TWI354050B - - Google Patents

Download PDF

Info

Publication number
TWI354050B
TWI354050B TW97142648A TW97142648A TWI354050B TW I354050 B TWI354050 B TW I354050B TW 97142648 A TW97142648 A TW 97142648A TW 97142648 A TW97142648 A TW 97142648A TW I354050 B TWI354050 B TW I354050B
Authority
TW
Taiwan
Prior art keywords
pipe
geotextile
upright
drainage
layer
Prior art date
Application number
TW97142648A
Other languages
Chinese (zh)
Other versions
TW201018766A (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to TW97142648A priority Critical patent/TW201018766A/en
Publication of TW201018766A publication Critical patent/TW201018766A/en
Application granted granted Critical
Publication of TWI354050B publication Critical patent/TWI354050B/zh

Links

Landscapes

  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Description

1354050 九、發明說明: 【發明所屬之技術領域】 本發明係涉及一種泥漿液脫水的手段,尤指一種可重 複使用地工布構造進行脫水作用的直立式地工布管脫水 法。 【先前技術】 地工布(Geotextile)係以人造化學纖維織成的布料, 廣泛用於土木、水利、環境工程中,作為過濾,分離層’ #加勁等功用,它是近數十年來進步神速的一項新工程材 料。地工布管是由數片地工布縫製一起,形成一可侷限受 壓之泥漿液體之容器。 前述地工布管主要有兩大類用法:一、水利海事工程 二、環境工程。此二者之灌注原理,技術與要求大同小異, 就是將縫製好的地工布管平鋪於地上或水底,然後將毁液 藉機械之力灌注進入管中,令布管逐漸漲大,最終達到所 預期之高度或壓力’成一地工布外包,骨材内藏之管狀結 •構體。水利海事工程之用法是在管體穩定後,取其結構體 做例如消坡堤、離岸堤、護岸、突堤、潛堤等各種運用。 環境工程之用法則是取其將泥漿液脫水之作用。 環境工程利用地工布管優越的水利性,將混有固液兩 相的泥漿液注入於地工布管中’令其中之液體因重力與管 内之壓力’經地工布之過濾作用而流離地工布管,使固體 部分留在管内,達到固體,液體分離之效果。前述用於環 境工程的地工布管脫水法(Geotextile Tube Dewatering IS) 4 丄354050 GTD) ’相較於傳統曝曬 、 噃鹿忒烘烤去、壓濾法、真空法、 電離法等脫水方法,出於古你士士 a _ , 由於有低成本、高過濾效果的優勢, 剛正受到環保界與工程界相當多的注目。 既有之地工布管脫水法因無須耗用大量之能源,相較 他的脫水方法,在經濟性上右 ^ 微f上有相當的優勢《但經發明 人觀察研究,仍有相當的改進空間,茲列之於下: • 1、使用耗時:地工布管内液體滲流出時間長,相較於 壓渡機之小產量、㈣、速度快的優點,傳統地卫布管雖 有著-次產能大的好處,但脫水速率還不能令人滿意。或 者可以提高地工布管内之壓力的方式增加過速度,但因地 工布管之體積大型化後’管壓稍一增加相對地工布之抗拉 強度必須提高甚多,成本與工程技術均有困難。 2、 佔地廣:地工布管使用時平置於地,因受布料強度 所限’高度頗受限制,一至兩米已是目前最高之紀錄,再 加上每一循環之長耗時,因此同一時段會有許多地工布管 在過據中,所需要之場地勢必相當寬廣才足以容納 3、 地工布管無法重複使用:地工布管材料成本在整個 實施過程中是最大的成本所在,為取出封閉於地工布管内 之脫水後的固體,勢必破壞管體。管體一經破壞後,企圖 將之修補再使用並不實際,假使地工布管若能重複利用, 將可大幅降低成本。 【發明内容】 針對既有地工布管脫水法需改進的耗時、佔地廣以及 地工布管無法重複使用等缺點’本發明的主要目的在於 1354050 藉由直立且可拆卸再組合重複使用的地工布管構造,大幅 改善上述缺點,並達到快速、不佔空間以及可重複利用地 工布管的功效。 為達到上述目的,本發明提出一種直立式地工布管脫 水法’該方法的步驟係包括: 設置設施:於地基設置一不透水基礎層,又於不透水 基礎層上設置一排水層,又於排水層的周圍以環繞的形態 定位設置一支架; 組合地工布管:於排水層上設置一略小於該排水層的 水平地工布’接著拉吊縫成管狀的直立地工布管上端,使 其由支架之間以自然垂下的方式降下,直立地工布管的底 编與水平地工布接觸並多出一段長度,利用機械夾具將直 立地工布管與水平地工布管接觸的環繞部分緊夾,藉此密 合成為桶狀的地工布管; 注入原料漿液:將待脫水之泥漿液由地工布管上方的 開口注入,讓液面直達到地工布管的頂部,隨著泥漿液的 液面逐漸上升使地工布管内部的壓力逐漸增加,令所含水 份經由水平地工布流入排水層内,過程中並以支架支撐地 工布管; 拆卸地工布管:當泥漿液的水分由地工布管脫水完成 後”為固體’此時鬆脫機械夾具,並利用機具將直:地 工布官上拉脫離已脫水的固體;以及 移除脫水固體:利用機具將脫水的固體由水平地工 上移除。 1354050 進一步,在所述設置設施的步驟中,係將排水層設置 成圓形,並且排水層係由透水性良好且堅實的級配顆粒物 構成,於排水層底部的周圍並設有向外通連的排水管道; 組合地工布管的步驟中,係將水平地工布裁成圓形再設置 於排水層上。 進一步’在所述組合地工布管的步驟中,當直立地工 布管與水平地工布管結合成為地工布管後,於地工布管内 設置一支以上的助排水管,各助排水管的底端穿過水平地 ® 工布達到所述排水層。 更進一步’於所述注入原料漿液的步驟與所述拆卸地 工布管的步驟之間進行再注入的步驟,再注入的步驟係當 泥漿液的水分由所述水平地工布流出後,液面會逐漸降低 並空出空間,此時朝所述地工布管内重複注入泥漿液。 較佳的’在所述設置設施的步驟中,不透水基礎層係 由混泥土構成,並且設置支架的方式係於所述排水層周圍 的不透水基礎層以環繞的方式固定複數支垂直設置的支持 ^柱’再於複數個支持柱之間結合複數個上下間隔的圈環。 較佳的’在所述組合地工布管的步驟中,機械夾具係 包括複數組上、下壓條,將各組上、下壓條疊合於直立地 工布管與水平地工布管接觸的部分的上、下面,再分別以 夾具夹緊上、下壓條,以環繞整圈的方式令直立地工布管 與水平地工布管暫時連結。 本發明的脫水法係藉由地工布管將泥漿液的水分脫 除’並且在移除固體後’可重複組合地工布管以下的各步 1354050 错’達到多次將泥漿液脫水並形成固體的作用。由於地工 布管係可拆卸的設計,因此在泥漿液脫水形成固體之後, 可拆卸鳥立地工布管並將其上拉脫離,使得每次的脫水過 程中皆可重複地使用地工布管,在使用上具有經濟優勢。 且由於本發明的地工布管係直立設置,因此使得地工 布管内的泥漿液所承受的壓力較大,加速地工布管内液體 渗流出的時間,此外,直立設置的地工布管,加上周圍有 支架的拘束,因此使得地工布管直立時亦能夠保持外形的 完整’不至於歪斜或傾倒,而可達到較高於平臥式地工布 管的高度’因此使得地工布管設置所需要的場地較小,能 夠節省空間。 【實施方式】 本發明係一種直立式地工布管脫水法,請參看第一圖 的流程圖以及第二至六圖的構造圖,該方法的步驟係包 括: A、設置設施:請參看第二至四圖,於地基(10)設有以 混泥土構成的不透水基礎層(11 ),於不透水基礎層(11)頂 面凹設形成凹部(111 ),又於不透水基礎層(11)的凹部(111) 中設置一排水層(12),排水層(12)係圓形,其係由透水性 良好且堅實的級配顆粒物所構成,厚度約為30至50 cm, 並且強度必須能撐住稍後灌注泥漿液的重量’避免脫水過 程中發生傾斜倒塌的情形,於排水層(12 )周圍的底部並設 有向外穿出不透水基礎層(11)的排水管道(丨3)’令排水層 (12 )收集的水分能夠快速向外流出; 8 1354050 環繞排水層(12)的周圍定位設置一支架(14),設置支 架(14)的方式係於不透水基礎層(11)以環繞的方式固定複 數支垂直設置的支持柱(141),再於複數個支持柱(141)之 間結合複數個上、下間隔的圈環(丨42 )。 B、 組合地工布管:於排水層(12)上設置一水平地工 布(151)’水平地工布(15ι)係裁成圓形,接著以機具拉吊 縫成管狀的直立地工布管(152)上端,使其由支架(14)的支 持柱(141)之間以自然垂下的方式降下,直立地工布管(152) 的底端與水平地工布(151)接觸平貼並翻出至2〇 cm的長 度’利用機械夾具(16)將直立地工布管(152)與水平地工布 (151) 接觸的環繞部分緊夾’藉此密合成為桶狀的地工布管 (15); 機械夾具(16)係包括複數組弧形的上、下壓條(161), 炎合操作時先將各組上、下壓條(161)疊合於直立地工布管 (152) 與水平地工布(151)接觸的部分的上 '下面,再分別 以夾具(16 2 )夾緊上、下壓條(161)之間,以環繞整圈的方 式令直立地工布管(152)與水平地工布(151)暫時連結; 當地工布管(15)設置完成後,於地工布管(15)内設置 一支或者複數支助排水管(17),各助排水管(17)的周圍具 有多數個可透水的微細孔洞(171),又於周圍以及頂端的表 面包裹一地工布外衣(172),各助排水管(17)係以底端係朝 下穿入所述排水層(12)。 C、 注入原料漿液:將待脫水之泥漿液(b )由地工布 官(15)上方的開口注入,讓液面直達到地工布管(I。)的頂 1354050 部,随著泥漿液(B)的液面逐漸上升,使地工布管(15)内 部的壓力逐漸增加,如第五圖所示,令水份經由直立地工 布管(152)的周圍以及水平地工布(151)脫水而滲出往下流 入排水層(12)内,再經由排水管道(13)朝外排出,同時泥 漿液(B )的水分亦會通過各助排水管(17)的地工布外衣 (172)’經由助排水管(17)各孔洞(171)朝下流入排水層 内,以縮短排水距離的手段加速脫水過程的進行,脫水過 程中係以支架(14)支撐地工布管(15),使地工布管(15)保 _持直立的狀態不至於傾倒。 D、 再注入:當泥漿液(B )的水分由地工布管(15 )流 出後,地工布管(15)内的液面會逐漸降低並空出空間,此 時或有必要,可再次朝地工布管(15)内再次引進泥漿液 (B ),以重複注入的方式保持地工布管(15)内充滿泥漿液 (B )的狀態。 E、 拆卸地工布管:當泥漿液(B )的水分由地工布管 (15)脫水完成後會成為固體(A),此時鬆脫機械夾具(16), 同時利用機具將直立地工布管(152)上拉,如第五圖所示, 令直立地工布管(152)脫離已脫水的固體(A)。 F、 移除脫水固體:利用機具將脫水的固體(A)由水平 地工布(151)上移除,當固體(A)移除後可再重複前述組合 地工布官以下的各步驟,以可再次利用直立地工布管(I”) 的方式反覆進行泥漿液(B )的脫水操作。 本發明藉由前述的步驟達到將泥漿液(B )脫水的效 果。由於地工布管(15)係以水平地工布(151)以及直立地工 “5405ο 布b (152)結合而成,因此在泥漿液(B)脫水形成固體(a) 之後’可拆卸直立地工布管(152)並將其上拉脫離,使得每 次的脫水過程中皆可重複地使用地工布管(15),具有地工 布管(15)能夠重複使用的經濟優勢。 且由於本發明的地工布管(15)係直立設置,因此使得 地工布管(15)内的泥漿液(B)所承受的壓力較大,配合助 排水管(17)的加速排水設計,令地工布管(15)内液體滲流 出的時間縮短,具有使用快速的效果。 同樣受益於直立設置的地工布管(15),配合地工布管 (15 )環繞支架(14)的吊掛與拘束,使得地工布管(15)即使 設置為較高的狀態,亦能夠保持地工布管(15)的直例外 形’因此本發明脫水實施所需要的場地較小,能夠節省空 間。 本發明的實施步驟,除了於不透水基礎層(11)形成凹 部(111)’以凹部(111)容設排水層(12)以外,請參看第七 圖所示,亦可將不透水基礎層(11)的頂面設為平面,並且 於不透水基礎層(11)的頂面向上設有排水層(12),當本發 明如此設置時,所述的支持柱(141)係環繞於排水層(12)的 周圍,並將所述排水管道(13A)設為環繞形態的溝槽,藉此 對應設於不透水基礎層(11)周圍的地基(1〇)表面。 