SPP 1182: Building Sustainable with Ultra-High-Performance Concrete (UHPC)

标准混凝土建筑物传统上是沉重的，巨大的，并消耗大量的能源和原材料。一方面，这是由于砾石、沙子和水泥成分的高密度以及水泥生产每年约70千兆焦（GJ）的高能耗造成的。另一方面，标准混凝土的强度是有限的，因为为了吸收建筑物中出现的负荷和应变，需要具有钢筋的大型材。在宽悬挂装置的情况下-如桥面或主梁-混凝土的自重限制了可能的跨度，但不限制工作载荷。

Buildings out of standard concrete are traditionally heavy, massive and spend considerable quantities of energy and raw materials. On the one hand this is caused by a high density of the constituents gravel, sand and cement and by a high energy consumption of annually about 70 Gigajoule (GJ) for the cement production. On the other hand the strength of standard concrete is limited because big profiles with steel reinforcement are necessary in order to absorb loads and strains which appear in the building. In case of wide suspended devices - like bridge decks or girders - the own weight of the concrete limits the possible span but not the working load.