{"id":4265,"date":"2023-05-10T01:18:24","date_gmt":"2023-05-10T00:18:24","guid":{"rendered":"https:\/\/www.qingdaoyongtai.com\/?p=4265"},"modified":"2023-05-10T01:18:26","modified_gmt":"2023-05-10T00:18:26","slug":"heavy-lifting-and-transfer-airbagsballoons","status":"publish","type":"post","link":"https:\/\/en.qingdaoyongtai.com\/?p=4265","title":{"rendered":"Heavy lifting and transfer airbags&#038;balloons"},"content":{"rendered":"<p>Evergreen Maritime heavy lifting\u00a0 and transfer airbag&#8217; solutions are cost effective and flexible. This technique needs only compacted ground and minimum facilities that is specially suitable for temporary heavy lift and transfer projects.<\/p>\n<p>Evergreen Maritime heavy lifting bags are the most strong airbags in the world, one piece bag can lift 300-500 tons weight to 50 cm height. Another peerless character of our lifting bags is they can roll steadily with the load. So Evergreen Maritime heavy lifting bags are especially suitable for huge structure lifting and relocation.<\/p>\n<p>The common\u00a0mega structures had been successfully lifted and moved by airbags include concrete caissons,\u00a0 pumphouses ,steel cofferdams, bridge blocks and tanks. All of them have\u00a0high structure strength and\u00a0wide bottom. Also there are some special objects had been relocated by airbags such as water diversion pipes and statues.<\/p>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/ce6c22bace8ccaae233bc6a93ea3a5e2.jpeg\" alt=\"Pump house lifted and moved by air abgs\" width=\"335\" height=\"200\" title=\"\"><figcaption class=\"wp-caption-text\">Pump house launched with airbags\u00a0<\/figcaption><\/figure>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/7892115d7d121654997c09932cc95420.jpeg\" alt=\"Mega statue relocated by air bags\" width=\"335\" height=\"200\" title=\"\"><figcaption class=\"wp-caption-text\">Huge statue relocated by Evergreen Maritime<span style=\"color: #222222; font-size: 15px;\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/span><span style=\"color: #222222; font-size: 15px;\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/span><\/figcaption><\/figure>\n<p>In China Evergreen Maritime company has moved 200 pieces caissons whose maximum weight reaches 5,000 tonnes one piece. Regarding cofferdams, Evergreen Maritime has successfully launched 2,700 tonnes box type and 2,200 tonnes double-wall round one.<\/p>\n<p><strong>Solution Advantages<\/strong><\/p>\n<p><strong>Saving\u00a0:<\/strong>\u00a0Moving caisson with airbags can cut off 70% budget comparing with trolley method.<\/p>\n<p><strong>Safe:<\/strong>\u00a0\u00a0Airbags have\u00a0big contact area with transported object, the low reaction force is\u00a0good for structure safety.<\/p>\n<p><strong>Convenient:<\/strong><strong>\u00a0<\/strong>\u00a0Air bags can\u00a0move structure strightly in line or steer structure to anywhere.<\/p>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/0dacfb6655294dc679cc228ac6789541.jpeg\" alt=\"Move Oil tank with marine air bags \" width=\"335\" height=\"200\" title=\"\"><figcaption class=\"wp-caption-text\">Transfer oiltank with pneumatic rollers<\/figcaption><\/figure>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/fa450d6f716d4811639310fddde149fb.jpeg\" alt=\"Move caisson onto floating dock with airbags\" width=\"335\" height=\"200\" title=\"\"><figcaption class=\"wp-caption-text\">Transfer caissoon onto submersible barge<\/figcaption><\/figure>\n<p><strong>\u00a0 \u00a0<\/strong><strong>\u00a0 \u00a0 \u00a0 \u00a0<\/strong><em>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/em><\/p>\n<p><strong>Facilities of airbag heavy lifting and transfer<\/strong><\/p>\n<p>Similiar to\u00a0ship launching and docking facilities, the main equipments include winches, airbags and air compressors.<\/p>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/9e18c8c14ac49a6d6d85886871db64c2.jpeg\" alt=\"Winch deployed in airbag heavy lifting project\" width=\"335\" height=\"446\" title=\"\"><figcaption class=\"wp-caption-text\">\u00a0Winches for caisson moving\/transfer\u00a0<\/figcaption><\/figure>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/b7ad02a716aa6c901c6e041c59ae5bf6.jpeg\" alt=\"\u00a0 \u00a0 Marine airbags for caisson transfer\" width=\"335\" height=\"446\" title=\"\"><figcaption class=\"wp-caption-text\">\u00a0 \u00a0 Marine airbags for caisson transfer<\/figcaption><\/figure>\n<p><em>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/em><\/p>\n<p><strong>Lift and move Caissons with\u00a0airbags<\/strong><\/p>\n<p><em><strong>Caisson lift with airbags<\/strong><\/em><\/p>\n<p>To apply airbag\u00a0lifting technique people\u00a0need to reserve rooms for placing deflated airbags when fabricate caissons. Generally there are two ways to do it.