所述的助排水管(17 )除了前述的直管形態以外,請參 看第八圖,亦可將助排水管(17A)設為具有一直板(171A)的 形態,直板(171A)係直向延伸的長板體,於直板(171A)前、 後面各以左、右的間隔形態凹設多數個直向延伸的溝槽 1354050 (172A),又於直板(171A)周圍包裹一布體(173A)。當前述 的助排水管(17)運用於本發明時,可令泥漿的水分通過布 體(173Α)之後,再經由各溝槽(172么)的導引,快速朝下流 出排放,達到加速排水的功效。以上所述係本發明脫水方 法的實施步驟’而本發明脫水法的構造則係包括: 一地基(10)。 一不透水基礎層(11) ’該不透水基礎層(丨丨)係設於地 基(10),並且係以混泥土構成,於不透水基礎層(11)的頂 面凹設形成一凹部(111)。 一排水層(12) ’該排水層(12)係設於不透水基礎層(丨i ) 的凹部(111)中’排水層(12)係由級配顆粒物所構成,厚度 約為3 0至5 0 cm,級配顆粒物係為由圓滑堅硬的礫石或玻 璃珠,由不透水基礎層(11)内的底部由大到小向上排放所 構成。 一排水管道(13),該排水管道(13)係設於該排水層(丨2) 的底部’排水管道(13)的一端向外穿出不透水基礎層 (11)。 一支架(14),支架(14)設有複數個垂直設置的支持柱 (141)’複數個支持柱(141)係環繞設於凹部(1 〇 1)的周圍, 並且各以底端結合固設於不透水基礎層(11),於複數個支 持柱(141)之間結合複數個圈環(丨42),複數個圈環(142)係 以上、下間隔的方式設置。 一地工布管(15),地工布管(15)設有一水平地工布 (151) ’水平地工布(151)係圓形,水平地工布(151)係設於 12 1354050 排水層(12)上,設有一直立地工布管(丨52 ),直立地工布管 (152)係垂直設置且具有上下開口的管體,其並設於支架 (14)的内侧’直立地工布管(152)的底端外翻1〇至2〇cn]的 長度並平貼於水平地工布(151)的外緣周圍; 設有一機械夾具(16),機械夾具(16)包括複數組弧形 的上、下壓條(161),複數組上、下壓條(161)係以環繞的 方式設置,並且分別疊合於直立地工布管(152)與水平地工 布(151)接觸部分的上、下面,對應各上、下壓條(161)設 有一夾具(162) ’以各夾具(1 62)緊夾固定各上、下壓條 (161)。 複數個助排水管(17),複數個助排水管(17)分別為垂 直6又置的直管體’並且設置於地工布管(15)内,複數個助 排水管(17)分別於周圍形成多數個孔洞(in),又於周圍以 及頂端的表面包裹一地工布外衣(172),複數個助排水管 (17)各以底端朝下穿過水平地工布(151),藉此穿入所述排 水層(12 )内。 本發明的構造除前述較佳實施例,係於地工布管(丨5) 内設有複數個助排水管(17)以外,亦可僅於地工布管(丨5) 内設有一助排水管(17)作為排水之用,或者可將前述助排 水管(1Ό更換為如第八圖所示的助排水管(丨7A)形態。此 外,所述機械失具(16)的複數組上、下壓條(161)亦可改為 整圈的上、下環片,藉此提供夾具(162)緊夾而結合水平地 工布(151)與直立地工布管(152)成為地工布管(15),以上 構造的數量或者形態的改變,本發明在此不加以限制。1354050 IX. Description of the Invention: [Technical Field] The present invention relates to a means for dewatering mud liquid, and more particularly to an upright geotextile pipe dewatering method which can be used for dewatering in a reusable construction. [Prior Art] Geotextile is a fabric woven from synthetic chemical fibers. It is widely used in civil engineering, water conservancy, and environmental engineering. As a filtration and separation layer, it is a function of progress. It has been improving in recent decades. A new engineering material. The geotextile pipe is sewn together by several pieces of geotextiles to form a container for confining the pressurized mud liquid. The above-mentioned geotextiles mainly have two major types of usage: 1. Water conservancy and marine engineering 2. Environmental engineering. The principle of perfusion of the two, the technology and requirements are similar, that is, the grounded fabric pipe is laid on the ground or the bottom of the water, and then the liquid is poured into the pipe by mechanical force, so that the pipe is gradually enlarged and finally reaches The expected height or pressure 'is outsourced into a piece of cloth, and the tubular structure and body contained in the aggregate. The use of water conservancy maritime engineering is to take the structure of the water body after the stability of the pipe body, such as sloping bank, offshore levee, revetment, jetty, and submerged levee. The use of environmental engineering is to take the role of dehydrating the mud. Environmental engineering utilizes the superior water conservancy of the geotextile, and injects the solid-liquid two-phase mud into the geotextile pipe, so that the liquid therein is displaced by the gravity and the pressure inside the pipe. The geotextile is laid so that the solid part remains in the tube to achieve the effect of solid and liquid separation. The aforementioned Geotextile Tube Dewatering IS 4 丄 354050 GTD) 'Compared to traditional exposure, elk roasting, pressure filtration, vacuum, ionization and other dehydration methods, Due to the advantages of low cost and high filtration effect, you are receiving a lot of attention from the environmental protection and engineering circles. The existing method of pipe dewatering does not need to consume a lot of energy. Compared with his dehydration method, it has considerable advantages in economical right. However, after the inventors observed and studied, there is still considerable improvement. Space, listed below: • 1, time-consuming use: the length of liquid seepage in the geotextile pipe is long, compared with the small output of the ferry machine, (four), the speed is fast, although the traditional Weiwei pipe has - The benefits of secondary capacity are large, but the rate of dehydration is not satisfactory. Or it can increase the pressure in the geotextile pipe to increase the overspeed. However, due to the large size of the geotextile pipe, the pipe pressure will increase slightly, and the tensile strength of the fabric must be increased. The cost and engineering technology are both increased. Difficulties. 2, a wide area: the geotextile pipe is placed flat on the ground, due to the strength of the fabric limit 'the height is limited, one to two meters is the highest record, plus the long time of each cycle, Therefore, there will be a lot of geotechnical management in the same period, and the required space will be quite wide enough to accommodate 3. The geotextile can not be reused: the cost of geotextile material is the biggest cost in the whole implementation process. Where, in order to take out the dehydrated solid enclosed in the geotextile tube, the tube body is bound to be destroyed. Once the pipe body is destroyed, it is not practical to attempt to repair it and reuse it. If the geotextile pipe can be reused, the cost will be greatly reduced. SUMMARY OF THE INVENTION The main purpose of the present invention is that the 1340050 is re-used by erect and detachable recombination, in view of the disadvantages of the time-consuming, wide-ranging, and unrepeatable use of the existing geotextile dewatering method. The geotextile pipe structure greatly improves the