The influence of some main parameters on the fire resistance of the columns subjected to the ISO 834 standard fire is analyzed using RCSSCF.
采用常温下和高温下混凝土矩形柱的试验结果,验证数值模拟程序RCSSCF的有效性,并分析各主要参数对《ISO 834建筑构件耐火试验方法》规定的升温过程下混凝土矩形柱耐火极限的影响规律。
The influence of several parameters, such as load ratio, effective column length, section dimensions, load eccentricity ratio, reinforcement ratio and load angle, on the fire resistance of reinforced concrete column with +-shaped cross section and exposed to the ISO834 standard fire, is analyzed.
利用数值模拟程序RCSSCF分析了荷载比、柱计算长度、截面尺寸、荷载偏心率、配筋率和荷载角等参数对ISO834标准升温作用下钢筋砼等肢十字形柱耐火极限的影响规律。
The modification process of Nano-meter TiO_(2) powders and the influence of nano-meter TiO_(2) powders on improving the performances of fireproofing-dope, such as the limit of endurance heat,limit of endurance water,intensity of feltedand anti-bacterium,had been researched in detail.
研究了纳米TiO2的改性,以及改性后的纳米TiO2对钢结构防火涂料的耐热极限、防水性能、黏结强度及抗菌性能的影响。
The modification process of ZnO whisker by coupling agent and the influence of ZnO whisker on improvement of the performances of fireproof coatings,such as the limit of fire resistance,water resistance,the adhesion,have been researched.
研究了偶联剂改性氧化锌晶须的过程,以及改性晶须对钢结构防火涂料的耐火极限、耐水性能、粘结强度的影响。
This paper proposes a new test method:at 800℃,the limit of fire resistance is the time when the temperature at the designated cover thickness (50 mm) of concrete reinforcement reaches 250℃.
根据混凝土高温性能劣化的特征,提出一种新型测试方法:在800℃,以所设计的混凝土钢筋保护层厚度(50 mm)处温度达到250℃的时间确定为耐火极限。
The limit of fire resistance(as defined by this paper) is the time when the temperature at the surface of rebar has reached 250 ℃ in a oven temperature of 800 ℃ for the RC with a cover of 25mm.
在800℃条件下,以所设计的混凝土钢筋保护层厚度处(50 mm)温度达到250℃的时间确定为耐火极限,研究了不同矿物掺合料制备的盾构管片混凝土在高温作用下的性能。
The results show that under the same standard calefaction curve and the same load (132 74 kN), the fire endurance of naked WGJ510C2 is 39 min and that of Q235 steel is 27 min.
为了确定高性能耐火耐候建筑用钢WGJ510C2的高温耐火特性,对其与普通建筑用钢Q235 在标准炉下进行了耐火极限的对比试验。
,span-depth ratio,thickness of fire insulation,reinforcement ratio,strengthening ratio,thickness of concrete cover,and load ratio) on fire endurance of the strengthened RC beams is analyzed exten.
编制了碳纤维布抗弯加固钢筋混凝土梁的温度场计算程序和耐火极限分析程序,通过数值分析结果与试验结果的对比,初步验证了程序的有效性。
Based on the determination of temperature fields and material stress-strain relations of steel-concrete composite slabs under fire, a theoretical model that calculates deformations and strength of slab in fire and fire endurance is described in the paper.
文章在确定了压型钢板钢 -混凝土组合板 (以下简称组合板 )构件截面温度场分布以及高温下钢材和混凝土应力 -应变关系模型的基础上 ,提出计算压型钢板组合板耐火极限的理论模型 ,理论计算结果和试验结果吻合得令人满意。
duration of fire resistance
耐火极限耐火试验条件下
protected opening
有保护的墙身洞口耐火极限要求的门
Fire Resistance Limit and Fire Protection of Mountain Highway Tunnel Structures
山岭公路隧道结构的耐火极限与防火保护问题
Fire resistance of composite slab has been calculated using a kind of numeric method.
采用数值算法计算了组合板的耐火极限，同时分析了影响组合板耐火极限的参数。
Analysis of Fire Endurance of Reinforced Concrete Slabs Strengthened with Carbon-Fiber-Sheets
碳纤维布加固钢筋混凝土板的耐火极限分析
Study on Calculating the Internal Force and Analysis for the Limit under Fire of RC Frame Structure Subjected High Temperature of Fire;
火灾高温下钢筋混凝土框架结构内力计算及耐火极限分析
Influence of Random Characteristics of Strengths of Steel Bar and Concrete on Fire Resistance of Column at High Temperature
高温下钢筋和混凝土强度随机性对柱耐火极限的影响
EXPERIMENTAL INVESTIGATION ON DURATION OF FIRE RESISTANCE OF RC BEAM REINFORCED WITH HIGH-PERFORMANCE FERROCEMENT LAMINATE
高性能复合砂浆薄层加固RC梁的耐火极限试验研究
high utilization limit refractories
高使用极限值耐火材料
Finite element analysis on fire performance of high strength concrete(HSC) walls
高强混凝土墙耐火性能的有限元分析
The limit of Russian endurance was reached.
俄国人的忍耐力到了极限。
His physical constitution has been strained to the utmost.
他的身体的忍耐力已达到极限。
Fatal concentration was Caucasian Clover 1.2%, Red Clover 1.2%, White Clover 0.9%.
耐盐极限浓度分别是:1.2%,1.2%,0.9%。
W:Coating in casting、referacetory materialdyeelectrode compound etc.
铸造材料、耐火材料、染料、、电极糊等的原料。
Wear-resist Electrodes for Micro-EDM
一种微细电火花加工用耐损耗电极(英文)
Extremely high wear resistance; Permanent anti corrosion; Dust-proof; Impact resistance; Anti static electricity and no spark; Very easy to construct maintain.
极高耐磨性；永久抗蚀性；减少灰尘；耐冲击；防静电、发火；施工方便。
He drank more brandy and soda than he had any evening in months.
他的心灵受到了剧烈的震撼，忍耐力已接近极限。
The last straw was when I heard someone humming behind me.
这时背后传来的哼唱声使我的忍耐到了极限。