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A concrete construction method based on fast mobile concrete mixing plant

A construction method and concrete technology, which is applied in roads, road repairs, roads, etc., can solve problems such as cost increase and concrete slump decrease, and achieve the effects of saving construction costs, facilitating transportation, and reducing costs

Active Publication Date: 2016-02-17
SHIJIAZHUANG TIEDAO UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a construction that is convenient and quick, flexible and capable of ensuring the quality of concrete, effectively solving the problem of reduced concrete slump and increased cost due to long transportation time, and greatly shortening the construction time. Concrete rapid construction method based on fast mobile concrete mixing plant with construction period, efficiency improvement and wide application range

Method used

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  • A concrete construction method based on fast mobile concrete mixing plant
  • A concrete construction method based on fast mobile concrete mixing plant
  • A concrete construction method based on fast mobile concrete mixing plant

Examples

Experimental program
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Embodiment 1

[0061]Trial example 1: In the trial construction of a highway bridge deck pavement, the on-site pavement is 6m wide, 15cm thick, and 500m long. The fast mobile high-performance concrete mixing plant is about 50km away from the construction site. Select the fast mobile concrete mixing plant, first use the traction device 71 to transport the fast mobile concrete mixing plant to the bottom of the required construction bridge deck, and the traction device 71 pulls the fast mobile concrete mixing plant to travel at a speed of 50km per hour, 1 It is transported to the site in one hour, the trailer board 72 and equipment are supported by outriggers 73, quickly connected, assembled, debugged, and put into production, which is completed within 6 hours. Because carry out the concrete production of bridge deck pavement construction, so powder one selects cement for use, powder two selects fly ash for use, powder three selects mineral powder for use, carry out powder addition with powder f...

Embodiment 2

[0062] Trial example 2: The bridge deck of a highway is seriously damaged, and the old concrete on the bridge deck needs to be chiseled out before the bridge deck concrete repair construction is tried. The design strength of the bridge deck pavement repair concrete is C50, the design thickness is 20cm, the width is 7.5 meters, and the length is 500 meters. The fast mobile concrete mixing plant is about 120km away from the construction site. The traction equipment 71 transports the fast mobile concrete mixing plant to the underside of the bridge deck required for maintenance. The traction equipment 71 drives the fast mobile concrete mixing plant at a speed of 40km per hour, transports it to the site in 3 hours, and uses the outrigger 73 to pull the trailer The board 72 and the equipment are supported, quickly connected, assembled and debugged, and completed within 6 hours. Because of concrete production for bridge deck maintenance, cement is used as the first powder, fly ash is...

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Abstract

The invention discloses a concrete construction method based on a rapidly-movable concrete mixing station, relates to the technical field of concrete construction. The concrete construction method comprises the following steps: (1) preparing the rapidly-movable concrete mixing station, having the functions of feeding, weighing, dosing, transporting, mixing, and pumping and discharging various materials of concrete; (2) dragging the rapidly-movable concrete mixing station to a place near a construction field; (3) installing and debugging the rapidly-movable concrete mixing station; (4) preparing the concrete: mixing till requirements on concrete construction are met; (5) pumping and discharging: sending the concrete to a cast-in-situ working surface, or pumping the concrete into a tanker and transporting to the cast-in-situ working surface, and then vibrating and conserving the concrete to complete the concrete construction; and (6) demounting and moving away the rapidly-movable concrete mixing station. The concrete construction method has the advantages of convenient, quick and flexible construction, capability of ensuring the quality of the concrete, effective solution to the problem of decline of concrete slump due to the long transporting time, and capability of shortening the construction period.

Description

technical field [0001] The invention relates to the technical field of concrete construction. Background technique [0002] In recent years, with the continuous improvement of my country's economic strength, my country's highways, especially expressways, have developed rapidly. With the rapid growth of traffic volume and increasingly heavy vehicle load, the impact force, dynamic load strength and fatigue effect of highway bridges are constantly increasing, so that the bridge deck is often in an overloaded state, resulting in many bridge deck pavements along the highway. A large number of damage phenomena such as rutting, shifting, cracking, delamination, and potholes not only directly affect the road performance of the bridge deck, but also greatly affect the durability and operational safety of the road, seriously affecting normal transportation ; In addition, in today's frequent occurrence of natural disasters, linear transportation infrastructure such as highways and air...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C19/02
Inventor 王伟赵宝平程庆军马帅梁渲钰周腾
Owner SHIJIAZHUANG TIEDAO UNIV