above shortcomings and achieves the effect of fast, non-occupying space and reusable pipe. In order to achieve the above object, the present invention provides an upright geotextile pipe dehydration method. The steps of the method include: setting a facility: providing an impervious base layer on the foundation and a drainage layer on the impervious base layer, Locating a bracket around the drainage layer in a surrounding shape; combining the fabric tube: providing a horizontal fabric slightly smaller than the drainage layer on the drainage layer, and then pulling the upper end of the upright geotextile tube , so that it is lowered from the brackets in a natural hanging manner, the bottom fabric of the upright construction pipe is in contact with the horizontal work cloth and has a length, and the upright ground fabric pipe is contacted with the horizontal work cloth pipe by the mechanical clamp. The surrounding part is tightly clamped, thereby being densely combined into a barrel-shaped geotextile pipe; injecting the raw material slurry: injecting the mud slurry to be dewatered from the opening above the geotextile pipe, so that the liquid surface reaches the top of the geotextile pipe As the liquid level of the mud liquid gradually rises, the pressure inside the geotextile pipe gradually increases, so that the water content flows into the drainage layer through the horizontal work cloth, and the pipe is supported by the support in the process; Dismantling the geotextile pipe: When the moisture of the mud slurry is dehydrated by the geotextile pipe, it is “solid”. At this time, the mechanical clamp is loosened, and the machine is used to straighten: the ground fabric is pulled up from the dehydrated solid; In addition to dewatering solids: the dewatered solids are removed horizontally by means of an implement. 1354050 Further, in the step of setting up the facility, the drainage layer is arranged in a circular shape, and the drainage layer is made of a good water permeability and a solid The grading particles are formed around the bottom of the drainage layer and provided with an outwardly connected drainage pipe; in the step of combining the ground distribution pipes, the horizontal work cloth is cut into a circular shape and then placed on the drainage layer. In the step of combining the fabric pipes, when the upright geotextile pipe and the horizontal geotextile pipe are combined into a geotextile pipe, more than one auxiliary drainage pipe is disposed in the geotextile pipe, and each auxiliary drainage pipe The bottom end passes through the horizontal floor® work cloth to reach the drainage layer. Further, the step of re-injecting between the step of injecting the raw material slurry and the step of disassembling the ground pipe, the step of re-injecting when After the moisture of the slurry flows out from the horizontal work cloth, the liquid surface gradually decreases and vacates the space, and at this time, the mud liquid is repeatedly injected into the geotextile pipe. Preferably, in the step of setting the facility, The impervious foundation layer is composed of concrete, and the bracket is arranged in such a manner that the impervious base layer around the drainage layer fixes a plurality of vertically supported support columns in a surrounding manner and then combines between the plurality of support columns. a plurality of upper and lower spaced loops. Preferably, in the step of combining the fabric tubes, the mechanical fixture comprises a plurality of upper and lower beadings, and the upper and lower beadings of each group are superposed on the upright geotextile The upper and lower parts of the portion in contact with the horizontally disposed fabric pipe are respectively clamped with the upper and lower beadings by the clamp, and the upright geotextile pipe and the horizontal geotextile pipe are temporarily connected in a manner of surrounding the full circle. The dehydration of the present invention. The system removes the moisture of the mud by means of a geotextile and removes the solids and then repeats the steps below the steps of 1354050, which can dehydrate the mud and form a solid. Due to the detachable design of the geotextile pipe system, after the mud fluid is dehydrated to form a solid, the bird site fabric pipe can be detached and pulled up, so that the geotextile pipe can be repeatedly used in each dehydration process. , has an economic advantage in use. Moreover, since the geotextile pipe of the present invention is erected, the pressure of the mud liquid in the geotextile pipe is relatively large, and the time for the liquid to permeate and flow out in the pipe is accelerated, and the geotextile pipe which is erected, In addition, there is a restraint around the bracket, so that the geotextile can maintain the integrity of the shape when it is upright, so that it will not be skewed or dumped, but can reach a height higher than that of the flat horizontal geotextile. The space required for tube setup is small and saves space. [Embodiment] The present invention relates to an upright geotextile pipe dehydration method. Please refer to the flow chart of the first figure and the configuration diagrams of the second to sixth figures. The steps of the method include: A. Setting facilities: Please refer to In the second to fourth figures, the foundation (10) is provided with an impervious base layer (11) made of concrete, and a recessed portion (111) is formed on the top surface of the impervious base layer (11), and the impervious base layer is formed ( A drainage layer (12) is provided in the recess (111) of the 11), and the drainage layer (12) is circular, which is composed of a well-permeable and solid gradation particle having a thickness of about 30 to 50 cm and strength. It must be able to support the weight of the later infusion mud to avoid the occurrence of sloping collapse during dewatering, at the bottom of the drainage layer (12) and with a drainage pipe that passes outwards through the impervious base layer (11). 