桥梁

es. Load and resistance parameters are treated as random variables, and therefore, the structural performance is measured in terms of the reliability index. The statistical parameters of dead load

sticity (ultrasonic pulse velocity), Possion’s ratio (ultrasonic pulse velocity), thickness of concrete slab or wall (ultrasonic pulse velocity), CFRP debonding (hammer test/infrared thermographic

– Maximum design live load was changed from 200 kN to 250 kN. （ iii） Retrofitting works due to revised design specifications. – For example, there was no design method for stiffened plates in JSHB

elasticity (ultrasonic pulse velocity), Possion’s ratio (ultrasonic pulse velocity), thickness of concrete slab or wall (ultrasonic pulse velocity), CFRP debonding (hammer test/infrared thermographic

different loading rates and magnitudes are chosen as dynamic loads to simulate the weight loads caused by moving vehicles on road. Fullsize image (45K) Fig. 2. Experimental setup. Fig. 3 shows a

or the abutments was made necessary by the settlement of the connecting raised trackbeds as a result of the pressible subsoil which might subject the piles to bending. Prestressedconcrete driven

eveloped by NRS. The cycle for construction of each 5m wide bridge segment is a week, and two mobile units are being used on the Sundoya Bridge. These particular units were built for AS Anlegg to use

型湿喷机和 MBT/MEYCO砼喷射机械手进行“湿崐喷作业”以降低粉尘，减少回弹量。 其工艺流程如下图。 料场 速凝剂 ↓ ↓ → 配料 → 拌合机 → 喷射机 喷嘴 ↑ ↑ 早强剂等外加剂 高压风 a．配合比 砂、石料由试验室按照规范选用合格料，水经过化验合格才可使用。 初定配合比如下： 水泥：砂：碎石：水 =1:2:2: 以上为参考配合比，施工中结合实际由实验室选定