HUN Chapter 112: Construction Method for Permafrost Foundation

Lin Yu'an immediately took action, putting on his Arcteryx down parka and starting up his Zongshen three-wheeler.

Stan mounted his snowmobile, while David and Mike sat in the cargo bed, experiencing their first ride in this vehicle from China.

The group formed an unusual convoy and drove toward the depths of Wiseman town.

Old George's log cabin was larger and tidier than Stan's, with a well-maintained vintage Ford pickup parked in the yard.

On the other side of the yard, under a huge tarp, the outline of a large machine was faintly visible.

An old man with silver hair but still robust physique was splitting wood in the yard, this was Old George.

"Hey, George! I brought a new neighbor to meet you!" Stan shouted from far away.

Old George stopped his work, straightened up, and scrutinized Lin Yu'an getting down from the three-wheeler with sharp eyes.

"Stan, is this the Chinese kid you mentioned?"

Old George's voice was loud with a slight Texas accent, obviously he had also moved here from the mainland United States.

"Hello, Mr. George, you can call me Lin or Hermann." Lin Yu'an stepped forward proactively, extending his hand.

Old George shook hands with him, with quite a firm grip.

"Just call me George. I heard from Stan that you're planning to build a big house on that lousy land by the river?"

"Yes, sir, just getting ready to start." Lin Yu'an smiled and didn't immediately bring up borrowing equipment.

He turned around and took out two items from a waterproof box in the back of his Zongshen three-wheeler.

They were an elegantly packaged pack of "Zhonghua" cigarettes and a bottle of Feitian Moutai liquor.

"Mr. George, for this first visit, these are small gifts I brought from China. I hope you'll like them." He handed over the cigarettes and liquor.

Old George raised an eyebrow, a flash of surprise and curiosity in his eyes.

He took the heavy bottle of Moutai and examined the Chinese characters he couldn't read at all, then picked up the cigarette pack, attracted by the bright red color and design.

He smiled. This direct goodwill was somewhat unexpected but not unwelcome.

"Ha, gifts from China? Alright, I like your style, bringing gifts when you visit. Come in."

He didn't refuse, directly accepting the gifts, then turned to lead them toward his log cabin.

Stan showed a knowing smile on the side.

Entering Old George's warm log cabin, the fireplace was burning brightly.

Old George generously brought out five thick glass tumblers and opened a bottle of his treasured bourbon whiskey.

Lin Yu'an opened the cap of the Moutai bottle, and a complex, mellow sauce aroma instantly filled the air.

Old George's nose twitched as he leaned in to smell, showing an interested expression on his face.

The five men shared drinks, chatting from hunting to fishing, from the hard days working in oil fields when young to amusing stories from the Wiseman community.

Lin Yu'an didn't rush to get to the point, but as a newcomer to the community, shared his experiences and listened to the stories of the two old tough guys.

After several strong drinks, the atmosphere became warm and harmonious.

Old George developed a strong interest in this steady, polite Chinese young man who could hold his liquor.

Finally, he took the initiative to speak, "Alright, kid, let's talk business. Stan says you've run into trouble? Related to that big house of yours?"

Lin Yu'an knew the time had come to discuss serious matters.

He nodded and said sincerely, "Yes, George. I'm currently facing two major difficulties."

"The first difficulty is timber processing. I want to mill the logs into building materials with flat tops and bottoms, but I lack a portable band saw."

"The second difficulty, and the more critical one, is driving foundation piles in permafrost. I'd like to learn more about local solutions."

"I know you're an expert in this field with over twenty years of rich experience, so I'd like to consult with you on how to build a solid foundation in permafrost."

Hearing this, Old George's face showed a truly heartfelt proud smile.

Lin Yu'an continued, "Then Stan told me you have the best portable band saw in town."

"So I hope to get your help and rent your band saw for a period. Of course, I'll pay a rental fee that satisfies you."

After listening, Old George sipped his drink and didn't answer immediately.

After finishing that sip, Old George laughed heartily, "You've asked the right person, kid. Alright, pour me another cup of that... whatever you call that stuff!"

"After this drink, I'll take you to see my baby and have a good chat about how to deal with this damn permafrost!"

In Old George's log cabin, the drinking was in full swing.

As the conversation deepened, Old George's face frequently showed genuine smiles.

It was the kind of smile that experienced veterans have when they meet a worthy junior.

George drained the remaining bourbon in his glass with satisfaction, letting out a contented sigh as ice clinked against the glass.

Then he fixed those still sharp eyes on Lin Yu'an and said, "Kid, let's talk about this damn permafrost."

Old George leaned back in his chair, the old leather sofa creaking in complaint.

He crossed his arms, and his entire demeanor instantly switched from a jovial drinking buddy to a meticulous senior engineer.

"Since you have a bachelor's degree in mechanical engineering, tell me, in a place like Wiseman, what's the average depth of seasonal active permafrost layer?"