3) 'The water collected by the drainage layer (12) can flow out quickly; 8 1354050 A bracket (14) is positioned around the drainage layer (12), and the bracket (14) is arranged in the impervious base layer ( 11) Fixing multiple vertical settings in a wraparound manner Inter-column holders (141), then at a plurality of support columns (141) of the plurality of binding, the spaced rings (Shu 42). B. Combine the ground distribution pipe: set a horizontal work cloth (151) on the drainage layer (12). The horizontal work cloth (15ι) is cut into a circular shape, and then the machine is pulled and sewed into a tubular upright work. The upper end of the pipe (152) is lowered by a natural hanging between the support columns (141) of the bracket (14), and the bottom end of the upright work pipe (152) is in flat contact with the horizontal work cloth (151). Attached and pulled out to a length of 2〇cm 'The surrounding part of the upright geotextile (152) and the horizontal work cloth (151) is clamped by a mechanical clamp (16), which is densely combined into a barrel-like ground. The mechanical pipe (15); the mechanical clamp (16) includes a complex array of curved upper and lower beadings (161), and the upper and lower beadings (161) are superimposed on the upright geotextile pipe in the flaming operation. (152) The upper part of the part in contact with the horizontal work cloth (151) is clamped between the upper and lower bead (161) by the clamp (16 2 ), respectively, and the vertical work cloth is wrapped around the full circle. The pipe (152) is temporarily connected with the horizontal work cloth (151); after the local work pipe (15) is set, one or more support rows are arranged in the ground work pipe (15). The water pipe (17), each of the water supply and drainage pipes (17) has a plurality of water-permeable micro-holes (171) around it, and a surrounding cloth outer cover (172) is wrapped around the top and the top surface, and each auxiliary drainage pipe (17) The drainage layer (12) is penetrated with the bottom end down. C. Injecting the raw material slurry: the mud slurry (b) to be dehydrated is injected from the opening above the geotextile (15), so that the liquid surface reaches the top 1354050 of the geotextile pipe (I.), along with the mud slurry. The liquid level of (B) gradually rises, so that the pressure inside the geotextile (15) gradually increases. As shown in the fifth figure, the water is passed around the upright geotextile (152) and horizontally ( 151) Dehydration and oozing out into the drainage layer (12), and then discharged outward through the drainage pipe (13), and the moisture of the mud (B) also passes through the geotextile outer jacket of each auxiliary drainage pipe (17) ( 172) 'The holes (171) of the water supply and drainage pipe (17) flow downward into the drainage layer, and the dewatering process is accelerated by means of shortening the drainage distance. The pipe is supported by the bracket (14) during the dehydration process (15) ), so that the geotextile (15) is kept in an upright state and is not dumped. D. Re-injection: When the moisture of the mud slurry (B) flows out of the geotextile pipe (15), the liquid level in the geotextile pipe (15) will gradually decrease and vacate the space. At this time, it may be necessary. The mud liquid (B) is again introduced into the ground pipe (15), and the state in which the mud (B) is filled in the ground pipe (15) is repeated by repeated injection. E. Dismantling the geotextile pipe: When the moisture of the mud slurry (B) is dehydrated by the geotextile pipe (15), it will become solid (A), at this time loose the mechanical clamp (16), and the machine will be upright The fabric pipe (152) is pulled up, as shown in the fifth figure, to cause the upright geotextile pipe (152) to be detached from the dehydrated solid (A). F. Removing the dehydrated solid: the dehydrated solid (A) is removed from the horizontal work cloth (151) by using an implement, and the steps of the combination of the above-mentioned combined work can be repeated after the solid (A) is removed. The dewatering operation of the mud liquid (B) is repeated in a manner that can be reused by the upright geotextile pipe (I". The present invention achieves the effect of dewatering the mud liquid (B) by the aforementioned steps. 