| 释义 |
prestress
prestress (ˌpriːˈstrɛs) vb (Building) (tr) to apply tensile stress to (the steel cables, wires, etc, of a precast concrete part) before the load is appliedpre•stress (priˈstrɛs)
v.t. 1. (in certain concrete construction) to apply stress to (reinforcing strands) before subjecting to a load. 2. to make (a concrete member) with prestressed reinforcing strands. [1930–35] prestress
Past participle: prestressed
Gerund: prestressing
| Imperative |
|---|
| prestress | | prestress |
| Present |
|---|
| I prestress | | you prestress | | he/she/it prestresses | | we prestress | | you prestress | | they prestress |
| Preterite |
|---|
| I prestressed | | you prestressed | | he/she/it prestressed | | we prestressed | | you prestressed | | they prestressed |
| Present Continuous |
|---|
| I am prestressing | | you are prestressing | | he/she/it is prestressing | | we are prestressing | | you are prestressing | | they are prestressing |
| Present Perfect |
|---|
| I have prestressed | | you have prestressed | | he/she/it has prestressed | | we have prestressed | | you have prestressed | | they have prestressed |
| Past Continuous |
|---|
| I was prestressing | | you were prestressing | | he/she/it was prestressing | | we were prestressing | | you were prestressing | | they were prestressing |
| Past Perfect |
|---|
| I had prestressed | | you had prestressed | | he/she/it had prestressed | | we had prestressed | | you had prestressed | | they had prestressed |
| Future |
|---|
| I will prestress | | you will prestress | | he/she/it will prestress | | we will prestress | | you will prestress | | they will prestress |
| Future Perfect |
|---|
| I will have prestressed | | you will have prestressed | | he/she/it will have prestressed | | we will have prestressed | | you will have prestressed | | they will have prestressed |
| Future Continuous |
|---|
| I will be prestressing | | you will be prestressing | | he/she/it will be prestressing | | we will be prestressing | | you will be prestressing | | they will be prestressing |
| Present Perfect Continuous |
|---|
| I have been prestressing | | you have been prestressing | | he/she/it has been prestressing | | we have been prestressing | | you have been prestressing | | they have been prestressing |
| Future Perfect Continuous |
|---|
| I will have been prestressing | | you will have been prestressing | | he/she/it will have been prestressing | | we will have been prestressing | | you will have been prestressing | | they will have been prestressing |
| Past Perfect Continuous |
|---|
| I had been prestressing | | you had been prestressing | | he/she/it had been prestressing | | we had been prestressing | | you had been prestressing | | they had been prestressing |
| Conditional |
|---|
| I would prestress | | you would prestress | | he/she/it would prestress | | we would prestress | | you would prestress | | they would prestress |
| Past Conditional |
|---|
| I would have prestressed | | you would have prestressed | | he/she/it would have prestressed | | we would have prestressed | | you would have prestressed | | they would have prestressed |
prestress
prestress[¦prē′stres] (engineering) To apply a force to a structure to condition it to withstand its working load more effectively or with less deflection. (geology) preconsolidation pressure prestress1. The stress developed in prestressed concrete. 2. To apply loads to a structure or to a structural element for the purpose of beneficially modifying internal stresses. |