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The
penstocks
used
for
Yellow River
Xiaolangdi
is of
super
size
,
it is
made
of
steel
plate
A517 under
American
Standard
ASTM
.
黄河小浪底水利枢纽工程引水压力钢管属超大型压力钢管，采用美国ASTM标准A517钢板焊制。
Because
of its
super
size
and
high
strength
,
during
fitting
and
welding
after
preheating
,
splaying
crack
in the
penstocks
occurred
.
压力钢管因尺寸超大、刚度强，预热装配和焊接过程中出现焊缝张开及缺陷严重超标的现象。
The
processes
of
preheating
and
welding
of super
scale
penstocks
were
detailed
.
本文详细叙述了巨型压力钢管的预热装配和焊接过程。
Calculating
Crack
Width
of
Penstocks
with
Inner
Steel
Liner and Reinforced Concrete Due to Its
Internal
Pressure
内压作用下钢衬钢筋混凝土压力管道裂缝宽度计算公式
Welding
of
Super
Size
Penstocks
Made
of High Strength Quenched-
tempered
Steel
超强调质钢巨型压力钢管的焊制
The
selection
of
joint
shape
of the last annular
weld
of the
steel
-
penstocks
of
Three Gorges
Project
三峡工程压力钢管下平段凑合节合拢缝选型试验
Welding
penstocks
in
all
directions
by
an
automatic
welder
压力钢管全位置自动化焊机及其应用
Concrete
Encasement
Construction
Technology
of Three
Gorges
Powerhouse
Penstocks
三峡厂房坝段引水钢管外包混凝土施工技术
Numerical analysis and verification of
penstocks
without
contraction
joints
for
large
hydropower station
某大型水电站取消厂坝间压力钢管伸缩节研究
Reliability
calibration
analysis
of
exposed
penstocks
for
hydropower stations
水电站压力钢管明管的可靠度校准分析
Nonlinear
finite
element
analysis
of
steel
lined
reinforced concrete
penstocks
of
downstream
concrete
dam
坝下游面钢衬钢筋混凝土管非线性有限元分析
The
Bearing Capacity
of
a
New
Style
Double
Layer
Combined
Steel
Penstocks
一种新型组合套管式地下埋管的承载特性分析
Influence
of Hydrostatic
Pressure
Tail
-
cut
Distribution
on
Reliability
Analysis
of
Penstocks
压力钢管可靠度分析中静水压力截尾分布的影响
Analysis
of
cracks
causation
of reinforced concrete
penstocks
of
Yangling
Hydropower station
杨凌水电站钢筋混凝土压力管道裂缝成因分析
Study on
formulas
for calculating
crack
width
of
penstocks
with inner
steel
liner
and outer reinforced concrete
钢衬钢筋混凝土压力管道裂缝宽度公式的探讨
Optimization
design
of
double
steel
liner
-
reinforced concrete
penstocks
under sky-high
water
level
超高水头双钢衬钢筋混凝土引水压力管道的优化设计
Study
of
steel
line
and
steel
fiber
concrete
back
penstocks
钢衬钢纤维混凝土背管结构研究
Study
on
safety
inspection
and
evaluation
of
steel
penstocks
of
hydroelectric stations
水电站压力钢管安全检测与评估研究
The
Reinforcement
and
Recreation
of
Penstocks
in Fengman
Hydropower
Project
丰满水电站老压力钢管加固与改造
Discussion
on
Specifications
for
Design
of
Penstocks
(
Continued
)
关于压力钢管设计规范的讨论（续）
Study
on
penstocks
without
expansion
joint
between
dam and powerhouse in
Three Gorges
Project
三峡工程水电站厂坝间压力钢管取消伸缩节研究
Study
on the
calculation
of the
axial
stresses
of
large
diversion
penstocks
大型引水压力管道轴向应力分析计算研究
Boundary
effect
analysis
and
stress
calculation
of
manhole
for
steel
penstocks
in
Qiapuqihai hydropower station
压力钢管进人孔边界效应分析与应力计算
Research
on
Thermal
Stresses
of
Steel
-
Lined
Reinforced Concrete
Penstocks
钢衬钢筋混凝土压力管道温度应力研究
Analysis
on
Application
of
Heavy
Plate
for
Domestic
Pressure
Vessels and
Penstocks
国内压力容器和压力钢管用厚钢板使用情况分析
Section
-
stress
calculation
method
of
steel
fiber
concrete
penstocks
with
steel
lining
内水压下钢衬钢纤维混凝土压力管道截面应力计算
Software
System
Design
of CBS
Inspection
for
Penstocks
with
Insulating
Layer
带保温层压力管道CBS检测软件系统设计
Optimization
of
arrangement
of
steel
lining
reinforced concrete
penstocks
on the
downstream
surface
of
dams
坝下游面钢衬钢筋混凝土管道结构优化布置
Study
on
crack
control
of
concrete
wall of
steel
lined
reinforced
concrete
penstocks
钢衬钢筋混凝土压力管道外包混凝土的裂缝控制研究
Construction
of
left
bank
diversion
penstocks
for
Three Gorges
Project
三峡工程左岸引水压力管道施工综述