问题 单项选择题

如图所示五桩正方形承台,承台容重为20kN/m3,作用于桩基承台顶面的竖向力设计值为8000kN,平行于x轴及y轴的力矩分别为600kN·m和100kN·m,承台埋深为2.5m,据《建筑桩基技术规范》(JGJ94—94),桩顶竖向力的最大值为()。

 

A.1710kN

B.1810kN

C.1910kN

D.2010kN

答案

参考答案:C

解析:

根据《建筑桩基技术规范》(JGJ 94—94)第5.1.1条计算

G=γLBdγG=1.2×4×4×2.5×20=960kN

单项选择题
填空题

Bill Gates receives honorary knighthood


Britain’s Queen Elizabeth stands with Microsoft chairman and philanthropist Bill Gates after presenting him with an honorary knighthood at Buckingham Palace, London, March 2, 2005.
Sir Bill Not quite. Proclaiming himself "humbled and delighted," Microsoft founder Bill Gates received an honorary knighthood Wednesday from Queen Elizabeth Ⅱ—an accolade that allows the recipient to use "KBE" after his (1) , but not to put "Sir" in front of it.
One of the world’s richest men, Gates, 49, was (2) honored for his charitable activities around the world and his contribution (3) enterprises in Britain.
Past recipients of the honorary knighthood (4) from Irish singer Bob Geldof to former U.S. President Ronald Reagan.
"This (5) is particularly poignant given the deep connections Microsoft enjoys (6) the United Kingdom," said Gates, whose company employs about 2000 people in (7) .
Gates’ royal honor—bestowed by the queen on the advice of the (8) —was announced in January 2004, but a "mutually convenient" date to (9) it had not been available until now.
British recipients of knighthoods are entitled to be (10) with a "Sir" before their names. The honor was long the (11) of senior soldiers, judges and other servants of the state, but recent years have seen the creation of Sir Paul McCartney, (12) Mick Jagger and Sir Elton John.
As an American, Gates is not entitled to use (13) before his name, but he can put the initials KBE—Knight Commander of the (14) Empire—after his name.
Gates joins a roster of American (15) that includes former presidents Reagan and George H.W. Bush, comedian (16) Hope, retired U.S. Army Gen. Tommy Franks and former Secretary of (17) Colin Powell.
Gates said he was proud of what he called (18) "special relationship" with Britain.
"The U.K. was the first country in (19) Microsoft set up a subsidiary outside the U.S., and our experience in the (20) has been significant in shaping our international growth," he said.
Microsoft’s British facilities include Research Cambridge, a laboratory established in 1997 in the university town that employs 80 scientists. In 2000, the Bill & Melinda Gates Foundation announced a donation of $210 million to Cambridge University to create a scholarship program for graduate students from outside Britain.