Prefabricated bamboo composite utility tunnel
AssigneesLing YE, Zhejiang Xinzhou Bamboo-Based Composites Technology Co., Ltd.
InventorsLing YE, Xin ZHU, Lin NIU
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Abstract
A composite utility tunnel including a plurality of prefabricated tunnel units which are connected to one another. Each tunnel unit includes a tunnel body and a support component. The tunnel body includes a liner layer, a structural layer and an outer protective layer from inside to outside in the radial direction. The liner layer includes a flame-retardant resin and a flame-retardant fabric. The structural layer at least includes a plurality of bamboo strip layers including winding bamboo strips to which a water-soluble resin is adhered. The outer protective layer at least includes flame-retardant resin; and the support component is secured to an inner surface of the tunnel body.
Claims12
A composite utility tunnel, comprising a plurality of prefabricated tunnel units which are connected to one another, each tunnel unit comprising a tunnel body and a support component;
- wherein
- the tunnel body comprises a liner layer, a structural layer and an outer protective layer from inside to outside in a radial direction;
- the liner layer comprises a first flame-retardant resin and a flame-retardant fabric;
- the structural layer comprises at least a plurality of bamboo strip layers comprising winding bamboo strips to which a water-soluble resin is adhered;
- the outer protective layer comprises at least a second flame-retardant resin;
- and
- the support component is secured to an inner surface of the tunnel body.
Dependencies are inferred from the claim text.