The invention discloses a heat preservation and energy saving type
assembly modular building structure, and relates to the technical field of
building energy saving. The heat-preservation and energy-saving type
assembly modular building structure comprises modular wallboard units, each modular wallboard unit sequentially comprises a concrete panel, a modified
polyurethane foam layer, a vacuum insulation panel layer and a
graphite polystyrene board from outside to inside, all the
layers are fixed through
glass fiber reinforced plastic rib plates, PVC pipeline grooves are pre-buried in the rib plates, and the modular wallboard units further comprise three-section type connecting pieces, the three-section type connecting piece comprises a stainless steel outer section, a PA66 + 40%
carbon fiber composite material interruption section and a
glass fiber reinforced
epoxy resin inner section. According to the modular wallboard, a four-layer gradient structure of the concrete panel, the PUR heat preservation layer, the VI P super heat
insulation layer and the GPS inner layer is adopted, and the FRP rib plate orthogonal grid support is combined, so that the unification of efficient heat insulation and structural strength is realized; the connecting piece adopts a three-section composite design of a stainless steel outer section, a PA66 interruption section and an
epoxy resin inner section, and the
aerogel heat
insulation layer and the spiral water guide groove are combined, so that the problems of heat bridge and leakage of a traditional connecting piece are solved.