Assembly type steel bridge super-tough durability prefabricated pavement layer structure
A pavement and durability technology, applied in the field of prefabricated steel bridge super-tough and durable prefabricated pavement structure, can solve the problem of difficult balance between high temperature performance and crack resistance, inability to coordinate pavement, and difficulty in pavement structure At the same time, it overcomes problems such as high temperature deformation and disease, and achieves the effects of eliminating quality variability, significant economic and social benefits, and convenient splicing.
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preparation example Construction
[0054] The present invention also improves a preparation method of super-toughness resin concrete, which comprises the following steps:
[0055] 1) Preparation of resin compound
[0056] Weigh all the materials in proportion, place the weighed bisphenol A epoxy resin, polymethyl methacrylate, polyolefin elastomer and polyamide resin in the mixing pot, heat to 100-160 ° C, stir for 1 After -3 hours, add fibrous wollastonite, nano-carbon fiber, and glass fiber to it, and continue stirring for 2-5 hours; add curing agent and stir evenly, and place it for 5-10 minutes to make a resin compound;
[0057] 2) Preparation of resin cement
[0058] Put the fly ash and calcium carbonate powder into the resin compound and stir, add additives according to the ratio, stir for 5 minutes to 30 minutes, and mix evenly to make resin cement;
[0059] 3) Preparation of resin mortar
[0060] Mix quartz sand of different particle sizes into resin cement and stir evenly to prepare resin mortar;
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Embodiment 1
[0065] The super-toughness resin concrete comprises the following raw materials in parts by weight:
[0066]
[0067]
[0068] Wherein, the filler is a mixture of fly ash, gravel and calcium carbonate powder, and the auxiliary agent includes one or more of curing agent, accelerator, toughening agent, water reducer, defoamer and coupling agent.
Embodiment 2
[0070] The super-toughness resin concrete comprises the following raw materials in parts by weight:
[0071]
[0072] Wherein, the filler is a mixture of fly ash, gravel and calcium carbonate powder, and the auxiliary agent includes one or more of curing agent, accelerator, toughening agent, water reducer, defoamer and coupling agent.
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