并对新老混凝土粘结面冻融损伤机理进行了探讨。
The freezing deteriorate mechanism of concrete itself and adherence of new-old concrete were discussed.
最后,给出提高新老混凝土界面粘结强度和降低粘结面剪应力的方法。
At last, the approach of increasing bonding strength and decreasing shearing stress is presented.
总结了新老混凝土粘结面粗糙度处理及评定方法,阐述了沟槽法处理老混凝土表面的优越性。
The treating methods for the interfacial roughness of new to old concrete are summarized, and the advantages of cutting groove method are given.
当承受剪力和拉力时,粘结面是新老砼粘结结构受力的薄弱环节,使用合适的界面剂可以提高其粘结强度。
Bond plane is the tache of weakness for the new and old concrete bond structure when withstanding shear force and tension. Appropriate interfacial agent can improve bond strength.
我们使用的是进口的粘结胶可以达到750度,并且刹车片粘结面超过80%从而排除由于刹车片粘结不够而造成脱落。
We are used is the import assembly glue can reached 750 degrees, and the brake pad bonding surface more than 80%.
对粘结面采用灌砂法和功率谱法分维对比分析后认为,功率谱法的分维值及相应的截距可对粘结面大的波形起伏与粗糙点进行描述。
Through the comparative analysis of the sand filling method and fractional dimension of power spectrum method, we can find that the great wave of the...
在新老混凝土粘结面断裂性能试验的基础上,建立了新老混凝土粘结面断裂破坏模式,分析讨论了界面层特性及界面微裂缝扩展对新老混凝土粘结面断裂性能的影响。
Based on the adhesive fracture test results of new and old concrete of the authors, a toughness model of adhesive interface of new and old concrete is put forward.
分析认为,济钢大板坯连铸机出现粘结漏钢的原因是保护渣的性能不良,其中液渣层厚度、渣耗量及玻璃相比例偏低,以及结晶器液面波动,拉速提升过快等。
Analysis consider that the reason of breakout by sticking is bad capability of the powder, such as lower depth of liquid powder, less consumption and low proportion of glass phase in the powder.
在粘结之前,必须保证釉质有良好的干燥面。
It must be sure that enamel surface is quite dried before bond.
在连续载荷下,因为磨损和压紧,该滑动面是光滑的,将导致粘结应力的进一步下降,类似于无节钢筋的情况。
Under continued loading the sliding surface is smoothed due to wear and compaction, which will result in a further decrease of the bond stress, similar to the case of plain bars.
结果表明:当对流受热面在较长时间内不吹扫时,不会产生粘结性很强的积灰,对下一次除灰效果影响较小;
The experiment result shows that ash can not adhere to the heating surfaces firmly and there is little impact on the next sootblowing effect in case of no sootblowing in given period.
楼地面、抹灰面大面积隆起是由粘结层剪力破坏而致。
The big area of swelling floor surface and plastering floor result from the destruction of shearing stress from the adhesive layer.
以自制的可再分散乳胶为主要成膜物质,结合水泥水硬性无机粘结剂制备了腻子面漆二合一内墙涂料,重点讨论了可再分散乳胶粉、纤维素醚、粉状憎水剂对涂膜性能的影响。
Putty and finish two-in-one interior wall coating was preparation by use of re-dispersible emulsion powders prepared in the lab as film forming materials and cement as inorganic binder.
一种由多个玻璃片叠层构成的超薄屏面,这些玻璃片可以涂敷透明的包层物质或可以不涂敷,利用环氧树脂或粘结剂固定在一起。
An ultrathin panel comprised of stacking a plurality of glass sheets, which may be coated with a transparent cladding substance or may be uncoated, fastened together using an epoxy or adhesive.
并且后期破坏不以剪切破坏为主,而是沿着粘结破坏面形成的薄弱面发生拉压式破坏。
Failure mode is bending failure along the surface occurred by bond-type damage, take the place of shear failure.
它可改良面条组织的粘结力,减少断头率和湿面回头率,提高正品率,还对挂面的酸度有抑制作用。
It can eliminate adhesion stress of noodle organization, reduce rate of broken and wetted flour, enhance rate of quality goods; furthermore, it can restrain the acid of noodle.
耐磨性好,粘结性佳,可直接在防水层在抹灰,找平和粘贴各种饰面瓷砖。
Good wear resistance, good adhesion, directly in the waterproof layer in the plaster, leveling and paste the tiles of various finishes.
耐磨性好,粘结性佳,可直接在防水层在抹灰,找平和粘贴各种饰面瓷砖。
Good wear resistance, good adhesion, directly in the waterproof layer in the plaster, leveling and paste the tiles of various finishes.
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