15) is a combination of a horizontal work cloth (151) and an upright work "5405ο cloth b (152), so after the mud liquid (B) is dehydrated to form a solid (a) 'removable upright geotextile pipe (152 And pull it up, so that the geotextile tube (15) can be used repeatedly in each dehydration process, which has the economic advantage that the geotextile tube (15) can be reused. Moreover, since the geotextile pipe (15) of the present invention is erected, the mud (B) in the geotextile pipe (15) is subjected to a large pressure, and the accelerated drainage design of the auxiliary drainage pipe (17) is adopted. The time for the liquid to seep out in the geotextile (15) is shortened, and the use effect is fast. Also benefiting from the upright installation of the geotextile pipe (15), with the grounding pipe (15) surrounding the bracket (14) hanging and restraining, so that the geotextile pipe (15) even if set to a higher state, It is possible to maintain the straight shape of the geotextile (15). Therefore, the space required for the dewatering implementation of the present invention is small, and space can be saved. In the implementation step of the present invention, in addition to forming the concave portion (111) in the water-impermeable base layer (11) to accommodate the drainage layer (12) in the concave portion (111), please refer to the seventh figure, or the impervious base layer. The top surface of (11) is set to be flat, and a drainage layer (12) is provided on the top surface of the water-impermeable base layer (11). When the present invention is so arranged, the support column (141) is surrounded by the drainage. Around the layer (12), the drainage duct (13A) is provided as a groove of a surrounding shape, thereby corresponding to the surface of the foundation (1 〇) provided around the water-impermeable base layer (11). The water drainage pipe (17) may be in the form of a straight plate (171A) in addition to the straight pipe form described above, and the straight plate (171A) may be straight. The extended long plate body is provided with a plurality of straight extending grooves 1354050 (172A) in front of and behind the straight plate (171A) at left and right intervals, and a cloth body (173A) is wrapped around the straight plate (171A). ). When the aforementioned water supply and drainage pipe (17) is used in the present invention, the moisture of the mud can be passed through the cloth body (173Α), and then guided through the grooves (172), and the discharge is quickly discharged downward to accelerate the drainage. The effect. The above is the implementation step of the dehydration method of the present invention' and the structure of the dehydration method of the present invention comprises: a foundation (10). An impervious base layer (11) 'the impervious base layer (丨丨) is provided on the foundation (10) and is composed of concrete, and a recess is formed on the top surface of the impervious base layer (11). 111). a drainage layer (12) 'the drainage layer (12) is disposed in the recess (111) of the impervious base layer (丨i). The drainage layer (12) is composed of grading particles and has a thickness of about 30 to At 50 cm, the grading particles are composed of smooth and hard gravel or glass beads, which are discharged from the bottom in the impervious base layer (11) from large to small. A drain pipe (13) is provided at the bottom of the drain layer (丨2). At one end of the drain pipe (13), an impervious base layer (11) is pierced outward. a bracket (14) having a plurality of vertically disposed support columns (141)' It is disposed on the impervious base layer (11), and a plurality of loops (丨42) are combined between the plurality of support columns (141), and a plurality of loops (142) are arranged above and below. A fabric pipe (15), a geotextile pipe (15) is provided with a horizontal work cloth (151) 'horizontal work cloth (151) is round, horizontal work cloth (151) is set at 12 1354050 drainage The layer (12) is provided with an upright work cloth pipe (丨52), and the upright ground work cloth pipe (152) is vertically disposed and has an upper and lower opening pipe body, which is disposed on the inner side of the bracket (14) 'uprightly The bottom end of the work cloth tube (152) is turned over 1长度 to 2〇cn] and is flatly attached around the outer edge of the horizontal work cloth (151); a mechanical clamp (16) is provided, and the mechanical clamp (16) includes The upper and lower beadings (161) of the complex array of arcs, the upper and lower beadings (161) of the complex array are arranged in a surrounding manner, and are superposed on the upright geotextile tube (152) and the horizontal geotextile (151), respectively. On the upper and lower sides of the contact portion, a corresponding jig (162) is provided corresponding to each of the upper and lower beadings (161). Each of the upper and lower beadings (161) is clamped and fixed by each jig (1 62). a plurality of water supply and drainage pipes (17), and a plurality of water supply and drainage pipes (17) are vertical pipe bodies 6 which are vertically disposed and disposed in the ground pipe (15), and a plurality of water supply and drainage pipes (17) respectively A plurality of holes (in) are formed around the periphery, and a tarpaulin (172) is wrapped around the surface of the top and the top, and a plurality of drainage pipes (17) are respectively passed through the horizontal work cloth (151) with the bottom end facing down. Thereby, it penetrates into the drainage layer (12). The structure of the present invention is not limited to the foregoing preferred embodiment, and is provided with a plurality of auxiliary drainage pipes (17) in the geotextile pipe (丨5), or may be provided only in the geotextile pipe (丨5). The drain pipe (17) is used for drainage, or the water supply pipe (1Ό) may be replaced with a water supply pipe (丨7A) as shown in Fig. 8. In addition, the complex array of the mechanical gear (16) The upper and lower beadings (161) can also be changed to the upper and lower ring segments of the full circle, thereby providing the clamp (162) to be clamped and combined with the horizontal work cloth (151) and the upright work cloth tube (152) to become a workman. The tube (15), the number or the change of the above configuration, is not limited herein.

