2021 · Torcrete-concrete is a mixture of cement calculated as 750 kg per 1 m 3 of water-cement solution, sand filler with grain size of up to 5 mm, and water. Torcrete-concrete is laid on the consolidated surface of a working in layers 2 – 3 cm thick each under compressed air pressure of 0.2 – 0.3 MPa.
Learn MoreIn the preferred embodiment the slurry pump, including the two piston pumps, the swing tube, the mechanism for oscillating the swing tube, the speed controller and the switching controller are parts of a commercially available system known as the Sidewinder 45 concrete pump manufactured by Transcrete Pty. Ltd., Sydney, Australia, available in
Learn MoreApparatus for slip forming concrete, having a form, and a hopper for receiving concrete and introducing the same into said form, and incorporating water extraction means, adapted to be positioned in the wet concrete, for extracting water therefrom thereby producing a more stable formed concrete mass, capable of standing on its own after the form has moved on.
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Learn MoreRelief valve for pumping concrete in shuttering molds, specifically for tunnel, tunnel or similar formwork, which prevents the formwork from being subjected to higher than allowable pressures. Comprised of a security system and a support that connects it to the shuttering structure. The security system contains in a hole (1) in the surface of the shuttering structure that is closed with a
Learn MoreGas Suction Pump Device, Gas Feed Adapter And Gas Alarm Unit: Ring For Concrete Pump: 5/13/2002: 10143686: Wick injection of liquids for colloidal propulsion: 5/6/2002: 10139997: Automotive Fluid Extraction And Delivery Device: 1/27/1997: 08789946: Motor …
Learn MoreNov 12, 2018 · If the concrete loses workability, the pressure behind the pump line will make the pipe push up and out of the concrete, causing defects in the concrete. Even if tremie operations are conducted perfectly and the concrete mixture is properly designed, the concrete may still be defective if the hole is not clean or if the slurry is full of sand.
Learn MoreAuto Concrete Pump: 11/6/2000: 09706639: Hose Feed And Retrieval System Related Applications: 11/2/2000: Automatic Holding Device For Gasoline Pump Handles: 12/27/1994: 08313292: Fuel Control Device, Parts Therefor And Methods Of Making Th 9/7/1994: 08302364: Portable Hose Reel For Recreational Vehicles
Learn MoreMar 10, 2020 · Maneuvering and operation of the crawler track-mounted concrete pump is effected via remote control. A typical application for crawler concrete pumps is the supply of concrete to drilling equipment for bored piling foundations. Deep holes are drilled into the ground and then filled with concrete following extraction of the drill.
Learn MoreSUBSTANCE: invention relates to extraction of mineral resources and may be used for drilling of oil and gas wells. The drilling system comprises a drilling unit and single conic leg. The drilling unit is comprised of a floating hull with ice deflector section, self-elevating legs and self-elevating device. The hull has ice-deflecting shape.
Learn MoreRailcar and truck unloaders (including pump unloading and vacuum pressure unloading systems) 20 years: 10.00%: 5.00%: 1 Jul 2011: Support assets: Pump s: 15 years: 13.33%: 6.67%: 1 Jul 2011: Plaster product manufacturing: Plasterboard and cornice manufacturing assets: General: Pump s: 10 years: 20.00%: 10.00%: 1 Jul 2011: Ready-mixed concrete
Learn MoreOct 22, 2016 · Three meters tremie will be within concrete at all times. After completion of concrete tremie will be dismounted from the pump, the casing will be lifted 2 m from platform level and at this height casing extraction will be stopped. Concrete will be added from top by concrete pump to fill the casing again to the top level of casing.
Learn MoreAlibaba offers 8 Concrete Pump Siphon Suppliers, and Concrete Pump Siphon Manufacturers, Distributors, Factories, Companies. There are 6 OEM, 5 ODM, 4 Self Patent. Find high quality Concrete Pump Siphon Suppliers on Alibaba.
Learn MoreAbout product and suppliers: Purchase high-quality and sturdy concrete pump s tube at Alibaba.com that can be used for a plethora of distinct purposes. These concrete pump s tube are made from tough, rigid materials that can be used for various packaging and transportation purposes. The items available here are considered to be the best domestic containers and are widely used.
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Learn MoreMar 13, 2019 · Power of concrete truck pump is 231 kW and an output. capacity of 164 m. 3 therefor e, the. primary material extraction in terms of TMR, in addition to water use of UHPC, are provided for
Learn MoreAnother modification of the battery mold of the present invention is shown in FIG. 4. A concrete pump 28 can be used to pump concrete through the bottom of battery box 10 into each cavity by means of manifold 27 which is in fluid communication with risers 29 and is designed to allow for ease in cleaning.
Learn MoreCapabilities. Martin Civil Construction has developed a reputation for being one of Christchurch's leading Civil Construction Companies. This has been achieved through our continuous focus on developing close working relationships with our customers, helping to ensure project delivery to the highest standards.
Learn MoreOct 22, 2019 · Abstract: A manipulator for concrete pumps having an articulated boom with at least two boom arms and a hydraulic drive that pivots one or more of the boom arms. A hydraulic cylinder has piston and rod side working volumes. A hydraulic circuit has a first switching state in which the hydraulic circuit connects a first working port for feed or discharge of hydraulic fluid to the rod-side
Learn More(17) Mobile concrete pump placer of 90/120 cu m/hr capacity (18) Automatic asphalt extraction equipment (19) Fully automatic, hydraulically operated, pre-cast segment moulds (20) Hydraulic gantry crane of 100 tonnes capacity for launching truss (21) Skid steer loaders . …
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