Some ways to control the surface cracks in the continuous cast slab were proposed.
提出了避免连铸板坯产生表面裂纹的措施。
The reasons of such defects were related to the quality of liquid steel and continuously cast slab.
产生表面夹杂和裂纹缺陷的主要原因与钢液质量和连铸坯质量有关。
A strain analysis model for continuously cast slab has been established on the basis of a thermal analysis model.
以凝固传热模型为基础,建立了连铸板坯应变分析模型。
Fixed length cutting of continuous cast slab is the key point of affecting finished product rate in production process of continuous casting.
连铸坯的定尺切割是连铸生产工艺中影响成材率的重要环节。
There were some precision decreasing problems caused by abrasion and slippage which occurred in the roller for measuring continuous cast slab length.
检测辊存在磨损、打滑等因素影响一次切割定尺精度。
Using material rheology theory, the strain caused by bulging, misalignment and straightening in continuous cast slab is analysed systematical in this paper.
应用材料流变学理论系统地分析了连铸坯的鼓肚变形、错弧变形及矫直变形。
The longitudinal surface cracks of continuous cast slab results from the thickness inhomogeneity of the initially solidified shell at the meniscus of mould.
连铸板坯表面纵裂起因于结晶器弯月面初生凝固坯壳厚度的不均匀性。
However, based on the thermodynamics, there are different opinious regarding the analysis of V(C, N) particles in the water-quenched continuously cast slab.
然而,基于热力学平衡考虑,对铸坯中V(C,N)的析出分析存在争议。
The central segregation of continuously cast slab of 10CrNiCu steel and its effect on mechanical properties were studied by original position analysis(OPA).
采用原位分析技术对不同结晶态的低合金钢连铸方坯的成分分布、偏析、疏松、夹杂和其他缺陷进行了分析。
Factors influencing transverse corner cracks in continuously cast slab, such as mold powder, secondary cooling, processing parameters of the mold, casting speed, etc.
分析了影响板坯角部横裂的结晶器保护渣、二冷水、结晶器、浇注速度等工艺因素。
In order to compute bulging of wide face of continuous cast slab, it is necessary to solve a third order differental equation for creep or a second order one for elastoplastic deformation.
连铸板坯宽面鼓肚对铸坯中心偏析和裂纹有较大影响,为计算板坯宽面鼓肚,按蠕变规律,需解一个三阶微分方程,按弹塑性规律,需解一个二阶微分方程,十分费时。
Transverse corner crack is one of the most serious problems in continuous cast slab. With a great number of cracks the slab will witness serious defects and practical operation is badly influenced.
角部横向裂纹(简称角部横裂)是连铸板坯较严重的表面缺陷之一,其对铸坯的生产和质量影响很大。
The design of cast-in-place prestressed concrete hollow slab is different from concrete hollow cast slab or prestressed concrete slab, these differences should be paid attention to during the design.
]大跨度预应力空心板的设计有不同于普通混凝土空心板和预应力实心板之处,需要在设计中加以注意。
So as to maintain stability, the existing floors composed of cast-iron posts and slab beams were methodically replaced by a new structure composed of mushroom posts and concrete floors poured on site.
为了保证稳定性,由铸铁构件和厚板梁组成的原有楼层均被由一种新的结构来取代,这种新的结构由新型连接构件和现浇混凝土楼板组成。
Furthermore, the paper studied on special construction process about thick slab welding technique, cast steel site-welding technique and cell cantilever assembly without scaffold technique.
在超高层的钢结构施工技术方面,本文则重点研究了现场厚板焊接技术、铸钢节点焊接技术和单元扩大悬臂安装施工技术的原理及技术要点。
A recess former (30) is disclosed for use with anchors (35) which are to be cast into a concrete slab (61).
公开了一种用于与待铸入混凝土板材(61)中的锚杆(35)一起使用的凹部成形器(30)。
The slab caster machine head is the most decisive caster section which has an influence on the surface quality of the cast strand.
板坯连铸机机头是对铸坯表面质量有决定性影响的因素。
Various bending causes occurred during production of aluminum alloy slab are analyzed combined with the actual situation of using vertical well to cast 3003, 1100 aluminum alloy slab in certain plant.
结合某厂竖井铸造生产3003、1100等铝合金扁锭的实际情况,对铝合金扁锭生产过程中出现弯曲现象的各种原因进行分析,提出了合理的预防及控制措施。
Based on elastic theory, in this paper cast-in-situ RC hollow flat slab is converted to orthotropic plates by the pseudo-plates theory and the equilibrium equation is built.
本文在经典弹性薄板理论的基础上,通过拟板法将双向空心板等效为正交各向异性的实心板,建立无梁空心楼板的平衡方程。
The slab caster machine head is the most decisive caster section which has an influence on the surface qualify of the cast strand.
板坯连铸机的前部是最重要的设备部件,它对铸坯的表面质量有很大影响。
The cracking causes of cast in place concrete slab was discussed on three aspects: concrete materials, concrete slab construction and design. And some corresponding precautions are suggested.
从混凝土材料本身、施工、设计三个方面分析了混凝土现浇楼盖产生裂缝的原因,并提出了相应的预防控制措施。
The bow-shaped frame slab cast (2) is formed by integrally casting a bow-shaped frame upper arm (21), a bow-shaped frame lower arm (22) and a bow-shaped frame lateral slab (28).
弓架平板铸件(2)由弓架上臂(21)、弓架下臂(22)和弓架侧平板(28)铸 造成一体件。
The span between two such diaphragm walls can easily be bridged with precast reinforced concrete beams or a cast in-site reinforced concrete slab to complete the main shell of the tunnel.
使用预制钢筋混凝土梁或者现浇钢筋混凝土板会很容易将两侧地下连续墙的跨度空间连接起来,从而完成隧道的主壳。
It is a new form of hollow floor slab cast in place with thin plastic box being used as inner formwork and has the advantages of easy construction, high hollowness and good economical benefit.
蜂窝式现浇混凝土空心楼板使用薄壁塑料盒作为内模,是一种新型的现浇空心楼板形式,具有施工简单、空心率大、经济效益好等优点。
This paper states the causes and prevention measure of longitudinal crazing of joints of pre - cast floor slab from the aspects of design, construction and material.
本文从设计、施工、材料等方面论述了预制楼板板缝纵向开裂产生原因及防治措施。
This paper gives 2008 Beijing Olympic Game Shooting Gymnasium as an example, illustrates the construction procedure of large-span cast-in-situ prestressed concrete hollow slab.
以2008年奥运会北京射击馆为例,说明大跨度现浇预应力空心板结构的施工过程。
Based on the finite element analysis, the early crack condition of a cast-in-place reinforced concrete slab is evaluated by the crack resistant coefficient.
通过对钢筋混凝土现浇楼板的有限元分析,提出用抗裂系数来评价现浇楼板在早期的裂缝状况,并针对楼板的不同部位采用对应的裂缝评价标准。
The quality levels of slabs cast from typical steel grades have been evaluated, and recommendations for improvement of slab quality have been also made.
评价了典型钢种连铸坯的质量水平;提出了改善铸坯质量的建议;
With asbestos cement mortar pipe being used as inner liner, concrete is cast to form hollow slab.
以石棉水泥砂浆离心管作为内模衬管,浇筑混凝土后构成现浇混凝土空心板。
With asbestos cement mortar pipe being used as inner liner, concrete is cast to form hollow slab.
以石棉水泥砂浆离心管作为内模衬管,浇筑混凝土后构成现浇混凝土空心板。
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