玻纤土工格栅水下铺设工艺

更新时间：2020/4/21 15:43:49信息编号：2678485

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所在区域：: 泰安　肥城
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详细介绍

在修建防波堤、围堰、航道整治等工程中，经常会遇到软土地基带来的问题，软土地基若处理不当极易发生不均匀沉降及滑移等现象原文www.bdsh5.com。因此不同类型的玻纤土工格栅、玻纤土工格栅垫及土工布等材料被应用在软基处理中，铺设土工材料可以有效减少地基的不均匀沉降及滑移，还可以增加堤身或围堰的整体稳定性。

In the construction of breakwater, cofferdam, waterway regulation and other projects, there are often problems caused by soft soil foundation. If the soft soil foundation is not properly treated, it is easy to have uneven settlement and slip. Therefore, different types of glass fiber geogrid, glass fiber geogrid mat and geotextile are used in the soft foundation treatment. Laying the geogrid can effectively reduce the uneven settlement and sliding of the foundation, and also can increase the overall stability of the embankment or cofferdam.

传统的水下铺设工艺采用铺排船进行铺设，需要专门的铺排船，其属于特种船舶，大多数又属于内河、内湖船舶，不具备沿海地区施工的条件。少数具备条件的船舶又可能会由于船舶參数不合适或使用费用过高等原因制约工程的进展。

The traditional underwater laying technology uses the laying ship to lay, which needs a special laying ship. It belongs to a special ship, most of which belong to inland river and lake ships, and does not have the conditions for construction in coastal areas. A small number of qualified ships may restrict the progress of the project due to unsuitable ship parameters or high operating costs.

水下铺设玻纤土工格栅的新工艺，不依赖专用铺排船，只需要利用现有的普通驳船通过加装滚轴、支架、卷扬机等，就可以实现水下铺设玻纤土工格栅的功能Lrg。该工艺通过水下滚轴滚动实现水下铺设，有效减轻铺排施工对专用铺排船的依赖，可以大大降低船舶的使用成本，提高项目的经济效益。

The new technology of underwater laying glass fiber geogrid does not rely on the special laying ship, but only needs to use the existing ordinary barge to install rollers, supports, winches, etc. to realize the function of underwater laying glass fiber geogrid. This technology realizes underwater laying by rolling underwater rollers, effectively reduces the dependence of laying construction on special laying ships, greatly reduces the use cost of ships, and improves the economic benefits of the project.

首先将玻纤土工格栅垫卷于副滚简上，主滚简上每间隔2m左右用绳子进行绑扎，将玻纤土工格栅垫平铺于铺排船的甲板平台上，将玻纤土工格栅垫的端部用绳子与主滚简系好，每块玻纤土工格栅垫之间用尼龙绳绑扎好，土工格栅垫的端部对齐绑好，将玻纤土工格栅垫卷在主滚简上，卷至格栅垫未端后，用尼龙绳绑扎牢固，并停止卷简，重复卷简过程，直至所剩玻纤土工格栅垫铺满甲板。将玻纤土工格栅垫的排尾处以2m间距绑扎好碎石布袋。在绑扎与卷筒的同时，抛石船靠泊在铺排船一侧，控制好船距，以免压破玻纤土工格栅www.bdsh5.com本地生活网。.

First, roll the glass fiber geogrid pad on the auxiliary roll, bind the main roll with rope every 2m or so, lay the glass fiber geogrid pad on the deck platform of the ship, tie the end of the glass fiber geogrid pad with rope and the main roll, bind each glass fiber geogrid pad with nylon rope, align and bind the end of the geogrid pad, and bind the glass fiber geogrid Place the roll on the main roll, and after rolling to the end of the grid pad, bind it firmly with nylon rope, stop rolling, and repeat the rolling process until the remaining glass fiber geogrid pad is covered with armour plate. Bind the gravel bag at a distance of 2m between the end of the glass fiber geogrid pad. At the same time of binding and coiling, the riprap ship shall be berthed at the side of the laying ship, and the ship distance shall be well controlled to avoid crushing the fiberglass geogrid. .

铺设时放下船上的翻板并开始控制卷简转动，使排头缓缓下沉，下沉一定长度后，铺排船向前平移，进行铺设，平移过程中，靠泊在铺排船一侧的抛石船进行压载，避免玻纤土工格栅漂浮;待全部玻纤土工格栅入水后，将绳子解开，玻纤土工格栅.由于碎石布袋压载的作用，自沉入水，传统铺排船三维展示，

When laying, lay down the flap on the ship and start to control the roll rotation, so that the row head sinks slowly. After sinking for a certain length, the row boat will move forward to lay. In the process of translation, the riprap boat berthed on the side of the row boat will be ballasted to avoid the floating of the glass fiber geogrid; After all fiberglass geogrids are put into the water, untie the rope, fiberglass geogrid. Due to the ballast effect of crushed stone bags, it sinks into the water by itself, and the traditional paving ship displays in three dimensions,

深水玻纤土工格栅铺设与浅水区铺设有较大的区别，因此不能使用常规的铺排船及方式进行铺设，深水铺设玻纤土工格栅有以下难点:水流情况:浅水区，水流速度缓慢，铺设深度一般不超过10m，而深水区水流流速急，方向变换频繁，水深超过1Om，并且施工地点的自然条件比较恶劣。

There is a big difference between the laying of fiberglass geogrid in deep water and that in shallow water, so it can't be laid by conventional laying and arranging ships and methods. There are the following difficulties in the laying of fiberglass geogrid in deep water: water flow: in shallow water, the speed of water flow is slow, the laying depth is generally no more than 10 m, while in deep water, the flow velocity is rapid, the direction changes frequently, the water depth is more than 10 m, and the construction site is self-contained But the conditions are bad.

玻纤土工格栅垫铺设船采用2,600t甲板驳船改造而成铺设系统由船体、定位系统、玻纤土工格栅铺设滚轴、卷扬机、吊具等装置组成。采用2,600t甲板驳船,充分考虑到该船甲板的面积，压载碎石的装载量以及卷排垫时候的作业空间。实际操作中，可以考虑加大船舶选型，这样抗风浪、施工效率会有进一步提高本+地+生+活+网。

The laying system of fiberglass geogrid mat laying ship is formed by the transformation of 2600t deck barge, which is composed of hull, positioning system, fiberglass geogrid laying roller, winch, sling and other devices. The 2600t deck barge is adopted, fully considering the deck area of the ship, the loading capacity of ballast gravel and the working space when rolling, arranging and padding. In practical operation, it can be considered to increase the ship selection, so that the wind and wave resistance, construction efficiency will be further improved.

根据铺排船的GPS定位软件系统，施工前由测量人员将玻纤土工格栅铺设区域点的坐标输入GPS定位系统,并生成施工区域电子海图，由拖轮协助铺排船抛锚定位，然后调整锚缆，使铺排船准确就位。用预先设置在电脑中的电子海图，通过GPS接收器进行实际定位，使实际船位与设定船位重合。

According to the GPS positioning software system of the laying vessel, before the construction, the surveyors input the coordinates of the laying area points of the fiberglass geogrids into the GPS positioning system, and generate the electronic map of the construction area. The tugs assist the stacking ships to anchor and locate them, then adjust the anchor cables to make the placement ships accurately positioned. With the electronic chart preset in the computer, the actual positioning is carried out through the GPS receiver, so that the actual ship position coincides with the set ship position.

玻纤土工格栅垫铺排船抛锚定位，根据铺设长度抛射小锚。铺设船上提前装足袋装压载碎石包来源www.bdsh5.com。将已缝好的三向玻纤土工格栅垫运至铺布船上，并在起始边穿入钢管、上好抛锚用的固定吊环。把三向玻纤土工格栅垫卷在滚简上。在三向玻纤土工格栅垫铺排船.上松开三向玻纤土工格栅垫卷的起始边，在起始边的吊环上结好绳索，联结在船上准备好的小锚上。铺排船绞锚定位至抛放起始边的位置，定位后等待抛放时间www.bdsh5.com。

The glass fiber geogrid is used to lay the anchor of the ship, and the small anchor is cast according to the laying length. Sufficient bags of ballast gravel shall be packed on the ship in advance. Transport the sewn three-way fiberglass geogrid pad to the cloth laying ship, and thread the steel pipe into the starting edge, and attach the fixed lifting ring for anchoring. Roll the three-way fiberglass geogrid pad on the roll. Lay the three-way fiberglass Geogrid on the ship, loosen the starting edge of the three-way fiberglass geogrid, tie the rope on the lifting ring of the starting edge, and connect it to the small anchor prepared on the ship. Lay the ship's winch anchor to the position of the starting edge of the casting, and wait for the casting time after positioning.

相信大家看完以上内容以后，应该也对玻纤土工格栅水下铺设工艺有所了解了吧，希望会对大家有所帮助吧。

I believe that after reading the above content, you should also understand the underwater laying process of fiberglass geogrid. I hope it will help you.

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