学术英语 写作

根据饱和土理论及地震波孔洞散射特性，采用积分变换和引入势函数的方法，推导出由水、土两相

耦合作用的饱和土体

Green

函数， 建立了半无限空间饱和土体中孔洞对地震波散射问题的边界元积

分方程。通过计算表明， 地震波在传播过程中，由于孔洞的存在会使孔洞周边应力增加倍，因此在

进行隧道及地下 结构抗震设计时应该充分考虑这一影响因素。同时，考虑隧洞边界透水性对地震散

射的影 响，通过计算表明，其它条件相同，不透水边界的隧洞应力集中系数比透水边界下的隧洞应

力集中系数大许多。

(1)Considering water, soil two-phase coupling of saturated soil pore structure under earthquake waves

responses were analyzed. According to saturated soil theory and seismic hole scattering properties ,using

integral

transformation

and

method

of

introducing

potential

function

derived

from

water,

soil

two-phase

coupling of saturated soil Green function, established half space saturated soil pores body on seismic wave

scattering BEM integral equation problems. By calculations show that seismic wave propagation due to the

presence

of

holes

will

increase

in

times

of

stress

surrounding

the

hole,

thus

making

tunnels

and

underground seismic design should take full account of the factors. At the same time, to consider the impact

of

seismic

scattering

permeable

border

tunnel

through

calculations

show

that,

other

things

being

equal,

impermeable border tunnel stress concentration factor for many large stress concentration factor than the

tunnel under the permeable boundary.

(2)

将隧洞周边土体采用饱和土理论，隧洞衬砌采用考虑剪切和转 动变形的曲线梁振动理论，分

析了地震波作用下饱和土体中圆形隧洞衬砌的动力响应问题 。对于饱和土体中的散射波场采用波函

数展开法，曲线梁的振动控制微分方程釆用一般化 的微分求积法。由饱和土体与衬砌接触处的位移

协调条件，采用最小二乘法确定波函数未 知系数项。计算结果表明：当入射波频率较低时，衬砌结

构的入射面与背对面的动力响应 几乎是对称的；随着入射频率的增加，衬砌结构的入射面与背对面

不再具有对称性，且衬 砌结构的入射面的动力响应要大于背对面。

(2)Using

of

tunnel

surrounding

soil

saturated

soil

theory,

Considering

the

use

of

tunnel

lining

and

vibration of rotational shear deformation curve beams, dynamic analysis of saturated soils under seismic

waves in circular tunnel response to problems. For the saturated soil in the scattered wave field using wave

function expansion method, vibration curve beam control Differential Quadrature Method preclude the use

generalized

differential.

Coordinated

by

the

displacement

of

saturated

soil

and

lining

contact

points

to

determine the unknown coefficients of the wave function items using the least squares method. The results

show that: when the incident wave frequency is low, the incident surface and dynamic response across the

back lining structure is almost symmetric; the incident frequency increases, opposite the incident surface

and the back lining structure no longer has the symmetry, and lining power incident surface is greater than

the response back to front.

(3)

研究了土体分层情况下的饱和土体中隧道结构在地震波作用下的动力响应。由于地 质演变等

原因，实际工程中土体是分层的，所以采用层状土体模型更能够反映工程实际土 体的特征。本文采

用有限差分方法对地震波作用下层状饱和土体中隧道衬砌结构的动力响 应进行求解，并以南昌地铁

1

号线珠江站地铁隧道为工程背景建 立计算模型，计算分析了地铁隧道结构的动力响应，并给出相

关的减震措施建议，为工程 设计和施工提供参考。

(3)The tunnel structure layered soil saturated soil dynamic response in case of earthquake wave action

was

researched.

Because

of

the

geological

evolution

of

other

reasons,

the

actual

project

Turkey

body

is

hierarchical, so the use of layered soil model more able to reflect the characteristics of engineering soil. In

this paper, the finite difference method for dynamic layered saturated soils under seismic body waves in the

tunnel lining structure response is solved and Nanchang Pearl River Station Metro Line 1 subway tunnel

engineering background calculation model, calculation and analysis of the dynamic structure of the subway

tunnel

in

response,

damping

measures

and

give

relevant

recommendations

to

provide

a

reference

for

engineering design and construction.

(4)

对饱和土体中隧洞结构在地震波作用下的动力响应进行了室内 模型试验，同时以江西都九高

速公路温泉隧道为工程背景，对温泉隧道衬砌结构进行人工 爆破地震作用下的动力响应原型测试试

验，测试结果为理论研究和工程设计与施工提供了 可靠的试验数据。

(4)The structure of the tunnel saturated soil under earthquake wave response of the model tests, while

Jiangxi are 9 highway tunnel engineering background spa, hot spring power tunnel lining structure under

seismic effects of blasting in response to the prototype test trials the test results for the theoretical research

and engineering design and construction to provide a reliable test data.