13 1354050 【圖式簡單說明】 第一圖係本發明較佳實施例之流程圖。 第二圖係本發明較佳實施例構造之立體圖。 第三圖係本發明較佳實施例構造之剖面圖。 第四圖係本發明較佳實施例構造之俯視圖。 第五圖係本發明較佳實施例脫水之實施示意圖。 第六圖係本發明較佳實施例拆卸地工布管之實施示意 圖。 第七圖係本發明較佳實施例構造未形成凹部態樣之剖 面圖。 第八圖係本發明較佳實施助排水管另一實施態樣的立 體圖。 (B )泥漿液 (111)凹部 (12)排水層 (13A)排水管道 (141)支持柱 (1 5)地工布管 (152)直立地工布管 (161)上、下壓條 (17)助排水管 (172)地工布外衣 (171A)直板 【主要元件符號說明 (A)固體 (10) 地基 (11) 不透水基礎層 (13) 排水管道 (14) 支架 (142)圈環 (151)水平地工布 (16)機械爽具 (162)夾具 (171)孔洞 (17A)助排水管 1354050 (172A)溝槽 (173A)布體13 1354050 BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is a flow chart of a preferred embodiment of the present invention. The second drawing is a perspective view of a preferred embodiment of the invention. The third drawing is a cross-sectional view showing the construction of a preferred embodiment of the present invention. The fourth drawing is a plan view of the construction of a preferred embodiment of the invention. Figure 5 is a schematic view showing the implementation of dehydration in accordance with a preferred embodiment of the present invention. Figure 6 is a schematic view showing the construction of a detachable fabric pipe in accordance with a preferred embodiment of the present invention. Figure 7 is a cross-sectional view showing the construction of a preferred embodiment of the present invention without forming a concave portion. Figure 8 is a perspective view of another embodiment of the preferred embodiment of the present invention. (B) Mud (111) recess (12) Drainage layer (13A) Drainage pipe (141) Support column (15) Geotextile pipe (152) Upright geotextile pipe (161) Upper and lower beading (17) Drainage pipe (172) tarpaulin (171A) straight plate [main component symbol description (A) solid (10) foundation (11) impervious foundation layer (13) drainage pipe (14) bracket (142) ring (151 Horizontal horizontal work cloth (16) mechanical cool (162) clamp (171) hole (17A) drainage pipe 1354050 (172A) groove (173A) cloth body