<\/p>\n<p><u>Trough Method<\/u><\/p>\n<p>Trough method is labor saving and suits for fabricating caissons in scale.Those concrete troughs measured by 1.5-2.0 meters wide and 30-40 cm deep that can hold\u00a0one deflated airbag.\u00a0Once caisson is ready\u00a0to move,\u00a0 marine airbags\u00a0will be placed into the troughs and pumped to lift caissons up. There will be a relay lifting\u00a0to enable airbag can\u00a0roll on the flat ground,\u00a0when caisson is lifted\u00a0up\u00a030 cm high from ground, relay\u00a0airbags will be inserted. Those relay airbags on ground will\u00a0take over\u00a0caisson and troughs will be\u00a0coverd with cap, then the caisson is ready for transfer.<\/p>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/bb28e31f1cd80d39fde40bfb3defa99f.jpeg\" alt=\"Concrete channels built on caisson fabrication site\" width=\"335\" height=\"200\" title=\"\"><figcaption class=\"wp-caption-text\">Concrete channels built on caisson fabrication site<\/figcaption><\/figure>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/0dcdedbdeac7683f12fe85d1a4b9d2b0.jpeg\" alt=\"\u00a0Insert airbags into trough for caisson lift\u00a0\" width=\"335\" height=\"200\" title=\"\"><figcaption class=\"wp-caption-text\">\u00a0Insert airbags into trough for caisson lift\u00a0<\/figcaption><\/figure>\n<p><em>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/em><\/p>\n<p><u>Beam\/block Method<\/u><\/p>\n<p>Block method is simple compare with trough method and suits for\u00a0temporary caisson building and transportation. The blocks can be concrete beams or H type girders whose\u00a0height\u00a0should\u00a0be 30-50 centimeters. The space of blocks is decided by airbags&#8217; diameters, generally should be not less than 2 meters and stuffed with wet sands during caisson fabrication period.<\/p>\n<p>When caisson is ready, stuffed sands between beams will be flushed out by high pressure water to make rooms for\u00a0lifting airbags.\u00a0When caisson\u00a0is lifted from beams by airbags,\u00a0beams will be removed.<\/p>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/bca21cdaf367c4d9cdeb111b77c1a67c.jpeg\" alt=\"Fabricate caisson on concrete beams\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\" width=\"335\" height=\"200\" title=\"\"><figcaption class=\"wp-caption-text\">Fabricate caisson on concrete beams\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/figcaption><\/figure>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/fd43174fe121d1fe2a9c4de4d94a45e1.jpeg\" alt=\"\u00a0Insert airbags between support beams\" width=\"335\" height=\"200\" title=\"\"><figcaption class=\"wp-caption-text\">\u00a0Insert airbags between support beams<\/figcaption><\/figure>\n<p><em>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/em><\/p>\n<p><em>Reference project:\u00a0LPG Tank Lifting with airbags<\/em><\/p>\n<p><em><strong>Transfer Caisson with Airbags<\/strong><\/em><\/p>\n<p>Generally caissons will be\u00a0fabricated in more than\u00a0one rows, some caissons will need to be moved\u00a0transversely to the transport passage\u00a0first. Still there will be a relay lifting, once caisson is moved to the passage,\u00a0solid blocks will be placed to support caisson. Then airbags will be deflated, removed, then placed again with a 90 degree direction turn.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/a787b272155c9ca12fe5ec71cf8193f8.jpeg\" alt=\"Heavy lifting and transfer airbags&#038;balloons\" width=\"335\" height=\"200\" title=\"\">\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/3a910651f10df278236db09c45576866.jpeg\" alt=\"Heavy lifting and transfer airbags&#038;balloons\" width=\"335\" height=\"200\" title=\"\"><\/p>\n<p>Winches are employed in the caisson transport project, one is to offer pulling forward force, another is designed to hold the\u00a0caisson. The\u00a0two winches will be operated in coordinated manner,\u00a0one pulls another releases,\u00a0one stops another stops also.