Special Inspectors (Part One)-Fabrication and Shipment Cracks in Prestressed HollowCore Slabs and Double Tees

Fabrication and Shipment Cracks in Prestressed HollowCore Slabs and Double Tees

Pdf Summary

The document discusses various types of cracks that can occur during the fabrication and shipment of prestressed hollow-core slabs and double tees. It provides descriptions of each type of crack, identifies their causes, and offers suggestions for prevention and repair.<br /><br />In Chapter 1, the document introduces the purpose of the report, which is to catalog cracks that occur during the fabrication and shipment process. It also provides a word of caution that the report may not cover every variation or extreme case.<br /><br />Chapter 2 provides definitions of terms used in the report, such as anneal, blocking, crack, and more.<br /><br />Chapter 3 focuses on cracks in hollow-core slabs, including longitudinal cracks at the void or web, transverse cracks, and corner cracks, among others. The causes, prevention measures, effects, and repair methods are provided for each type of crack.<br /><br />Chapter 4 discusses cracks in double tees, including horizontal cracks in the stem, vertical cracks at the top or bottom of the member, and diagonal cracks in the stem. Similarly, the causes, prevention measures, effects, and repair methods are provided for each type of crack.<br /><br />Overall, the document serves as a guide for identifying cracks in prestressed hollow-core slabs and double tees and offers suggestions for preventing and repairing them.

Keywords

cracks

fabrication

shipment

prestressed

hollow-core slabs

double tees

types of cracks

causes

prevention measures

repair methods