L £3 15L £3 15

Claims (1)

1354050 十'申請專利範圍: 該方法的步雜係包 1 . 一種直立式地工布管脫水法 括: ' 言史置設施:於地基設置-不透水基礎層,又於不透水 •基礎層上設置一排水層,又於排水層的周圍定位設置一支 架; 組合地工布管:於排水層上設置—水平地工布,接著 拉吊縫成管狀的直立地工布管上端,使其由支架之間以自 然垂下的方式降下,直立地工布管的底端與水平地工布接 觸並多出一段長度,利用機械夾具將直立地工布管與水平 地工布管接觸的環繞部分緊夾,藉此密合成為桶狀的地工 布管; 注入原料漿液:將待脫水之泥漿液由地工布管上方的 開口注入’讓液面直達到地工布管的頂部,隨著泥漿液的 液面逐漸上升使地工布管内部的壓力逐漸增加,令水份經 由水平地工布流入排水層内,過程中並以支架支撐地工布 •管; 拆卸地工布管:當泥漿液的水分由地工布管脫水完成 後會成為固體’此時鬆脫機械爽具,並利用機具將直立地 工布管上拉脫離已脫水的固體;以及 移除脫水固體:利用機具將脫水的固體由水平地工布 上移除。 2 *如申請專利範圍第1項所述之直立式地工布管脫水 法’其中,所述設置設施的步驟中,係將排水層設置成圓 16 1354050 形’並且排水層係由級配顆粒物構成,於排水層底部的周 圍設有排水管道;組合地工布管的步驟中,係將水平地工 布裁成圓形再設置於排水層上。 3·如申請專利㈣第!或2項所述之直立式地工布管 脫水法,其中,所述組合地工布管的步驟中,當直立地工 布管與水平地工布管結合成為地工布管冑,於地工布管内 設置一支以上的助排水管,各助排水管的底端係朝下穿入 所述排水層。 4·如申請專利範圍第3項所述之直立式地工布管脫水 法,其中,於所述注入原料漿液的步驟與所述拆卸地工布 管的步驟之間進行再注入的步驟,再注入的步驟係當泥漿 液的水分由所述水平地工布流出後,液面會逐漸降低並空 出空間,此時朝所述地工布管内重複注入泥漿液。 5.如申請專利範圍第4項所述之直立式地工布管脫水 法,其中,在所述設置設施的步驟中,不透水基礎層係由 混/尼土構成,並且設置支架的方式係於所述排水層周圍的 不透水基礎層以環繞的方式固定複數支垂直設置的支持 柱’再於複數個支持柱之間結合複數個上下間隔的圈環。 如申請專利範圍第5項所述之直立式地工布管脫水 法,其中,所述組合地工布管的步驟中,機械夾具係包括 複數組上、下壓條,將各組上、下壓條疊合於直立地工布 管與水平地工布管接觸的部分的上、下面,再分別以夹具 夾緊上下壓條,以環繞整圈的方式令直立地工布管與水 平地工布管暫時連結。 [£] 17 1354050 7· —種直立式地工布管脫水構造,係包括: 一地基; 一不透水基礎層,該不透水基礎層係設於該地基; 一排水層,該排水層係設於該不透水基礎層上,排水 層係由級配顆粒物所構成; 一支架,該支架係環繞定位於該排水層的周圍;以及 一地工布管’該地工布管設有一水平地工布,該水平 地工布係設於該排水層上,該水平地工布係圓形,設有一 鲁 直立地工布管’直立地工布管係垂直設置的管體並設於該 支架的内側,該直立地工布管的底端外翻並平貼於該水平 地工布的周圍,設有一機械夾具,以該機械夾具以環繞的 方式緊夾該直立地工布管與該水平地工布接觸的部分。 8·如申請專利範圍第7項所述之直立式地工布管脫水 構造,其中,於所述地工布管内設有複數個助排水管,複 數個助排水管各以底端朝下穿過所述水平地工布,藉此穿 入所述排水層内;設有一排水管道,該排水管道係設於該 •排水層底部的周圍。 9·如申請專利範圍第7項所述之直立式地工布管脫水 構造,其中,於所述地工布管内設有複數個助排水管,複 數個助排水管各設有一直板’各直板係直向延伸的長板 體,於各直板的前、後面各以左、右間隔的形態凹設多數 個直向延钟的溝槽,又於各直板的周圍包裹一布體,複數 個助排水管各以底端朝下穿過所述水平地工布,藉此穿入 所述排水層内;設有一排水管道’該排水管道係設於該排 1354050 水層底部的周園。 10.如申請專利範圍第7或8或9項所述之直立式地 工布管脫水構造’其中,所述機械夾具包括複數組弧形的 上、下壓條,複數組上、下壓條係以環繞的方式設置,並 且分別疊合於所述直立地工布管與所述水平地工布接觸部 分的上、下面,對應各上、下壓條設有一夾具,以各夾具 緊夾固定各上、下壓條。 11·如申請專利範圍第10項所述之直立式地工布管脫 水構造,其中,所述不透水基礎層係以混泥土構成所述 支架設有複數個垂直設置的支持柱,複數個支持柱係環繞 設於所述所述排水層的周圍,並且各以底端結合於該不透 水基礎層,於複數個支持柱之間結合複數個圈環,複數個 圈環係以上、下間隔的方式設置。 _十一、圖式: 如次頁1354050 Ten's patent application scope: The method of the method is 1. The upright geotextile dewatering method includes: 'The history of the facility: on the foundation setting - impervious foundation layer, and on the impervious base layer A drainage layer is arranged, and a bracket is disposed around the drainage layer; a combination of the distribution pipe: a horizontally laid cloth is arranged on the drainage layer, and then the upper end of the tubular upright construction pipe is pulled and sewed to make it The brackets are lowered in a natural hanging manner, and the bottom end of the upright construction duct is in contact with the horizontal work cloth and has a length, and the surrounding portion of the upright work cloth tube and the horizontal work cloth tube are tightly closed by mechanical clamps. The clamp is densely combined into a barrel-like geotextile; the raw material slurry is injected: the mud slurry to be dehydrated is injected from the opening above the geotextile pipe to allow the liquid surface to reach the top of the geotextile pipe, along with the mud The liquid level of the liquid gradually rises, so that the pressure inside the geotextile tube gradually increases, so that the water flows into the drainage layer through the horizontal work cloth, and the work cloth and the tube are supported by the support during the process; The moisture of the slurry will become solid after the dewatering of the geotextile tube is completed. At this time, the mechanical comfort is released, and the upright geotextile pipe is pulled up from the dehydrated solid by the machine; and the dehydrated solid is removed: the dewatering is performed by using the implement. The solids are removed from the horizontal work cloth. 2 * The vertical geotextile pipe dewatering method according to claim 1, wherein in the step of setting the facility, the drainage layer is set to a circle 16 1354050 shape and the drainage layer is composed of grading particles The drainage pipe is arranged around the bottom of the drainage layer; in the step of combining the ground distribution pipe, the horizontal work cloth is cut into a circle and then placed on the drainage layer. 3. If you apply for a patent (4)! Or the upright geotextile pipe dehydration method according to the item 2, wherein, in the step of combining the geotextile pipe, when the upright geotextile pipe and the horizontal geotextile pipe are combined into a geotextile pipe, the ground is More than one auxiliary drainage pipe is disposed in the work pipe, and the bottom end of each auxiliary drainage pipe penetrates into the drainage layer downward. 4. The upright geotextile pipe dewatering method according to claim 3, wherein the step of reinjecting between the step of injecting the raw material slurry and the step of disassembling the ground pipe is performed. The step of injecting is that when the moisture of the mud liquid flows out from the horizontal work cloth, the liquid surface gradually decreases and vacates the space, and at this time, the mud liquid is repeatedly injected into the ground fabric pipe. 5. The vertical geotextile pipe dewatering method according to claim 4, wherein in the step of installing the facility, the impervious foundation layer is composed of mixed/nano soil, and the manner of setting the bracket is The impervious base layer around the drainage layer fixes a plurality of vertically disposed support columns in a circumferential manner and then combines a plurality of upper and lower spaced rings between the plurality of support columns. The upright geotextile pipe dewatering method according to claim 5, wherein in the step of combining the geotextiles, the mechanical jig comprises a plurality of upper and lower beading bars, and each group of upper and lower beading bars Superimposed on the upper and lower parts of the part where the upright geotextile pipe is in contact with the horizontal geotextile pipe, and then the upper and lower bead are clamped by the clamp respectively, so that the upright geotextile pipe and the horizontal geotextile pipe are temporarily surrounded by the full circle link. [£] 17 1354050 7·—An upright geotextile pipe dewatering structure, comprising: a foundation; an impervious foundation layer, the impervious foundation layer is provided on the foundation; a drainage layer, the drainage layer is provided On the impervious base layer, the drainage layer is composed of grading particles; a bracket is disposed around the drainage layer; and a geotextile tube is provided with a horizontal workmanship Cloth, the horizontal work cloth is attached to the drainage layer, the horizontal work cloth is circular, and is provided with a straight upright work pipe. The vertical vertical work pipe is vertically disposed and disposed on the inner side of the support. The bottom end of the upright geotextile tube is everted and flattened around the horizontal work cloth, and is provided with a mechanical clamp for clamping the upright geotextile tube and the horizontal workmanship in a surrounding manner The part of the cloth contact. 8. The upright geotextile pipe dewatering structure according to claim 7, wherein a plurality of water supply and drainage pipes are provided in the geotextile pipe, and the plurality of water supply and drainage pipes are respectively worn with the bottom end facing downward. Passing through the horizontal work cloth, thereby penetrating into the drainage layer; and providing a drainage pipe, which is disposed around the bottom of the drainage layer. 9. The upright geotextile pipe dewatering structure according to claim 7, wherein a plurality of water supply and drainage pipes are arranged in the geotextile pipe, and a plurality of water supply and drainage pipes are respectively provided with a straight plate The long plate body extending straight is a recessed groove extending in the left and right sides of each straight plate in the form of left and right intervals, and a cloth body is wrapped around each straight plate, and multiple aids are provided. The drain pipes each pass through the horizontal work cloth with the bottom end facing downward, thereby penetrating into the drainage layer; and a drain pipe is provided. The drain pipe is disposed in the peripheral garden at the bottom of the water layer of the 1354050. 10. The upright geotextile dewatering structure according to claim 7 or 8 or 9, wherein the mechanical jig comprises a complex array of curved upper and lower beadings, and the complex array of upper and lower beadings is Arranging in a circumferential manner, and respectively superimposed on the upper and lower surfaces of the contact portion of the upright geotextile tube and the horizontal work cloth, and correspondingly, each of the upper and lower beading strips is provided with a clamp, and each clamp is clamped and fixed. Lower beading. The upright geotextile pipe dewatering structure according to claim 10, wherein the impervious base layer is made of concrete, the bracket is provided with a plurality of vertically arranged support columns, and a plurality of supports are supported. The column system is disposed around the drainage layer, and each of the bottom ends is coupled to the water-impermeable base layer, and a plurality of rings are combined between the plurality of support columns, and the plurality of rings are above and below Mode setting. _11, schema: as the next page
TW97142648A 2008-11-05 2008-11-05 Upright geotextile tube dewatering method and its structure TW201018766A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW97142648A TW201018766A (en) 2008-11-05 2008-11-05 Upright geotextile tube dewatering method and its structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW97142648A TW201018766A (en) 2008-11-05 2008-11-05 Upright geotextile tube dewatering method and its structure

