芬兰复合材料制造商Exel Oy已赢得一项合同,用3.7m高的玻璃钢进场灯柱(指示着陆)配备Stockholm的Arlanda空港的新跑道。此灯柱的设计必须满足一些标准。最重要要求之一是必须在碰撞事件时满足ICAO的脆性规定;此立法在2005年生效。此灯柱还须能经受住劲风荷载而不断裂,因为在冬季其将曝露在≥40m/s的风速和沉重的冰荷载(表面冰厚 Exel Oy, a Finnish composite manufacturer, has won a contract to equip the new runway at Arlanda Airport in Stockholm with a 3.7-meter-high fiberglass entry lamp post (indicating landing). The design of the lamp post must meet some criteria. One of the most important requirements is that ICAO’s brittle provisions must be met in the event of a collision; this legislation came into force in 2005. The lamppost must also be able to withstand the breeze load without breaking as it will be exposed to wind speeds of ≧ 40 m / s and heavy ice loads (surface ice thickness