Semi-fabricated concrete guardrail and mounting method thereof

Abstract

The invention discloses a semi-fabricated concrete guardrail which comprises a first side plate and a second side plate which are formed by pouring high-performance concrete, the first side plate comprises a plurality of first sub-side plates which are spliced in sequence, the second side plate comprises a plurality of second sub-side plates which are spliced in sequence, and the first sub-side plates and the second sub-side plates are arranged in parallel. The first sub-side plates and the second sub-side plates are fixedly connected through split bolts, and concrete is poured between the first sub-side plates and the second sub-side plates. According to the scheme, the first side plate and the second side plate can be prefabricated in a factory, the quality of the formwork is controlled, and the appearance quality problems of color difference, cracks, surface defects and the like existing in a traditional concrete guardrail are effectively solved; the first side plate and the second side plate can effectively prevent water loss of concrete between the first side plate and the second side plate, concrete curing is not needed, and the cost is greatly saved; meanwhile, the first side plate and the second side plate have excellent impermeability and corrosion resistance, and the service life of the guardrail is prolonged.

Description

technical field [0001] The invention relates to the technical field of concrete guardrails, in particular to a semi-assembled concrete guardrail and an installation method thereof. Background technique [0002] Guardrails are an important part of highway bridges, which play a key role in avoiding and preventing out-of-control vehicles from rushing out of road bridges, and are an important guarantee for the safety of highway bridge operations. Reinforced concrete guardrail has been widely used in domestic bridge engineering because of its economy and excellent impact resistance. However, during the on-site construction of traditional reinforced concrete guardrails, due to different construction levels, it is difficult to guarantee the surface quality of concrete guardrails. The problems of honeycomb, pitting, pores, and color difference on the concrete surface are common, which seriously affect the durability of the guardrail. At the same time, the on-site formwork occupies ...

AI Technical Summary

Problems solved by technology

However, during the on-site construction of traditional reinforced concrete guardrails, due to different construction levels, it is difficult to guarantee the surface quality of concrete guardrails. It is common for honeycombs, pockmarks, pores, and color differences to appear on the concrete surface, which seriously affects the durability of the guardrails.

At the same time, the on-site formwork occupies a large amount of engineering costs and labor consumption. The construction period is long, the production efficiency is low, the labor intensity of the workers is high, and a large amount of construction waste will be generated, which does not meet the requirements of the national green building.

In addition, ordinary concrete for guardrails has low strength and poor durability, and is prone to corrosion, cracking and other diseases during use.

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