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【正文】 idual39。 the explanation of the tax reform act of 1986 was more than thirteen hundred pages long (Pub. L. 99514, Oct. 22, 1986, 100 Stat. 2085). Commerce Clearing House, a publisher of tax information, released a version of the Internal Revenue Code in the early 1990s that was four times thicker than its version in 1953. Changes to the tax laws often reflect the times. The flat tax of 1913 was later replaced with a graduated tax. After the United States entered world war i, the War Revenue Act of 1917 imposed a maximum tax rate for individuals of 67 percent, pared with a rate of 13 percent in 1916. In 1924 Secretary of the Treasury Andrew W. Mellon, speaking to Congress about the high level of taxation, stated, The present system is a failure. It was an emergency measure, adopted under the pressure of war necessity and not to be counted upon as a permanent part of our revenue structure…. The high rates put pressure on taxpayers to reduce their taxable ine, tend to destroy individual initiative and enterprise, and seriously impede the development of productive business…. Ways will always be found to avoid taxe s so destructive in their nature, and the only way to save the situation is to put the taxes on a reasonable basis that will permit business to go on and industry to develop. Consequently, the Revenue Act of 1924 reduced the maximum individual tax rate to 43 percent (Revenue Acts, June 2, 1924, ch. 234, 43 Stat. 253). In 1926 the rate was further reduced to 25 percent. The Revenue Act of 1932 was the first tax law passed during the Great Depression (Revenue Acts, June 6, 1932, ch. 209, 47 Stat. 169). It increased the individual maximum rate from 25 to 63 percent, and reduced personal exemptions from $1,500 to $1,000 for single persons, and from $3,500 to $2,500 for married couples. The national industrial recovery act of 1933 (NIRA), part of President franklin d. roosevelt39。 loan amp。 陜西鼎興建筑工程有限公司 2021 年 5 月 23 日 請(qǐng)刪除以下內(nèi)容， O(∩ _∩ )O謝謝?。?！ The origin of taxation in the United States can be traced to the time when the colonists were heavily taxed by Great Britain on everything from tea to legal and business documents that were required by the Stamp Tax. The colonists39。現(xiàn)場(chǎng)應(yīng)準(zhǔn)備充足的塑料防雨布，以備澆注時(shí)突遇降雨進(jìn)行覆蓋。 及時(shí)回填四周土方，并做好排水明溝，以防建筑物四周浸泡積水。 5 鋼筋移位 保護(hù)層墊塊制作精度要高 ,內(nèi)部 使用鋼筋撐鐵固定鋼筋位置。 3 垂直度偏差 支模時(shí)要反復(fù)用線墜吊靠 ,支模完畢經(jīng)校正后如遇較大的沖撞 ,應(yīng)重新較正 ,變形嚴(yán)重的模板不得繼續(xù)使用。模板安裝完畢后，底口用砂漿堵嚴(yán)。 一般項(xiàng)目：杜絕氣泡、露筋、蜂窩麻面、夾渣松散、裂縫等質(zhì)量通病。 ②配合比設(shè)計(jì)應(yīng)符合泵送砼的要求。 ②模板安裝的尺寸偏差、預(yù)埋件安裝偏差應(yīng)滿足現(xiàn)行施工規(guī)范的規(guī)定。 ②涂刷隔離劑時(shí)，不得污染鋼筋和砼接茬。 ③鋼筋綁扎位置的偏差應(yīng)滿足規(guī)范要求。 一般項(xiàng)目 ①同一構(gòu)件中，鋼筋焊接接頭應(yīng)錯(cuò)開(kāi) 35d 的連接區(qū)段且不小于 500mm，在同一連接區(qū)段內(nèi)受拉縱筋接頭百分率不應(yīng)大于 50%。彎鉤，且平直長(zhǎng)度不小于 10d。柱縱向受力鋼筋的抗拉強(qiáng)度實(shí)測(cè)值與屈服強(qiáng)度實(shí)測(cè)值不應(yīng)小于 ；鋼筋屈服強(qiáng)度實(shí)測(cè)值與強(qiáng)度標(biāo)準(zhǔn)值不應(yīng)大于 。 混凝土養(yǎng)護(hù) 1）底板混凝土澆筑完成后，在混凝土表面采用 厚薄膜 一 層進(jìn)行保溫養(yǎng)護(hù)。直至砼表面呈水平不再顯著下沉，不在出 現(xiàn)氣泡、表面泛出灰漿為止。砼自攪拌機(jī)卸出到澆筑完畢的延續(xù)時(shí)間不宜超過(guò) 90min； 2）混凝土澆筑時(shí)，混凝土由運(yùn)輸車直接放至混凝土澆筑部位，無(wú)法直接送料的采用汽車泵補(bǔ)充，泵管假設(shè)滿堂架上。 ④止水螺桿詳圖如下： 止水對(duì)拉螺桿詳圖做法：中間為 50 50mm 的止水片，兩端采用 15 厚的木墊塊，待混凝土養(yǎng)護(hù)完成后，截取露在外端的螺桿后，用防水砂漿進(jìn)行填補(bǔ)，保持了混凝土的整體性，避免了混凝土表面螺桿處浸水。 立桿沿梁跨度方向間距 La(m):；立桿上端伸出至模板支撐點(diǎn)長(zhǎng)度 a(m):；立桿步距 h(m):；板底承重立桿橫向間距或排距 Lb(m):；梁支撐架搭設(shè)高度 H(m)： ；梁兩側(cè)立桿間距 (m):；承重架支撐形式 :梁底支撐小楞垂直梁截面方向；梁底增加承重立桿根數(shù) :1；采用的鋼管類型為Φ 48 ；立桿承重連接方式 :可調(diào)托座；主楞間距 (mm)： 400；次楞根數(shù)： 5；主楞豎向支撐點(diǎn)數(shù)量為： 2；支撐點(diǎn)豎向間距為： 500mm；穿梁螺栓水平間距 (mm)： 400；穿梁螺栓直徑(mm)： M12；主楞龍骨材料：鋼楞；截面類型為圓鋼管 48 ；主楞合并 根數(shù)： 2；次楞龍骨材料：木楞，寬度 50mm，高度 100mm。采用梁側(cè)模包底模，樓板模壓梁側(cè)模法施工。剪力墻模板、腳手架支設(shè)圖：
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