| 释义 |
post-ˈstretching, vbl. n. Building.
[post- A. 1 b.]
= post-tensioning vbl. n. So post-ˈstretch v. trans.; post-ˈstretched ppl. a.
1941Concrete & Constructional Engin. XXXVI. 78/2 Test results with structures post-stretched according to Mr. Hewett's method. 1946Ibid. XLI. 147 Post-stretching is carried out against the hardened concrete, no immediate loss owing to elastic deformation of the concrete occurring, and that owing to shrinkage being reduced. Ibid. 195 The post-stretched mild steel reinforcement. 1949P. W. Abeles Princ. & Pract. Prestressed Concrete xii. 92/1 Two kinds of transfer of prestress can be distinguished:—(a) instantaneous release of prestress by severing wires, previously tensioned independently of the members to be prestressed, a process which is called ‘pretensioning’ or ‘pre-stretching’, and (b) gradual release of the prestress by tensioning the wires directly against the hardened body of the member to be prestressed, a process which is called ‘post-tensioning’ or ‘post-stretching’. |