confirm什么意思建筑施工混凝土裂缝的预防与处理大学毕业论文外文文献翻译及原文

毕

业

设

计（论文）

外

文

文

献

翻

译

文献、 资料中文题目：

建筑施工混凝土裂缝的预防与处理

文献、资料英文题目：

文献、资料来源：

文献、资料发表（出版）日期：

院

（部）

：

专

业：

土木工程

班

级：

姓

名：

学

号：

指导教师：

翻译日期：

2017.02.14

英文原文：

Building construction concrete crack of

prevention and processing

Abstract

The crack problem of concrete is a widespread existence but again difficult in

solve of engineering actual problem, this text carried on a study analysis to a little bit

familiar

crack

problem

in

the

concrete

engineering,

and

aim

at

concrete

the

circumstance put forward some prevention, processing measure.

Keyword:

Concrete crack prevention processing

Foreword

Concrete's

is

1

kind

is

anticipate

by

the

freestone

bone,

cement,

water

and

other mixture but formation of the in addition material of quality brittleness not and

all material. Because the concrete construction transform with oneself, control etc. a

series problem, harden model of in the concrete existence numerous tiny hole, spirit

cave and tiny crack, is exactly because these beginning start blemish of existence just

make

the

concrete present

one

some

not

and all

the

characteristic

of quality.

The

tiny crack is a kind of harmless crack and accept concrete heavy, defend Shen and a

little

bit

other

use

function

not

a

creation

to

endanger.

But

after

the

concrete

be

subjected

to

lotus

carry,

difference

in

temperature

etc.

function,

tiny

crack

would

continuously of expand with connect, end formation we can see without the aid of

instruments of macro view the crack be also the crack that the concrete often say in

the engineering.

Concrete building and Gou piece usually all take sewer to make of, because of

crack of existence and development usually make inner part of reinforcing bar etc.

material

creation

decay,

lower

reinforced

concrete

material

of

loading

ability,

durable and anti- Shen ability, influence building of external appearance, service life,

severity

will

threat

arrive

people's

life

and

property

safety.

A

lot

of

all

of

crash

of

engineerings

is

because

of

the

unsteady

development

of

the

crack

with

the

result

that. Modern age science research with a great deal of of the concrete engineering

practice

certificate,

in

the

concrete

engineering

crack

problem

is

ineluctable,

also

acceptable

in

certainly

of

the

scope

just

need

to

adopt

valid

of

measure

will

it

endanger degree control at certain of scope inside. The reinforced concrete norm is

also explicit provision: Some structure at place of dissimilarity under the condition

allow existence certain the crack of width. But at under construction should as far as

possible

adopt

a

valid

measure

control

crack

creation,

make

the

structure

don't

appear

crack

possibly

or

as

far

as

possible

decrease

crack

of

amount

and

width,

particularly

want

to

as

far

as

possible

avoid

harmful

crack

of

emergence,

insure

engineering quality thus.

Concrete crack creation of the reason be a lot of and have already transformed

to

cause

of

crack:

Such

as

temperature

variety,

constringency,

inflation,

the

asymmetry sink to sink etc. reason cause of crack; Have outside carry the crack that

the

function

cause;

Protected

environment

not

appropriate

the

crack

etc.

caused

with chemical effect. Want differentiation to treat in the actual engineering, workout

a problem according to the actual circumstance.

In the concrete engineering the familiar crack and the prevention

Suo crack and prevention

Stem the Suo crack much appear after the concrete protect be over of a period

of time or concrete sprinkle to build to complete behind of around a week. In the

cement

syrup

humidity

of

evaporate

would

creation

stem

Suo,

and

this

kind

of

constringency is can't negative. Stem Suo crack of the creation be main is because of

concrete

inside

outside

humidity

evaporate

degree

dissimilarity

but

cause

to

transform dissimilarity

of

result: The

concrete

is

subjected to exterior

condition

of

influence,

surface

humidity

loss

lead

quick,

transform

bigger,

inner

part

degree

of

humidity variety smaller transform smaller, bigger surface stem the Suo transform to

be subjected to concrete inner part

control, creation more big pull should dint but

creation crack. The relative humidity is more low, cement syrup body stem Suo more

big, stem the Suo crack be more easy creation. Stem the Suo crack is much surface

parallel lines form or the net shallow thin crack, width many between 0.05-0.2 mm,