Publications (2)

Publication Number Publication Date
TW201018766A TW201018766A (en) 2010-05-16
TWI354050B true TWI354050B (en) 2011-12-11

Family

ID=44831391

Family Applications (1)

Application Number Title Priority Date Filing Date
TW97142648A TW201018766A (en) 2008-11-05 2008-11-05 Upright geotextile tube dewatering method and its structure

Country Status (1)

Country Link
TW (1) TW201018766A (en)

Also Published As

Publication number Publication date
TW201018766A (en) 2010-05-16

Similar Documents

Publication Publication Date Title
CN110939137A (en) Vibration drainage anchor rod supporting structure for sand soil layer and construction method thereof
CN108914944B (en) Sandbar high water level pipeline foundation pit excavation supporting dewatering system and construction method
CN108951649B (en) Foundation pit supporting structure
CN212363841U (en) Test device for reinforcing cylindrical sample through microbial grouting
CN202787227U (en) Three-dimensional composite plastic water discharging body
CN209779548U (en) gravity type flood control wall capable of being quickly installed and detached
CN105696611A (en) Foundation pit dewatering device for sand layer with high water permeability
CN214497556U (en) Deep foundation pit drainage facility
TWI354050B (en)
CN213508424U (en) Water-rich stratum gravel filtering pile tip drilling cast-in-place pile
CN110670609B (en) Anti-seepage combined water-resisting device
CN205242391U (en) Back slip casting precast pile that permeates water
CN101993184B (en) Vertical type soil engineering pipe pocket dewatering method and structure thereof
CN207775907U (en) A kind of high intensity ecological revetment
CN110924251A (en) Road structure with pipe gallery arranged at bottom
CN110939121A (en) Drainage consolidation construction method combining hot water pipe and plastic drainage plate
CN212104106U (en) A vibration drainage stock supporting construction for sand type soil layer
CN216075201U (en) Pressure relief dewatering well
CN210421066U (en) Water collecting well for drainage consolidation
CN109024649A (en) Bottom plate multilayer Large-size rebar installs system and construction method
CN213867747U (en) A auxiliary device for soft soil foundation handles
CN211395716U (en) Device for filling coarse gravel core wall in reaming space
CN211472544U (en) Dewatering well structure
CN207419502U (en) Precast dewatering pile pile in a kind of building foundation pit
CN108178316B (en) Geomembrane impermeable layer protection structure of constructed wetland

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees