The paper reviews the experimental results of chloride permeability of reinforced concrete cover based on ASTM C1202,and states that the resistance of ordinary marine concrete against chloride penetration is poor and the performance of concrete against chloride penetration can be remarkably improved by admixing with silica fume .

描述了按A STM C 1202方法試驗研究保護層混凝土的氯離子滲透性能日本色一区二区三区，指出以往普通港工混凝土的抗氯離子滲透性能較低18分钟好痛视频，而摻入硅灰能顯著提高混凝土的抗氯離子滲透性能欧美性交大全。

From the bending strength for 12 years, it can be found that the polymer-mortar possessed excellent binding and durability. Hence, the polymer-mortar can be widely used as agglutinating of old-fresh concrete, stick ing steep plate and surface whitewashing at structure reinforced.

根據(jù)12年齡期的粘結抗彎強度試驗結果亚洲国产综合精品一区二区，聚醋酸乙烯砂漿不但具有優(yōu)良的粘結性能日韩精品一区二区一级毛片，還具有良好的耐久性老熟女人XX视频appr，可廣泛用于新老混凝土的粘結最新精品国偷自产在线97、修補及結構加固中的鋼板粘貼和表面粉刷等。

It's a change that antedates the financial crisis, and I think it will only be reinforced by the financial crisis.

而這種轉變發(fā)生在金融危機之前www..com黄色A片免费观看，而且我認為金融危機只會加劇這種轉變黄片一级域名。

In two dimensional numerical model .Reinforced effect of spud for antis lip, anchor cable, geogrid to real slops are analyzed and evaluation of degree of safety in slop stability is given.

考慮了水對土體的上浮力和降雨對邊坡穩(wěn)定性的影響，并在二維模型中分析了抗滑樁欧美性爱,亚洲、錨索黄页网站1688www欧洲人妻毛片、土工格柵對實際邊坡穩(wěn)定性的加固作用，給出了邊坡穩(wěn)定性的穩(wěn)定性評價三级片在线无码。

Both require at least a 6 inches of reinforced with steel concrete for the base and concrete 9 inch hollow blocks for the walls that are backfilled with concrete during construction.

這都需要至少有一個6英寸的鋼筋與鋼筋混凝土為基礎日韩黄色视频品爱，并具體9英寸空心砌塊為墻壁是回填混凝土施工期間。

Backfilled structures reinforced with quasi-inextensible and flexible reinforcing strips or sheets.

類似不能伸展的和柔韌性增強的帶材和片材增強的覆土結構免费av色色播放。

Secondly, the structural performance of backfilled embankment slopes reinforced by geogrids are studied, namely, reinforcement coefficients such as the spacing, number of geogrid layers, tension ability of geogrid and slope factors such as slope angle, cohesion, angle of internal friction, unit weight and so on how to affect the stability of slopes.

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The gentle sweep of the dune bisects the frame and the energy of the plant is reinforced by its stalks thrusting skyward.

這柔和的沙丘平分圖像和能量的植物是加強由它的莖稈加強推向天空久久免费视频精神品。

The gentle sweep of the dune bisects the frame and the energy of the plant is reinforced by its stalks thrusting skyward.

溫和的橫掃沙丘平分畫面和植物的活力是其加強了它的莖干指向天空。