在法国巴黎普罗旺斯歌剧院的地下车库为锚固一预应力混凝土墙替代传统的高强度钢而用Dow Plastic的Derakane树脂的玻璃钢复合材料杆。这些复合材料杆捆扎成拉杆放在和现有建筑物同高的30米深的沟内。 Bachy公司选择复合材料,这是因为靠近该处要建造地铁站马上要用上一隧道钻孔 The underground garage of the Provence Opera House in Paris, France, is a glass-steel composite rod that uses Dork Plastic’s Derakane resin to anchor a prestressed concrete wall instead of traditional high-strength steel. These composite rods are bundled into rods placed in the same 30-meter-deep trenches as existing buildings. Bachy chooses composite materials because it is necessary to build a subway station near the site and it is necessary to use a tunnel to drill