\u00a0Considering the move stability the working heights of airbags is generally between 40-50 centimeters.<\/p>\n<p>To\u00a0float caissons, people\u00a0usually move caissons aboard semi-submersible barge or floating dry dock for launching.\u00a0See\u00a0airbag caisson transport\u00a0calculation\u00a0to know the operation details.<\/p>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/4865c17ec315fd458710792088e3e2d2.jpeg\" alt=\"Use winches from floating dock as the pulling force\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\" width=\"335\" height=\"446\" title=\"\"><figcaption class=\"wp-caption-text\">Use winches from floating dock as the pulling force\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/figcaption><\/figure>\n<figure style=\"width: 335px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/859d709242a45d055975f1e8c34a7554.jpeg\" alt=\"\u00a0 \u00a0Restraint winch on the shore\" width=\"335\" height=\"446\" title=\"\"><figcaption class=\"wp-caption-text\">\u00a0 \u00a0Restraint winch on the shore<\/figcaption><\/figure>\n<p><em>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/em><\/p>\n<p><em>Reference project:\u00a0Caisson transfer\u00a0with airbags\u00a0in Tieshan port<\/em><\/p>\n<p><strong><em>Launch\u00a0Caisson drectly with Airbags<\/em><\/strong><\/p>\n<p>Caissons may be directly launched\u00a0into water\u00a0with\u00a0marine airbags if there are suitable conditions, usually high tide difference will be essential. People will\u00a0move caisson to the sea in low tide then wait for high tide to float caissons. Marine airbags are often used as floating assistant to float caisson in high tide time.<\/p>\n<p>Also with\u00a0good designed launch ramp and water condition, concrete blocks can be launch with airbags like the steel vessels. The bending moment should be strictly limited during the launch to prevent any possible damage of blocks.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/9f2f1f8f40e4982492d2b728fd98fbb4.jpeg\" alt=\"Heavy lifting and transfer airbags&#038;balloons\" width=\"335\" height=\"200\" title=\"\">\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/replace\/78b79512a0525600c35c3016c3859e4b.jpeg\" alt=\"Heavy lifting and transfer airbags&#038;balloons\" width=\"335\" height=\"200\" title=\"\"><\/p>\n<p><em>Reference project:\u00a0Launches 1400\u00a0T pumphouse with airbags\u00a0<\/em><\/p>\n<p><strong>Working efficiency of airbag caisson transfer<\/strong><\/p>\n<p>The caisson moving speed of airbag transfer system is about one meter per minute. Comparing with trolley\u00a0transfer\u00a0, airbag heavy move\u00a0is slow. One eight people\u00a0group can transfer or launch three caissons in two days\u00a0that can satisfy\u00a0most demands of the project.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Evergreen Maritime heavy lifting\u00a0 and transfer airbag&#8217; solutions are cost effective and flexible. This technique needs only compacted ground and minimum facilities that is specially suitable for temporary heavy lift and transfer projects.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[273,130,392],"class_list":["post-4265","post","type-post","status-publish","format-standard","category-technical-article","tag-balloons","tag-heavy-lifting","tag-transfer-airbags"],"_links":{"self":[{"href":"https:\/\/en.qingdaoyongtai.com\/index.php?rest_route=\/wp\/v2\/posts\/4265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/en.qingdaoyongtai.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/en.qingdaoyongtai.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/en.qingdaoyongtai.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/en.qingdaoyongtai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4265"}],"version-history":[{"count":5,"href":"https:\/\/en.qingdaoyongtai.com\/index.php?rest_route=\/wp\/v2\/posts\/4265\/revisions"}],"predecessor-version":[{"id":4286,"href":"https:\/\/en.qingdaoyongtai.com\/index.php?rest_route=\/wp\/v2\/posts\/4265\/revisions\/4286"}],"wp:attachment":[{"href":"https:\/\/en.qingdaoyongtai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/en.qingdaoyongtai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/en.qingdaoyongtai.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}