"Don't give me some rough numbers you found online. I want depths that can be used in engineering with safety factors considered."

This question was very professional, directly hitting the core of the problem.

David immediately perked up, signaling Mike to focus the camera on the two men, on that table occupied by whiskey and maps.

He instantly realized this scene was no longer simple neighborly chat.

It would be a collision of knowledge and experience, the kind of content that gives viewers satisfaction! The premium content the show needed most!

Lin Yu'an didn't hesitate for a moment. He didn't even need to recall, those data seemed already carved in his mind.

He answered steadily, "According to the geological report I found from the U.S. Geological Survey for the Koyukuk River basin, combined with past meteorological data models."

"The active permafrost layer in this area has an annual average thaw depth between 1.5 to 2 meters."

"But that's the average. In some south-facing slopes affected by river moisture, or areas with sparse vegetation and more abundant summer sunlight, maximum thaw depth might reach 2.5 meters."

"So for absolute safety, any permanent foundation pile bottom must be driven to at least 3 meters depth to effectively anchor in the stable, reliable permafrost layer below."

"Good answer, I can see you've done your homework."

Old George's eyes lit up as he raised his glass for another sip of whiskey.

He hadn't expected Lin Yu'an's homework to be so thorough. Clearly, he was seriously treating the matter of settling in Alaska.

Old George threw out the second question, "So facing this situation, what do you think is the best foundation solution?"

"Many contractors like to dig straight through the permafrost layer and pour a huge, thick concrete foundation. What do you think?"

"No, that would be a disaster. Deep excavation would completely destroy the thermal balance of the permafrost layer below."

Lin Yu'an shook his head, his tone very certain in rejecting this seemingly direct solution.

"Come summer, external heat would continuously conduct down through the massive concrete foundation acting as a thermal conductor, causing irreversible melting of permafrost around the foundation!"

Then he picked up a pencil from the table and quickly drew a clear structural sketch on paper.

This action excited both David and Mike, and the camera immediately gave a close-up.

"I believe the best solution should be elevated independent pile foundations, that is, raised pile foundations."

He pointed to the sketch and explained, "Drilling should be done at each load-bearing point, such as the four corners of the house and intersections of load-bearing walls, using spiral drilling equipment."

"Based on the estimated total weight of this house and local geological conditions, this anchor depth must reach at least 4 to 5 meters."

"This provides sufficient frost grip to resist house settlement and tilting."

"Then on top of these concrete piles, use adjustable-height steel connectors to establish a platform at least half a meter above ground."

"Then build the entire cabin's floor framework on this completely elevated platform."

He drew air circulation arrows on the paper, "This way, the house is completely separated from the ground, and cold air can circulate freely under the house."

"It neither transfers internal house heat to the ground, causing permafrost melting, nor is affected by frost heave forces from surface frozen soil in winter."

After hearing Lin Yu'an's clear and logical exposition, the scrutiny in Old George's eyes completely turned to appreciation.

"You kid, you really know something."

"You're completely right, more knowledgeable than many contractors who come here and only know how to follow blueprints."

"But..."

"Theory doesn't solve hands-on problems. Alaska's summer looks beautiful, but for concrete, it has its own troubles."

"The polar day here lasts two months, with daily sunlight exceeding 20 hours. Sometimes temperature rises quickly. How do you prevent concrete from setting too fast and developing shrinkage cracks?"

Lin Yu'an thought for a moment, "The concrete surface can be covered immediately after pouring, such as with plastic film."

"And after initial setting, continue spraying water for moist curing, keeping the surface wet to slow water evaporation."

"But regarding at what wind speed and temperature to start spraying, and the frequency of spraying, I indeed lack local practical experience. This is exactly what I most want to consult with you about."

"Very good, kid, at least you know to maintain moisture."

Lin Yu'an's humble yet confident attitude, demonstrating theoretical knowledge while honestly acknowledging practical shortcomings, completely won Old George's respect.

In America, especially in places like Alaska, people respect experts, but they respect pragmatists who dare to admit what they don't know and humbly seek guidance even more.

"Hahaha!" Old George burst into hearty laughter again.

He stood up and patted Lin Yu'an's shoulder forcefully, the impact so strong that Lin Yu'an could feel the sincerity.

"Buddy, you're great! You've done your homework. In Alaska, what we fear most are know-it-all idiots who only get themselves killed. You're excellent!"

He turned to Stan, "Stan, this time you brought an interesting guy."

"Come! I'll show you my baby."

Old George led everyone out of the warm log cabin to the huge tarp on the other side of the yard. He untied the ropes and pulled the tarp aside with one motion.

A Woodland Mills HM126 portable band saw, painted orange and black and appearing extremely well-maintained, appeared before everyone.

Its track was nearly eight meters long, assembled from several two-meter standard sections, with various sizes of band saw blades, both new and used, neatly hanging nearby.

Not far away, there was also a small concrete mixer!

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