【文章內(nèi)容簡介】 根據(jù)工程地質(zhì)水文地質(zhì)資 料情況該樁基礎采用旋挖鉆機成孔的方法，鉆孔灌注樁是一種質(zhì)量要求高，施工工序多，須在短時間內(nèi)連續(xù)完成的一種地下隱蔽工程，所以嚴格控制工序施工質(zhì)量，保證樁質(zhì)量。 施工工序 ： （一）準備工作 準備場地，施工前應將場地平整好，以便安裝鉆架進行鉆孔。場地位于淺水時，宜采用筑島法。 埋置護筒，水中筑島，護筒宜埋入河床面以下 1m。在水中平臺上設置護筒，課根據(jù)施工最高水位，流速，沖刷及地質(zhì)條件等因素確定。必要時打入不透水層。 安裝鉆機，安裝時，底架應墊平，保持穩(wěn)定，不得產(chǎn)生位移沉陷。鉆頭好鉆桿中心與護筒頂面中心 的偏差不得大于 5cm。 制備泥漿 （二） 鉆孔 采用正循環(huán)進行旋轉(zhuǎn)鉆進成孔。在鉆孔過程中，始終保持鉆孔水位要高出筒外 1~的水位差和護壁泥漿的要求，鉆孔要一氣呵成。鉆孔過程中加強對樁位、成孔情況的 16 檢察工作。 （三）清孔及裝吊鋼筋骨架 （四）灌注水下混凝土 混凝土應拌合均勻，灌注時連續(xù)作業(yè)，隨時測量和記錄孔內(nèi)混凝土灌注標高和導管入孔長度。 （五） 成樁后拔出護筒 （六）回填空孔 17 請您刪除一下內(nèi)容， O(∩ _∩ )O 謝謝?。?！ Many people have the same mixed feelings when planning a trip during Golden Week. With heaps of time, the sevenday Chinese 請您刪除一下內(nèi)容， O(∩ _∩ )O 謝謝！??！ National Day holiday could be the best occasion to enjoy a destination. However, it can also be the easiest way to ruin how you feel about a place and you may bee more fatigued after the holiday, due to battling the large crowds. During peak season, a dream about a place can turn to nightmare without careful planning, especially if you travel with children and older people. As most Chinese people will take the holiday to visit domestic tourist destinations, crowds and busy traffic are inevitable at most places. Also to be expected are increasing transport and acmodation prices, with the possibility that there will be no rooms available. It is also mon that you39。 ll wait in the line for one hour to get a ticket, and another two hours at the site, to only see a tiny bit of the place due to the crowds. Last year, 428 million tourists traveled in China over the weeklong holiday in October. Traveling during this period is a matter that needs thorough preparation. If you are short on time to plan the uping Golden Week it may not be a bad idea to avoid some of the most crowded places for now. There is always a place so fascinating that everyone yearns for. Arxan is a place like this. The beauty of Arxan is everlasting regardless of the changing of four seasons. Bestowed by nature, its spectacular seasonal landscape and mountains are just beyond word. Arxan is a crucial destination for the remended travelling route, China Inner Mongolia Arxan — Hailar — Manzhouli. It is also the joint of the four prairies across the SinoMongolian border, where people gravitate towards the exotic atmosphere mixed with Chinese, Russian, and Mongolia elements. As a historic site for the Yitian Battle, Arxan still embodies the spirit of Genghis Khan. Walking into Arxan, you will be amazed by a kaleidoscope of geous colors all the year round the Spring azaleas blooming red in the snow, the Summer sea wavering blue in the breeze, the Autumn leaves painted in yellow covering volcanic traces, and the Winter woods shining white on the vast alpine snowscape. Hinggan League Arxan city is situated in the far eastern area of Inner Mongolia Autonomous Region. Its full name Haren Arxan means hot holy water in the Mongolian language. Arxan is a tourism city in the northern frontier with a blend of large forest, grand prairies, vast snowfield, heaven lake cluster, thermium, as well as volcanic cluster. It is a rare and unique ecotourism base filled with healthy sunshine, clean air and unspoiled green. Nestled close to the country39。s largest virgin forest, and known for its spring and ecological environment, Arxan is marveled at by many tourists as the purest land on earth. You cannot miss out the Autumn of Arxan. It is definitely the best with brightlycolored scenery full of emotions. Autumn in the northern part of the country es earlier than the South. A September rain followed by the footprints of Autumn brings more colors to the once emerald green mountain and blooming grassland. Shutterbugs flock to see for themselves the marvel of splendid colors around the mountains and waters, many of whom have travel a long distance and even camp here only to capture a moment of the nature wonder. The silver birch turns golden, while the larch is still proudly green. You will find yourself drowned in the intoxicating red of the wild fruits as well as the glamour of flowers in full blown. And your heart will be lingering on the woods as it39。s time for the wild fruits to ripe. The picturesque Arxan in Autumn is indeed a fairyland only exists in a dream that satisfies all your fantasies. If it rains heavily on Saturday night, some elderly Chinese will say it is because Zhinu, or the Weaving Maid, is cr